US2003008849A1PendingUtilityA1

Acetylenic alpha -amino acid-based sulfonamide hydroxamic acid tace inhibitors

Priority: Jan 27, 1999Filed: Dec 27, 2000Published: Jan 9, 2003
Est. expiryJan 27, 2019(expired)· nominal 20-yr term from priority
A61K 31/5375C07D 279/12C07D 309/12A61K 31/54C07C 2601/04C07F 9/36C07D 279/10C07D 213/68C07C 311/29
56
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Claims

Abstract

Compounds of the formula: are useful in treating disease conditions mediated by TNF-α, such as rheumatoid arthritis, osteoarthritis, sepsis, AIDS, ulcerative colitis, multiple sclerosis, Crohn's disease and degenerative cartilage loss.

Claims

exact text as granted — not AI-modified
What is claimed:  
     
         1 . Compounds having having the formula:  
       
         
           
           
               
               
           
         
       
       wherein: 
 X is SO 2  or —P(O)—R 10 ;  
 Y is aryl or heteroaryl, with the proviso that X and Z may not be bonded to adjacent atoms of Y;  
 Z is O, NH, CH or S;  
 R 1  is hydrogen, aryl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms;  
 R 2  is hydrogen, aryl, aralkyl, heteroaryl, heteroaralkyl, cycloalkyl of 3-6 carbon atoms, C 4 -C 8  cycloheteroalkyl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms;  
 or R 1  and R 2 , together with the atom to which they are attached, may form a ring wherein R 1  and R 2  represent a divalent moiety of the formula:  
                     
 wherein  
 Q=a carbon-carbon single or double bond, O, S, SO, SO2, —N—R 11 , or —CONR 14 ;  
 m=1-3;  
 r=1 or 2, with the proviso that when Q is a bond, r is equal to 2;  
 R 3  is hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, C4-C8 cycloheteroalkyl, aralkyl, or heteroaralkyl;  
 or R 1  and R 3 , together with the atoms to which they are attached, may form a 5 to 8 membered ring wherein R 1  and R 3  represent divalent moieties of the formulae:  
                     
 wherein Q and m are as defined above;  
 A is aryl or heteroaryl;  
 s is 0-3;  
 u is 1-4;  
 R 4  and R 5  are each, independently, hydrogen or alkyl of 1-6 carbon atoms, —CN, or —CCH;  
 R 6  is hydrogen, aryl, heteroaryl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, or -C 5 -C 8 -cycloheteroalkyl;  
 R 8  and R 9  are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, aralkyl, heteroaryl, heteroaralkyl, or —C 4 -C 8 -cycloheteroalkyl;  
 R 10  is alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl or heteroaryl;  
 R 11  is hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl, —S(O) n R 8 , —COOR 8 , —CONR 8 R 9 , —SO 2 NR 8 R 9  or —COR 8 ;  
 R 12  and R 13  are independently selected from H, —OR 8 , —NR 8 R 9 , alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl, —COOR 8 ; —CONR 8 R 9 ; or R 12 and R 13 together form a —C3-C6-cycloalkyl of 3-6 carbon atoms or a —C 5 -C 8 -cycloheteroalkyl ring; or R 12  and R 13 , together with the carbon to which they are attached, form a carbonyl group;  
 with the proviso that R 10  and R 12  or R 11  and R 12  may form a cycloheteroalkyl ring when they are attached to adjacent atoms;  
 R 14  is hydrogen, aryl, heteroaryl, alkyl of 1-6 carbon atoms or cycloalkyl of 3-6 carbon atoms;  
 and n is 0-2;  
 or a pharmaceutically acceptable salt thereof.  
 
     
     
         2 . A compound according to  claim 1  wherein Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, or a pharmaceutically acceptable salt thereof.  
     
     
         3 . A compound according to  claim 1  wherein Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, and X is SO 2 , or a pharmaceutically acceptable salt thereof.  
     
     
         4 . A compound according to  claim 1  wherein Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, X is SO 2 , and Z is oxygen, or a pharmaceutically acceptable salt thereof.  
     
     
         5 . A compound according to  claim 1  wherein Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, X is SO 2 , Z is oxygen and R 4  and R 5  are hydrogen, or a pharmaceutically acceptable salt thereof.  
     
     
         6 . A compound according to  claim 1  wherein Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, X is SO 2 , Z is oxygen, R 4  and R 5  are hydrogen, and R 6  is —CHOH or methyl, or a pharmaceutically acceptable salt thereof.  
     
     
         7 . A compound according to  claim 1  wherein R 1  and R 3 , together with the atoms to which they are attached, form a piperazine, piperidine, tetrahydroisoquinoline, morpholine, thiomorpholine, or diazepine ring.  
     
     
         8 . A compound according to  claim 7  wherein Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, X is SO 2 , and Z is oxygen, or a pharmaceutically acceptable salt thereof.  
     
     
         9 . A compound according to  claim 8  wherein R 2  is hydrogen such that structure B has the absolute stereochemistry shown below, or a pharmaceutically acceptable salt thereof.  
       
         
           
           
               
               
           
         
       
       or a pharmaceutically acceptable salt thereof.  
     
     
         10 . A compound according to  claim 1  wherein R 1  is hydrogen, such that this compound has the D-configuration, as shown below:  
       
         
           
           
               
               
           
         
       
     
     
         11 . A compound according to  claim 10  wherein R 3  is hydrogen, or a pharmaceutically acceptable salt thereof.  
     
     
         12 . A compound according to  claim 10  wherein R 3  is hydrogen, Y is a phenyl ring substituted at the 1- and 4-positions by X and Z, respectively, X is SO 2 , and Z is oxygen, or a pharmaceutically acceptable salt thereof.  
     
