US2013196966A1PendingUtilityA1

Sphingosine 1 phosphate receptor modulators and methods of chiral synthesis

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Assignee: RECEPTOS INCPriority: Nov 13, 2009Filed: Jan 14, 2013Published: Aug 1, 2013
Est. expiryNov 13, 2029(~3.3 yrs left)· nominal 20-yr term from priority
A61P 37/06A61P 31/16A61P 43/00A61P 25/28A61P 29/00A61P 25/00A61P 1/04A61P 11/00A61P 1/00A61K 45/06C07D 271/06A61K 31/454A61K 31/5377A61K 31/4245C07D 263/32A61K 2300/00C07D 413/12C07D 413/10C07D 413/04C07B 2200/07
55
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Claims

Abstract

Compounds that selectively modulate the sphingosine 1 phosphate receptor are provided including compounds which modulate subtype 1 of the S1P receptor. Methods of chiral synthesis of such compounds are provided. Uses, methods of treatment or prevention and methods of preparing inventive compositions including inventive compounds are provided in connection with the treatment or prevention of diseases, malconditions, and disorders for which modulation of the sphingosine 1 phosphate receptor is medically indicated.

Claims

exact text as granted — not AI-modified
1 . A compound having the structure of Formula I-R or I-S or a pharmaceutically acceptable salt, ester, prodrug, homolog, hydrate or solvate thereof: 
       
         
           
           
               
               
           
         
       
       wherein
 X is —NR′R″ or —OR″′; 
 Y is —CN, —Cl, or —CF 3 ; 
 R′ is H, C 1-4  alkyl, n-hydroxy C 1-4  alkyl, —SO 2 —R 1 , or —CO—R 1 ; 
 R″ is H, —SO 2 —R 3 , C 1-4  alkyl optionally substituted with 1 or more R 2 , or a ring moiety optionally substituted with R 4  wherein such ring moiety is piperidinyl, cyclohexyl, morpholinyl, thiazolyl, pyrazolyl, pyrrolidinyl, imidazolyl, or phenyl; 
 or R′ and R″ taken together with the nitrogen atom to which they are bound form a 4, 5, or 6 membered saturated heterocyclic ring containing 0 or 1 additional heteroatoms where such additional heteroatom is O or N wherein such heterocycle is optionally singly or multiply substituted with substituents independently selected from the group consisting of —OH, oxo, —NH 2 , n-hydroxy-C 1-4  alkyl, —COOH, —(CH 2 ) m —COOH, —(CH 2 ) m —COOR 1 , —N(R 1 R 1 ), and —(CH 2 ) m —CO—N(R 5 R 5 ); 
 R″′ is H, C 1-4  alkyl, or —CO—R 1 ; 
 each R 1  is independently C 1-4  alkyl or H; 
 each R 2  is independently H, halo, OH, oxo, ═NH, NH 2 , —COOH, F, —NHR 1 , —N(R 5 R 5 ),—SO 2 —R 1 , —SO 2 —N(R 5 R 5 ), —N(R 1 )—SO 2 —R 1 , —COOR 1 , —OCO—R 1 , —CO—N(R 5 R 5 ), —N(R 1 )—COR 1 , C 1-3  alkyl, C 1-3  alkoxy, and a ring moiety optionally substituted with R 4  wherein such ring moiety is piperazinyl, piperidinyl, morpholinyl, pyrrolidinyl, pyrazolyl, imidazolyl, benzimidazolyl, azetidinyl, cyclobutinyl, or phenyl; 
 each R 3  is independently R 2 , C 1-4  alkyl, C 3-6  cycloalkyl, or C 1-4  alkyl optionally substituted with 1 or more R 2 ; 
 each R 4  is independently halo, OH, —NH 2 , —NHR 1 , —N(R 1 R 1 ), —COOH, —COOR 1 , —NHCO—R 1 ; each R 5  is independently C 1-4  alkyl or H, or two R 5  taken together with the nitrogen atom to which they are bound form a 4, 5, or 6 membered saturated heterocyclic ring containing 0 or 1 additional heteroatoms where such additional heteroatom is O or N wherein such heterocycle is optionally substituted with —OH, —NH 2 , —N(R 1 R 1 ), n-hydroxy C 1-4  alkyl, —(CH 2 ) m —COOH, —(CH 2 ) m —COOR 1 ; and 
 each m is independently 0, 1, 2, or 3. 
 
     
     
         2 . The compound of  claim 1  wherein the compound has the structure of Formula I-R or a pharmaceutically acceptable salt, ester, prodrug, homolog, hydrate or solvate thereof. 
     
     
         3 . The compound of  claim 1  wherein the compound has the structure of Formula I-S or a pharmaceutically acceptable salt, ester, prodrug, homolog, hydrate or solvate thereof. 
     
