Inventor

WEINSTOCK LEONARD M

30 patents

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WEINSTOCK LEONARD M

MERCK & CO INC

Process for deblocking N-substituted β-lactams

Process for the preparation of antiulcer agents

Solid-liquid phase transfer catalysis improved method of preparing 2,4-difluoroaniline

Process for the preparation of chloromethyl methyl ether

Process for preparation of alpha-alkyl amino acids

Method of preparing 2,4-difluoroaniline

Process for the preparation of thiazoles

Preparation of fluorinated anilines

2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazine compounds and compositions

Preparation of salicylic acid and derivatives

Method for introducing a 1,2 double bond into azasteroids

Process for the preparation of 4-methylthiazole

Process for the preparation of cephalosporin antibiotics

Acylation process for the synthesis of HMG-CoA reductase inhibitors

Silyl, benzyl, p-nitrobenyl, or methyl esters of diazoacetate, a synthon used in the conversion of penicillin to thienamycin

Stereospecific synthesis of thienamycin from penicillin

Process for purification of 9-(2,6-dihalobenzyl)adenines

3-Sulfonate ester of 2,3-dihydroxypropylamine

Novel methods and compounds employed therein

Preparation of 5-(2,4-difluorophenyl)salicylic acid and derivatives

Process for preparing 10,11-dihydro-11-exo-hydroxy-5-methyldibenzo[a,d]cyclohepten-5,10-imine

Substituted-1,2,5-thiadiazole-1-oxide compounds, compositions and use

Derivatives of thiadiazolo[3,4-d]pyrimidine

Process for preparation of 9-(dihalobenzyl) adenines

Synthesis of 4-cyanothiazoles

Process for the preparation of cephamycin antibiotics

MERCK SHARP & DOHME

2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazines

2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazines

2-(3-Substituted amino-2-hydroxypropoxy)-3-piperidino pyrazines for use in treating hypertension

FROSST & CO CHARLES E

Sinister-3,5-disubstituted oxozolidines their preparation and use