     
         13 . A compound according to  claim 1  which is selected from the group consisting of: 
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-methyl-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-methyl-amino]-N-hydroxy-acetamide;  
 N-Hydroxy-2-[(4-methoxy-benzenesulfonyl)-methyl-amino]-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-pyridin-3-ylmethyl-amino]-N-hydroxy-acetamide hydrochloride;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-acetamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-3-methyl-butyramide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-propionamide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-pyridin-3-ylmethyl-amino]-N-hydroxy-propionamide hydrochloride;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-2-methyl-propionamide;  
 4-(4-But-2-ynyloxy-benzenesulfonyl)-2,2-dimethyl-thiomorpholine-3-carboxylic acid hydroxyamide;  
 4-(4-Hept-2-ynyloxy-benzenesulfonyl)-2,2-dimethyl-thiomorpholine-3-carboxylic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonyl)-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid hydroxyamide;  
 4-Benzoyl-1-(4-but-2-ynyloxy-benzenesulfonyl)-[1,4]diazepane-2-carboxylic acid hydroxyamide;  
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-methyl-piperazine-2-carboxylic acid hydroxyamide hydrochloride;  
 4-[4-(4-Hydroxy-but-2-ynyloxy)-benzenesulfonyl]-2,2-dimethyl-thiomorpholine-3-carboxylic acid hydroxyamide;  
 4-(4-But-2-ynyloxy-benzenesulfonyl)-3-hydroxycarbamoyl-piperazine-1-carboxylic acid tert-butyl ester;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-2-methyl-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-5-guanidino-pentanoic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-5-(4-methylbenzenesulfonyl-guanidino)-pentanoic acid hydroxyamide;  
 3-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-succinamic acid cyclohexyl ester;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-3-cyclohexyl-N-hydroxy-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-2-cyclohexyl-N-hydroxy-acetamide;  
 3-tert-Butylsulfanyl-2-(4-but-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-3-(4-methoxy-benzylsulfanyl)-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N′-hydroxy-succinamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-3-cyclohexyl-N-hydroxy-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-2-cyclohexyl-N-hydroxy-acetamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-4-methyl-pentanoic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-4-methylsulfanyl-butyramide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-3-phenyl-propionamide 1-(4-But-2-ynyloxy-benzenesulfonyl)-pyrrolidine-2-carboxylic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-3-(1H-indo1-3-yl)-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-3-(4-hydroxy-phenyl)-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-3-methyl-butyramide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-4-methyl-pentanoic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-6-(2-chloro-benzylamino)-hexanoic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-hexanoic acid hydroxyamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-2-phenyl-acetamide;  
 3-Benzyloxy-2-(4-but-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-propionamide;  
 2-(4-But-2-ynyloxy-benzenesulfonylamino)-N-hydroxy-acetamide;  
 (2R,3S)-2-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-methylpentanamide;  
 (2R)-2-({[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-3, 3-dimethylbutanamide;  
 (2S)-2-[(4-But-2-ynyloxy-benzenesulfonyl)-methyl-amino]-N-hydroxy-propionamide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-ethyl-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(2-propynyl)amino]-N-hydroxy-3-methylbutanamide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-propyl-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-(3-phenyl-propyl)-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-cyclopropylmethyl-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-isobutyl-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-pyridin-3-ylmethyl-amino]-N-hydroxy-3-methyl-butyramide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-methyl-amino]-2-cyclohexyl-N-hydroxy-acetamide;  
 2-[(4-But-2-ynyloxy-benzenesulfonyl)-pyridin-3-ylmethyl-amino]-2-cyclohexyl-N-hydroxy-acetamide;  
 2-{(4-But-2-ynyloxy-benzenesulfonyl)-[4-(2-piperidin-1-yl-ethoxy)-benzyl]-amino}-2-cyclohexyl-N-hydroxy-acetamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl}[3-(diethylamino)propyl]amino-N-hydroxy-3-methylbutanamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [3-(4-morpholinyl)propyl]amino)-N-hydroxy-3-methylbutanamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [3-(4-methyl-1-piperazinyl)propyl]-amino)-N-hydroxy-3-methylbutanamide hydrochloride;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [4-(diethylamino)butyl]amino -N-hydroxy-3-methylbutanamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [4-(4-methyl-1-piperazinyl)butyl]amino)-N-hydroxy-3-methylbutanamide;  
 2-[[[4-(2-Butynyloxy)phenyl]sulfonyl][2-(4-morpholinyl)ethyl]anino]-N-hydroxy-3-methylbutanamide;  
 2-[{[4-(But-2-ynyloxy)phenyl]sulfonyl)(2-morpholin-4-ylethyl)amino]-N-hydroxyacetamide hydrochloride;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [4-(4-methyl-1-piperazinyl)-2-butynyl]amino)-N-hydroxy-3-methylbutanamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [4-(diethylamino)-2-butynyl]amino}-N-hydroxy-3-methylbutanamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [4-(methylamino)-2-butynyl]amino}-N-hydroxy-3-methylbutanamide;  
 ((2R)-{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino)[(4-diethylamino)-cyclohexyl]-N-hydroxyethamide;  
 (2R)-{[4-(2-Butynyloxy)phenyl]sulfonyl}amino-N-hydroxy-2-(4-hydroxy-cyclohexyl)ethanamide;  
 (2R)-{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino)-N-hydroxy-2-(4-hydroxycyclohexyl)-ethanamide;  
 2-[(6-But-2-ynyloxy-pyridine-3-sulfonyl)-methyl-amino]-N-hydroxy-acetamide;  
 2-[[(4-{[3-(4-Chlorophenyl)-2-propynyl]oxy)phenyl)sulfonyl}(methyl)amino]-N-hydroxyacetamide;  
 N-Hydroxy-2-(methyl{[4-(prop-2-ynylamino)phenyl]sulfonyl}amino)acetamide;  
 2-[(4-But-2-ynylthiophenylsulfonyl)methylamino]-N-hydroxyacetamide;  
 2-{{[4-(2-Butynyloxy)phenyl]sulfonyl) [4-(4-methyl-1-piperazinyl)-2-yl}[4-(4-methyl-1-piperazinyl)-2-butynyl]amino}-N-hydroxypropanamide;  
 1-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-sulfonyl}(methyl)-amino]-N-hydroxycyclohexanecarboxamide;  
 1-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(3-pyridinylmethyl)amino]N-hydroxy-cyclohexanecarboxamide;  
 1-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxycyclo-hexanecarboxamide;  
 1-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxycyclo-pentanecarboxamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-[(2-(4-morpholinylethyl)sulfanyl]-butanamide hydrochloride;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-{[2-(4-methyl-1-ethyl-i -piperazinyl)ethyl]sulfanyl}butanamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-{[2-(diethylamino)ethyl]sulfanyl]butanamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-{[2-(1-pyrrolidinyl)ethyl]sulfanyl]butanamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-{[2-(1 H-imidazol-1-yl)ethyl]sulfanyl}butanamide;  
 Methyl 1-[2-({2-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)]amino]-3-(hydroxyamino)-1,1-dimethyl-3-oxopropyl) sulfanyl)ethyl]-2-pyrrolidinecarboxylate;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-[(2(4-morpholinylpropyl)sulfanyl]-butanamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-{[2(4-methyl-1-ethyl--piperazinyl)propyl]sulfanyl]butanamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)(methyl)amino]-N-hydroxy-3-methyl-3-{[2-(diethylamino)propyl]sulfanyl}butanamide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-methyl-3-methylsulfanyl-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-methyl-3-ethylsulfanyl-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-methyl-3-propylsulfanyl-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-methyl-3-(pyridin-3-ylmethylsulfanyl)-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-methyl-3-benzylsulfanyl-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-(methylsulfanyl)-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-methyl-amino]-N-hydroxy-3-(pyridin-3-ylmethylsulfanyl)-butyramide;  
 3-(Benzylthio)-2-[[[4-(2-butynyloxy)phenyl]sulfonyl]methylamino]-N-hydroxypropanamide;  
 3-(Benzylthio)-2-[[[4-(2-butynyloxy)phenyl]sulfonyl]pyridin-3-ylmethylamino]-N-hydroxypropanamide;  
 2-[[[4-(2-Butynyloxy-phenyl]sulfonyl]armino]-N-hydroxy-3-methyl-(3-methylthio)-butyramide;  
 2-[(4-But-2-ynyloxy-benenesulfonyl)-amino]-N-hydroxy-3-methyl-3-ethylsulfanyl-butyramide; 
 2-[(4-But-2-ynyloxy-benenesulfonyl)-amino]-N-hydroxy-3-methyl-3-propylsulfanyl-butyramide;  
 
