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US 5,965,747 AGranted
Crystalline forms of antibiotic side chain intermediates
AssigneeMerck & Co., Inc.
InventorsKarel M. J. Brands, Ronald B. Jobson
Life of this patent
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Abstract
Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl) carbonyl]-amino]benzoic acid and salts and solvates thereof are disclosed. Three different crystalline types are described.
Claims7
Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid or a pharmaceutically acceptable salt or solvate thereof.
Dependencies are inferred from the claim text.