     
         4 . The compound of  claim 1  wherein the compound is substantially enantiomerically pure. 
     
     
         5 - 9 . (canceled) 
     
     
         10 . The compound of  claim 1  wherein Y is Cl. 
     
     
         11 . The compound of  claim 1  wherein Y is CF 3 . 
     
     
         12 . The compound of  claim 1  wherein Y is CN. 
     
     
         13 . The compound of  claim 1  wherein X is —NR′R″. 
     
     
         14 . The compound of  claim 1  wherein X is —OR″′. 
     
     
         15 . The compound of  claim 14  wherein X is —OH. 
     
     
         16 . The compound of  claim 14  wherein X is —OCO—R 1 . 
     
     
         17 . The compound of  claim 16  wherein R 1  is C 1-3  alkyl. 
     
     
         18 . The compound of  claim 13  wherein R′ is H. 
     
     
         19 . The compound of  claim 13  wherein R′ is —COR 1 . 
     
     
         20 . The compound of  claim 13  wherein R′ is —SO 2 —R′. 
     
     
         21 . The compound of  claim 13  wherein R″ is H. 
     
     
         22 . The compound of  claim 13  wherein R″ is —SO 2 —R 3 . 
     
     
         23 . The compound of  claim 13  wherein R″ is C 1-4  alkyl optionally substituted with 1 or more R 2 . 
     
     
         24 . The compound of  claim 13  wherein R″ is —(CR a R b ) n —R 2 ; each R a  and each R b  is independently selected from the group consisting of H, hydroxyl and methyl or R a  and R b  bound to the same carbon taken together are oxo; and n is 0, 1, 2, or 3. 
     
     
         25 . The compound of  claim 24  wherein n is 2. 
     
     
         26 . The compound of  claim 25  wherein R 2  is —OH, —NH 2 , —NHR 1 , —N(R 5 R 5 ), or —COOH. 
     
     
         27 . The compound of  claim 22  wherein R 3  is C 1-4  alkyl optionally substituted with 1 or more R 2 . 
     
     
         28 . The compound of  claim 22  wherein Y is CN. 
     
     
         29 . The compound of  claim 27  wherein R 3  is —C 2 H 5 —N((R 5 R 5 ) or —CH 2 —CO—N(R 5 R 5 ). 
     
     
         30 . The compound of  claim 28  wherein R 3  is C 2 H 5 —O—R 1 . 
     
     
         31 . The compound of  claim 12  wherein X is —NH—CO—N(R 5 R 5 ). 
     
     
         32 . The compound of  claim 1  wherein the compound is selected from the group consisting of: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
       or a pharmaceutically acceptable salt, ester, prodrug, homolog, hydrate or solvate thereof. 
     
     
         33 . The compound of  claim 32  selected from the group consisting of: 
       
         
           
           
               
               
           
         
       
       or a pharmaceutically acceptable salt, ester, prodrug, homolog, hydrate or solvate thereof. 
     
     
         34 . A pharmaceutical composition comprising a compound of  claim 1  and a suitable excipient. 
     
     
         35 . A pharmaceutical combination comprising a compound of  claim 1  and a second medicament. 
     
     
         36 . The combination of  claim 35  wherein the second medicament is medically indicated for the treatment of multiple sclerosis, transplant rejection, or acute respiratory distress syndrome. 
     
     
         37 . (canceled) 
     
     
         38 . A method of activation or agonism of a sphingosine-1-phosphate receptor subtype 1 comprising contacting the receptor subtype 1 with an effective amount of the compound of  claim 1  or the composition of  claim 34 . 
     
     
         39 . The method of  claim 38  wherein the compound activates or agonizes the sphingosine-1-phosphate receptor subtype 1 to a greater extent than the compound activates or agonizes a sphingosine-1-phosphate receptor subtype 3. 
     
     
         40 . The method of  claim 38  wherein the sphingosine-1-phosphate receptor subtype 1 is disposed within a living mammal. 
     
     
         41 . A method of treatment of a malcondition in a patient for which activation or agonism of an sphingosine-1-phosphate receptor subtype 1 is medically indicated, comprising administering an effective amount of the compound of  claim 1  to the patient at a frequency and for a duration of time sufficient to provide a beneficial effect to the patient. 
     
     
         42 . The method of  claim 41  wherein selective activation or agonism of an S1P subtype 1 receptor with respect to other subtypes of S1P receptor is medically indicated. 
     
     
         43 . The method of  claim 41  wherein the malcondition comprises multiple sclerosis, transplant rejection, acute respiratory distress syndrome, ulcerative colitis, influenza, Crohn's disease or adult respiratory distress syndrome. 
     
     
         44 - 60 . (canceled)

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