 2-[(4-Butynyloxy-phenylsulfonyl)-amino]-N-hydroxy-3-methyl-[(3-pyridinylmethyl)thio]butyramide;  
 2-[(4-Butynyloxy-phenyl)sulfonyl)-amino]-N-hydroxy-3-methyl-(3-benzylsulfanyl) butyramide;  
 2-([4-(2-Butynyloxy)phenyl]sulfonyl}amino-N-hydroxy-3-{[(-methyl-1H-imidazol-2-yl]methylsulfanyl}butanamide;  
 2-({[4-(2-butynyloxy)phenyl]sulfonyl}amino-N-hydroxy-3-methyl-3-{[2-(4-morpholinyl) ethyl]sulfanyl)butanamide;  
 tert-Butyl{[2-([4-2-butynyloxy)phenyl]sulfonyl}amino)-3-(hydroxyamino)-1,1-dimethyl-3-oxopropyl]sulfanyl}acetate;  
 tert-Butyl{[2-({[4-2-butynyloxy)phenyl]sulfonyl}amino3-(hydroxyamino 1,1-dimethyl -3-oxopropyl]sulfanyl acetic acid, sodium salt;  
 2-[(4-Butynyloxy-phenylsulfonyl)amino]-N-hydroxy-3-(methylthio)propanamide;  
 2-[[4-Butynyloxy-phenylsulfonyl]-amino]-N-hydroxy-3-(benzylthio)propanamide;  
 2-[[4-Butynyloxy-phenylsulfonyl]-amino]-N-hydroxy-3-(pyridinylthio)propanamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-[(Z)-11-tetradecenylsulfanyl]propanamide;  
 (2S)-2-({[4-(2-Butynyloxy)phenyl]sulfonyl]amino)-N-hydroxy-3-[(3-hydroxypropyl)sulfanyl]-3-methylbutanamide;  
 (2S)-2-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-[(3-hydroxypropyl)sulfanyl]-3-propanamide;  
 (3S)-4-({[4-(2-Butynyloxy)phenyl]sulfonyl)-N-hydroxy-2,2-dimethyl-1,4-thiazepane-3-carboxamide;  
 (3S)-4-({[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-1,4-thiazepane-3-carboxamide;  
 (3S)-4-({[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-1,4-thiazepane-3-carboxamide 1,1-dioxide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-2-(4-hydroxyphenyl)acetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-2-[4-(2-propynyloxy)phenyl]acetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl) (methyl)amino]-N-hydroxy-2-(4-methoxyphenyl)acetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl) (methyl)amino]-N-hydroxy-2-{4-[2-(4-morpholinyl)ethoxy]phenyl}acetamide;  
 tert-Butyl 2-{4-[1-[{[4-(2-butynyloxy)phenyl]sulfonyl) (methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy}ethylcarbamate;  
 2-[4-(2-Aminoethoxy)phenyl]-2-[{[4-(2-butynyloxy)phenyl]sulfonyl}-(methyl)amino]-N-hydroxyacetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-{4-[2-(dimethylamino)-ethoxy]phenyl}-N-hydroxyacetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl) (methyl)amino]-N-hydroxy-2-{4-[2-(1-pyrrolidinyl)ethoxy]phenyl}acetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-hydroxy-2-{4-[2-(2-oxo-1-pyrrolidinyl)ethoxy]phenyl}acetamide;  
 tert-Butyl 4-(2-{4-[1-[{[4-(2-butynyloxy)phenyl]sulfonyl) (methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy}ethyl)-1-piperazinecarboxylate;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-hydroxy-2-{4-[2-(1-piperazinyl)ethoxy]phenyl) acetamide;  
 tert-Butyl 3-{4-[1-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy) propylcarbamate;  
 2-[4-(3-Aminopropoxy)phenyl]-2-[{[4-(2-butynyloxy)phenyl]sulfonyl}-(methyl)amino]-N-hydroxyacetamide;  
 tert-Butyl (3S)-3-t4-[(1R)-1-[{[4-(2-butynyloxy)phenyl]sulfonyl}-(methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy}-1-pyrrolidinecarboxylate;  
 (2R)-2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-hydroxy-2-{4-[(3S)-pyrrolidinyloxy]phenyl}ethanamide;  
 tert-Butyl (2-{4-[1-({[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino)-2-(hydroxyamino)-2-oxoethyl)phenoxy]ethyl)-(methyl)carbamate;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino)-N-hydroxy-2-{4-[2-(methylamino) ethoxy]phenyl}acetamide;  
 Ethyl 3-{4-[1-[{[4-(2-butynyloxy)phenyl]sulfonyl)(methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy}propylcarbamate;  
 2-{4-[3-(Acetylamino)propoxy]phenyl}-2-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-hydroxyacetamide;  
 Butyl 3-{4-[1-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy}propylcarbamate;  
 Benzyl 3-{4-[1-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-(hydroxyamino)-2-oxoethyl]phenoxy}propylcarbamate;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-hydroxy-2-(4-{3-[(methylsulfonyl)amino]propoxy}phenyl)acetamide;  
 2-(4-{3-[(Anilinocarbonyl)amino]propoxy}phenyl)-2-[{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino]-N-hydroxyacetamide;  
 tert-Butyl 2-{4-[(1R)-1-({[4-(2-butynyloxy)phenyl]sulfonyl]amino)-2-(hydroxyamino)-2-oxoethyl]phenoxy}ethylcarbamate;  
 (2R)-2-[4-(2-Aminoethoxy)phenyl]-2-({[4-(2-butynyloxy)phenyl]-sulfonyl}amino)-N-hydroxyethanamide;  
 (2R)-2-{4-[2-(Acetylamino)ethoxy]phenyl}-2-({[4-(2-butynyloxy)phenyl]-sulfonyl}amino)-N-hydroxyethanamide;  
 tert-Butyl 4-(2-{4-[1-({[4-(2-butynyloxy)phenyl]sulfonyl}amino)-2-(hydroxyamino)-2-oxoethyl)phenoxy]ethyl)-1-piperazinecarboxylate;  
 tert-Butyl 4-(2-{4-[1-({[4-(2-butynyloxy)phenyl]sulfonyl}amino)-2-(hydroxyamino)-2-oxoethyl)phenoxy]ethyl)-(methyl)carbamate;  
 2-{[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-2-{4-[2-(methylamino)ethoxy]phenyl))acetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-2-{4-[2-(1-pyrrolidinyl)ethoxy]phenyl}acetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-2-{4-[2-(4-morpholinyl)ethoxy]phenyl}acetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl amino) {4-[2-(dimethylamino)-ethoxy]phenyl}-N-hydroxyacetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-2-{4-[2-(4-methyl-1,3-thiazol-5-yl)ethoxy]phenyl}acetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl]amino)-N-hydroxy-2-(4-{2-[2-(2-thoxyethoxy)ethoxy]ethoxy}phenyl)acetamide;  
 2-({[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-2-{4-[2-(2-methoxyethoxy)ethoxy]phenyl) acetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl) (methyl)amino]-N-hydroxy-2-phenylacetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-2-(4-chlorophenyl)-N-hydroxyacetamide;  
 2-[{[4-(2-Butynyloxy)phenyl]sulfonyl}(methyl)amino]-5-[(4-chlorophenyl)-sulfanyl]-N-hydroxypentanamide; 
 1-(4-But-2-ynyloxy-benzenesulfonyl)-piperazine-2-carboxylic acid hydroxyamide;  
 
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-(morpholine-4-carbonyl)-piperazine-2-carboxylic acid hydroxyamide;  
 4-(4-But-2-ynyloxy-benzenesulfonyl)-piperazine-1,3-dicarboxylic acid 1-diethylamide 3-hydroxyamide;  
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-(pyrrolidine-1-carbonyl)-piperazine-2-carboxylic acid hydroxyamide;  
 4-(4-But-2-ynyloxy-benzenesulfonyl)-piperazine-1,3-dicarboxylic acid 1-diisopropylamide 3-hydroxyamide;  
 Benzyl 4-{[4-(2-butynyloxy)phenyl]sulfonyl}-3-[(hydroxyamino)carbonyl]-1-piperazinecarboxylate;  
 4-(4-But-2-ynyloxy-benzenesulfonyl)-piperazine-1,3-dicarboxylic acid 3-hydroxyamide 1-(methyl-phenyl-amide);  
 4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-3-hydroxy-N-1-(4-methoxyphenyl)-1,3-piperazinedicarboxamide;  
 4-([4-(2-Butynyloxy)phenyl]sulfonyl}-N-1-(4-fluorophenyl)-N-3-hydroxy-1,3-piperazinedicarboxamide;  
 4-{[4-(2-Butynyloxy)phenyl]sulfonyl)-N-I -(3, 5-dichlorophenyl)-N-3-hydroxy-1,3-piperazinedicarboxamide;  
 4-Acetyl-1-(4-but-2-ynyloxy-benzenesulfonyl)-piperazine-2-carboxylic acid hydroxyamide;  
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-propionyl-piperazine-2-carboxylic acid hydroxyamide;  
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-(thiophene-2-carbonyl)-piperazine-2-carboxylic acid hydroxyamide; 
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-methanesulfonyl-piperazine-2-carboxylic acid hydroxyamide;  
 
 4-(4-But-2-ynyloxy-benzenesulfonyl)-3-hydroxycarbamoyl-piperazine-1-carboxylic acid methyl ester;  
 {2-[4-(4-But-2-ynyloxy-benzenesulfonyl)-3-hydroxycarbamoyl-piperazin-1-yl]-2-oxo-ethyl}-carbamic acid tert-butyl ester;  
 4-Aminoacetyl-1-(4-but-2-ynyloxy-benzenesulfonyl)-piperazine-2-carboxylic acid hydroxyamide; 
 1-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-4-[(2,2,5-trimethyl-1,3-dioxan-5-yl)carbonyl]-2-piperazinecarboxamide;  
 
 1-{[4-(2-Butynyloxy)phenyl]sulfonyl]-N-hydroxy-4-[3-hydroxy-2-(hydroxymethyl)-2-methylpropanoyl-2-piperazinecarboxamide;  
 4-(4-Bromo-benzyl)-1-(4-but-2-ynyloxy-benzenesulfonyl)-piperazine-2-carboxylic acid hydroxyamide;  
 1-(4-But-2-ynyloxy-benzenesulfonyl)-4-pyridin-3-ylmethyl-piperazine-2-carboxylic acid hydroxyamide; 
 (3S)-({[4-(Z-Butynyloxy)phenyl]sulfonyl)-2,2-dimethyl-thiomorpholine-3-carboxylic acid hydroxyamide;  
 
 9-({[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-6-thia-9- azaspiro[4,5]decane-10-carboxamide;  
 9-({[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-1-thia-4- azaspiro[5,5]undecane-5-carboxamide;  
 4-({[4-(2-Butynyloxy)phenyl]sulfonyl)-2,2-diethyl-thiomorpholine-3-carboxylic acid hydroxyamide;  
 4-({[4-(2-Butynyloxy)phenyl]sulfonyl)N-hydroxy-thiomorpholine-3-carboxamide;  
 4-([4-(2-Butynyloxy)phenyl]sulfonyl)-N-hydroxy-3-morpholinecarboxamide;  
 9-Benzyl-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-N-hydroxy-1-thia-4,9-diazaspiro[5.5]undecane-5-carboxamide;  
 9-Methyl-4-{[4-(2-butynyloxy)phenyl]sulfonyl]-N-hydroxy-1-thia-4,9-diazaspiro[5.5]undecane-5-carboxamide;  
 N-Hydroxy-2,2-dimethyl-4-[(4-{[5-(tetrahydro-2H-pyran-2-yloxy)-2-pentynyl]oxy}phenyl)sulfonyl]-3-thiomorpholine carboxamide;  
 N-Hydroxy-4-({4-[(5-hydroxy-2-pentynyl)oxy]phenyl}sulfonyl)-2,2-dimethyl-3-thiomorpholine carboxamide;  
 tert-Butyl 5-[4-({3-[(hydroxyamino)carbonyl]-2,2-dimethyl-4-thiomorpholinyl}-sulfonyl)phenoxy]-3-pentynylcarbamate;  
 4-({4-[(5-Amino-2-pentynyl)oxy]phenyl}sulfonyl)-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide;  
 4-[(4-{[4-(Benzyloxy)-2-butynyl]oxy}phenyl)sulfonyl]-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide;  
 N-Hydroxy-2,2-dimethyl-4-[(4-{[6-(tetrahydro-2H-pyran-2-yloxy)-2-hexynyl]oxy}phenyl)sulfonyl]-3-thiomorpholine carboxamide;  
 N-Hydroxy-4-({4-[(6-hydroxy-2-hexynyl)oxy]phenyl}sulfonyl)-2,2-dimethyl-3-thiomorpholine carboxamide;  
 tert-Butyl 6-[4-({(3S)-3-[(hydroxyamino)carbonyl]-2,2-dimethylthiomorpholinyl}sulfonyl)phenoxy]-4-hexynylcarbamate;  
 (3S)-4-({4-[(6-Amino-2-hexynyl)oxy]phenyl) sulfonyl)-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide;  
 tert-Butyl 7-[4-({(3S)-3-[(hydroxyamino)carbonyl]-2,2-dimethylthiomorpholinyl}sulfonyl)phenoxy]-5-heptynylcarbamate;  
 (3S)-4-({4-[(7-Amino-2-heptynyl)oxy]phenyl}sulfonyl)-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide;  
 (3S)-N-Hydroxy-2,2-dimethyl-4-({4-[(3-phenyl-2-propynyl)oxy]-phenyl}sulfonyl)-3-thiomorpholine carboxamide;  
 (3S)-4-([4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide (1S)-oxide;  
 (3S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl]-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide (1R)-oxide;  
 (3S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide 1,1-dioxide;  
 (3-S)-N-Hydroxy-2,2-dimethyl-4-{[4-(2-propynyloxy)phenyl]sulfonyl}-3-thiomorpholine carboxamide;  
 (3S)-N-Hydroxy-2,2-dimethyl-4-{[4-(2-pentynyloxy)phenyl]sulfonyl}-3-thiomorpholine carboxamide;  
 (3S)-N-Hydroxy-4-({4-[(4-hydroxy-2-butynyl)oxy]phenyl}sulfonyl)-2,2-dimethyl-3-thiomorpholine carboxamide;  
 4-[4-({(3S)-3-[(Hydroxyamino)carbonyl]-2,2-dimethylthiomorpholinyl]-sulfonyl)phenoxy]-2-butynyl acetate;  
 (3S)-N-Hydroxy-4-({4-[(6-hydroxy-2,4-hexadiynyl)oxy]phenyl) sulfonyl)-2,2-dimethyl-3-thiomorpholine carboxamide;  
 (3S)-N-Hydroxy-2,2-dimethyl-4-{[4-(2,4-pentadiynyloxy)phenyl]sulfonyl}-3-thiomorpholine carboxamide;  
 (3S)-4-({4-[(4-Fluoro-2-butynyl)oxy]phenyl}sulfonyl)-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide;  
 4-({4-[(4-Amino-2-butynyl)oxy]phenyl]sulfonyl)-N-hydroxy-2,2-dimethyl-3-thiomorpholine carboxamide;  
 tert-Butyl 4-[4-({3-[(hydroxyamino)carbonyl]-2,2-dimethyl-4-thiomorpholinyl]sulfonyl)phenoxy]-2-butynylcarbamate;  
 tert-Butyl 4-[4-({3-[(hydroxyamino)carbonyl]-2,2-dimethyl-4-thiomorpholinyl}sulfonyl)phenoxy]-2-butynyl(methyl)carbamate;  
 7-[4-({(3S)-3-[(Hydroxyamino)carbonyl]-2,2-dimethylthiomorpholinyl}-sulfonyl)phenoxy]-5-heptynyl acetate;  
 (3S)-N-Hydroxy-4-({4-[(7-hydroxy-2-heptynyl)oxy]phenyl}sulfonyl)-2,2-dimethyl-3-thiomorpholinecarboxamide;  
 (3S,5S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2,5-trimethyl-3-thiomorpholinecarboxamide;  
 (3S,5R)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2,5-trimethyl-3-thiomorpholinecarboxamide;  
 (3S, 6S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2,6-trimethyl-3-thiomorpholinecarboxamide;  
 tert-Butyl{(2R,5S)-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-5-[(hydroxyamino)carbonyl]-6,6-dimethylthiomorpholinyl}methylcarbamate;  
 tert-Butyl ((2S,5S)-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-5-[(hydroxyamino)carbonyl]-6,6-dimethylthiomorpholinyl}methylcarbamate;  
 (3S,6R)-Trans-6-(aminomethyl)-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimethyl-3-thiomorpholinecarboxamide hydrochloride;  
 (3S,6S)-Cis-6-(aminomethyl)-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimethyl-3-thiomorpholinecarboxamide hydrochloride;  
 tert-Butyl{(2S,5S)-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-5-[(hydroxyamino)carbonyl]-6,6-dimethylthiomorpholinyl acetate;  
 {(2S,5S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-5-[(hydroxyamino)carbonyl]-6,6-dimethylthiomorpholinyl]acetic acid;  
 (3S,6S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-6-[2-(hydroxyamino)-2-oxoethyl]-2,2-dimethyl-3-thiomorpholinecarboxamide;  
 (3S,6S)-6-(2-Amino-2-oxoethyl)-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimethyl-3-thiomorpholinecarboxamide;  
 (3S,6S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-6-[2-(dimethylamino)-2-oxoethyl]-N-hydroxy-2,2-dimethyl-3-thiomorpholinecarboxamide;  
 (3S, 6S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimethyl-6-[2-(4-morpholinyl)-2-oxoethyl]-3-thiomorpholinecarboxamide;  
 (3S,6S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-2,2-dimetbyl-6-[2-(4-methyl-1-piperazinyl)-2-oxoethyl]-3-thiomorpholinecarboxamide hydrochloride;  
 (3S, 6S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl -6-(2-[2-(dimethylamino)ethyl]-amino}-2-oxoethyl)-N-hydroxy-2,2-dimethyl-3-thiomorpholinecarboxamide;  
 Methyl (3S,6S)-6-{[(tert-butoxycarbonyl)amino]methyl}-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-2,2-dimethyl-3-thiomorpholinecarboxylate;  
 (4S)-3-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-5,5-dimethyl-1,3-thiazolidine-4-carboxamide;  
 tert-Butyl 4-({[4-(2-butynyloxy)phenyl]sulfonyl}amino)-4-[(hydroxyamino)carbonyl]-I -piperidinecarboxylate;  
 4-({[4-(2-Butynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-4-piperidinecarboxamide;  
 1-B enzoyl-4-{[4-(2-butynyloxy)phenyl]sulfonyl -N-hydroxy-1,4-diazepane-5-carboxamide;  
 1-Benzyl-4-{[4-(2-butynyloxy)phenyl]sulfonyl}-N-hydroxy-1,4-diazepane-5-carboxamide;  
 tert-Butyl 4-{[4-(2-butynyloxy)phenyl]sulfonyl}-5-[(hydroxyamino)carbonyl]-1,4-diazepane-1-carboxylate;  
 4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-1,4-diazepane-5-carboxamide;  
 4-{[4-(2-Butynyloxy)phenyl]sulfonyl)-N-hydroxy-1-methyl-1,4-diazepane-5-carboxamide;  
 4-{[4-(2-Butynyloxy)phenyl]sulfonyl}-N-hydroxy-1,4-thiazepine-5-carboxamide;  
 (2R)-5-(Acetylamino)-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypentanamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]thiophene-2-carboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-{[(ethylamino)carbonyl]amino}-N-hydroxypentanamide;  
 (2R)-5-[(Anilinocarbonyl)amino]-2-({[4-(but-2-ynyloxy)phenyl]-sulfonyl)amino)-N-hydroxypentanamide;  
 Octyl (4R)-4-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentylcarbamate;  
 4-Methoxyphenyl (4R)-4-({[4-(but-2-ynyloxy)phenyl]sulfonyl)amino)-5-(hydroxyamino)-5-oxopentylcarbamate;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-5-{[(diethylamino)-carbonyl]amino)-N-hydroxypentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-{[(methylanilino)carbonyl]amino)pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-{[(1-methyl-1H-imidazol-4-yl)sulfonyl]amino)pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-[(2-morpholin-4-ylacetyl)amino]pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-{[2-(4-methylpiperazin-1-yl)acetyl]amino]pentanamide;  
 (2R)-5-{[2-(Benzylamino)acetyl]amino)-2-({[4-(but-2-ynyloxy)phenyl]-sulfonyl)amino)-N-hydroxypentanamide;  
 (3S)-4-{[4-(2-Butynyloxy)phenyl]sulfonyl)-N-hydroxy-2,2-dimethyl-3,4-dihydro-2H-1,4-thiazine-3-carboxamide;  
 (2R)-2-({[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-[(imino {[(4-{[(4-methoxy-2,3,6-trimethylphenyl)sulfonyl]amino)methyl)amino]pentanamide;  
 (2R)-2-(4-But-2-ynyloxy-benzenesulfonylamino)-5-guanidino-pentanoic acid hydroxyamide;  
 (2R)-2-({[4-(2-Butynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-[(imino[(4-methylphenyl)sulfonyl]amino)methyl)amino]pentanamide;  
 (3R)-3-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-4-(hydroxyamino)-4-oxobutanoic acid;  
 (2S)-3-(tert-Butylthio)-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypropanamide;  
 (2S)-3-{[(Acetylamino)methyl]thio}-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypropanamide;  
 (2S)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-[(4-methylbenzyl)thio]propanamide;  
 (2S)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-[(4-methoxybenzyl)thio]propanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxypentanediamide; (4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl]amino)-5-(hydroxyamino)-5-oxopentanoic acid;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-4-phenylbutanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-3-(1H-imidazol-5-yl)propanamide;  
 (2R,4S)-1-{[4-(But-2-ynyloxy)phenyl]sulfonyl}-N,4-dihydroxypyrrolidine-2-carboxamide;  
 (2R)-6-Amino-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxyhexanamide;  
 Benzyl (5R)-5-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexylcarbamate;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-(1-naphthyl)propanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-(2-naphthyl)propanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxyhexanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypentanamide;  
 (2R)-5-Amino-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-3-(3,4-difluorophenyl)-N-hydroxypropanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-3-(4-fluorophenyl)-N-hydroxypropanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-3-(4-nitrophenyl)propanamide;  
 (2R)-1-[4-(But-2-ynyloxy)phenyl]sulfonyl}-N-hydroxypiperidine-2-carboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N,3-dihydroxypropanamide;  
 (2R)-3-(Benzyloxy)-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypropanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-3-thien-2-ylpropanamide;  
 (2R,3S)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N, 3-dihydroxybutanamide;  
 (2R,3S)-3-(Benzyloxy)-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl]amino)-N-hydroxybutanamide;  
 (4S)-3-{[4-(Bu-t-2-ynyloxy)phenyl]sulfonyl}-N-hydroxy-1,3-thiazolidine-4-carboxamide;  
 (3R)-2-{[4-(But-2-ynyloxy)phenyl]sulfonyl)-N-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxamide;  
 (2R)-3-[4-(Benzyloxy)phenyl]-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypropanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-2-phenylethanamide;  
 (2R)-5-(Acetylamino)-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypentanamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-1H-benzimidazole-5-carboxamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-5-(hydroxyamino)-5-oxopentyl]benzamide;  
 4-Bromo-N-[(4R)-4-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]benzamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(butyrylamino)-N-hydroxypentanamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-3-chlorothiophene-2-carboxamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-4-chlorobenzamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]cyclohexanecarboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-5-{[2-(3,4-dichlorophenyl)acetyl]amino}-N-hydroxypentanamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-2,5-dimethyl-3-furamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-3 ,5-dimethylisoxazole-4-carboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-5-[(3-phenylpropanoyl)amino]pentanamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]isonicotinamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]nicotinamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-2-methoxybenzamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-4-methoxybenzamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-5-{[2-(4-nitrophenyl)acetyl]amino}pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-5-[(2-phenylacetyl)amino]pentanamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-5-(hydroxyamino)-5-oxopentyl]quinoline-3-carboxamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]thiophene-3-carboxamide;  
 (E)-N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]-3-phenylprop-2-enamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-1H-benzimidazole-5-carboxamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]benzamide;  
 4-Bromo-N-[(5R)-5-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-6(hydroxyamino)-6-oxohexyl]benzamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-6-(hydroxyamino)-6-oxohexyl]-3-chlorothiophene-2-carboxamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-4-chlorobenzamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]cyclohexanecarboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-{[2-(3,4-dichlorophenyl)acetyl]amino}-N-hydroxyhexanamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-2,5-dimethyl-3-furamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-3, 5-dimethylisoxazole-4-carboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-6-[(3-phenylpropanoyl)amino]hexanamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl]amino)-6-(hydroxyamino)-6-oxohexyl]isonicotinamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-2-methoxybenzamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-4-methoxybenzamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-6-{[2-(4-nitrophenyl)acetyl]amino}hexanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-6-[(2-phenylacetyl)amino]hexanamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]quinoline-3-carboxamide;  
 N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]thiophene-3-carboxamide;  
 (E)-N-[(5R)-5-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-6-(hydroxyamino)-6-oxohexyl]-3-phenylprop-2-enamide;  
 (Z)-N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]octadec-9-enamide;  
 N-[(4R)-4-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentyl]thiophene-2-carboxamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-{[(ethylamino)carbonyl]amino}-N-hydroxypentanamide;  
 (2R)-5-[(Anilinocarbonyl)amino]-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxypentanamide;  
 Octyl (4R)-4-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentylcarbamate;  
 4-Methoxyphenyl (4R)-4-({[4-(but-2-ynyloxy)phenyl]sulfonyl}amino)-5-(hydroxyamino)-5-oxopentylcarbamate;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-5-{[(diethylamino)-carbonyl]amino}-N-hydroxypentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-5-{[(methylanilino)carbonyl]amino pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-5-{[(1-methyl-1H-imidazol-4-yl)sulfonyl]amino}pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl}amino)-N-hydroxy-5-[(2-morpholin-4-ylacetyl)amino]pentanamide;  
 (2R)-2-({[4-(But-2-ynyloxy)phenyl]sulfonyl)amino)-N-hydroxy-5-{[2-(4-methylpiperazin-1-yl)acetyl]amino)pentanamide; and  
 (2R)-5-{[2-(Benzylamino)acetyl]amino}-2-({[4-(but-2-ynyloxy)phenyl]sulfonyl)amino hydroxypentanamide;  
 or a pharmaceutical salt thereof.  
 
     
     
         14 . A compound of formula II, with the proviso that R 6  is not hydrogen and R 4 , R 5  and R 6  are as defined in  claim 1 .  
       
         
           
           
               
               
           
         
       
     
     
         15 . A compound of formula m, with the proviso that R 6  is not hydrogen wherein J is fluorine, bromine, chlorine, 1,2,4-triazolyl, benzotriazolyl or imidazol-yl, and R 4 , R 5  and R 6  are as defined in  claim 1 .  
       
         
           
           
               
               
           
         
       
     
     
         16 . A method of inhibiting pathological changes mediated by TNF-α converting enzyme (TACE) in a mammal in need thereof which comprises administering to said mammal a therapeutically effective amount of a compound having the formula  
       
         
           
           
               
               
           
         
       
       wherein: 
 X is SO 2  or —P(O)—R 10 ;  
 Y is aryl or heteroaryl, with the proviso that X and Z may not be bonded to adjacent atoms of Y;  
 Z is O, NH, CH or S;  
 R 1  is hydrogen, aryl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms;  
 R 2  is hydrogen, aryl, aralkyl, heteroaryl, heteroaralkyl, cycloalkyl of 3-6 carbon atoms, C 4 -C 8  cycloheteroalkyl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms;  
 or R 1  and R 2 , together with the atom to which they are attached, may form a ring wherein R 1  and R 2  represent a divalent moiety of the formula:  
                     
 wherein  
 Q=a carbon-carbon single or double bond, O, S, SO, SO2, —N—R 11 , or —CONR 14 ;  
 m=1-3;  
 r=1 or 2, with the proviso that when Q is a bond, r is equal to 2;  
 R 3  is hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, C4-C8 cycloheteroalkyl, aralkyl, or heteroaralkyl;  
 or R 1  and R 3 , together with the atoms to which they are attached, may form a 5 to 8 membered ring wherein R 1  and R 3  represent divalent moieties of the formulae:  
                     
 wherein Q and m are as defined above;  
 A is aryl or heteroaryl;  
 s is 0-3;  
 u is 1-4;  
 R 4  and R 5  are each, independently, hydrogen or alkyl of 1-6 carbon atoms, —CN, or —CCH;  
 R 6  is hydrogen, aryl, heteroaryl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, or —C 5 -C 8 -cycloheteroalkyl;  
 R 8  and R 9  are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, aralkyl, heteroaryl, heteroaralkyl, or —C4-C 8 -cycloheteroalkyl;  
 R 10  is alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl or heteroaryl;  
 R 11  is hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl, —S(O) n R 8 , —COOR 8 , —CONR 8 R 9 , —SO 2 NR 8 R 9  or —COR 8 ;  
 R 12  and R 13 are independently selected from H, —OR 8 , —NR 8 R 9 , alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl, —COOR 8 ; —CONR 8 R 9 ; or R 12  and R 13  together form a —C 3 -C 6 -cycloalkyl of 3-6 carbon atoms or a —C 5 -C 8 -cycloheteroalkyl ring; or R 12  and R 13 , together with the carbon to which they are attached, form a carbonyl group;  
 with the proviso that R 10  and R 12  or R 11  and R 12  may form a cycloheteroalkyl ring when they are attached to adjacent atoms;  
 R 14  is hydrogen, aryl, heteroaryl, alkyl of 1-6 carbon atoms or cycloalkyl of 3-6 carbon atoms;  
 and n is 0-2;  
 or a pharmaceutically acceptable salt thereof.  
 
     
     
         17 . The method according to  claim 16  wherein the condition treated is rheumatoid arthritis, graft rejection, cachexia, inflammation, fever, insulin resistance, septic shock, congestive heart failure, inflammatory disease of the central nervous system, inflammatory bowel disease or HIV infection.  
     
     
         18 . A pharmaceutical composition comprising a compound having the formula formula  
       
         
           
           
               
               
           
         
       
       wherein: 
 X is SO 2  or —P(O)—R 10 ;  
 Y is aryl or heteroaryl, with the proviso that X and Z may not be bonded to adjacent atoms of Y;  
 Z is O, NH, CH 2  or S;  
 R 1  is hydrogen, aryl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms;  
 R 2  is hydrogen, aryl, aralkyl, heteroaryl, heteroaralkyl, cycloalkyl of 3-6 carbon atoms, C 4 -C 8  cycloheteroalkyl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms;  
 or R 1  and R 2 , together with the atom to which they are attached, may form a ring wherein R 1  and R 2  represent a divalent moiety of the formula:  
                     
 wherein  
 Q=a carbon-carbon single or double bond, O, S, SO, SO2, —N—R 11 , or —CONR 14 ;  
 m=1-3;  
 r=1 or 2, with the proviso that when Q is a bond, r is equal to 2;  
 R 3  is hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, C4-C8 cycloheteroalkyl, aralkyl, or heteroaralkyl;  
 or R 1  and R 3 , together with the atoms to which they are attached, may form a 5 to 8 membered ring wherein R 1  and R 2  represent divalent moieties of the formulae:  
                     
 wherein Q and m are as defined above;  
 A is aryl or heteroaryl;  
 s is 0-3;  
 u is 1-4;  
 R 4  and R 5  are each, independently, hydrogen or alkyl of 1-6 carbon atoms, —CN, or —CCH;  
 R 6  is hydrogen, aryl, heteroaryl, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, or —C 5 -C 8 -cycloheteroalkyl;  
 R 8  and R 9  are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, aralkyl, heteroaryl, heteroaralkyl, or -C4-C 8 -cycloheteroalkyl;  
 R 10  is alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl or heteroaryl;  
 R 11  is hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl, —S(O) n R 8 , —COOR 8 , —CONR 8 R 9 , —SO 2 NR 8 R 9  or —COR 8 ;  
 R 12  and R 13  are independently selected from H, —OR 8 , —NR 8 R 9 , alkyl of 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl, —COOR 8 ; —CONR 8 R 9 ; or R 12 and R 13  together form a —C 3 -C 6 -cycloalkyl of 3-6 carbon atoms or a —C 5 -C 8 -cycloheteroalkyl ring; or R 12  and R 13 , together with the carbon to which they are attached, form a carbonyl group;  
 with the proviso that R 10  and R 12  or R 11  and R 12  may form a cycloheteroalkyl ring when they are attached to adjacent atoms;  
 R 14 is hydrogen, aryl, heteroaryl, alkyl of 1-6 carbon atoms or cycloalkyl of 3-6 carbon atoms;  
 and n is 0-2;  
 or a pharmaceutically acceptable salt thereof.

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