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US 5,310,873 AGranted
Cyclohexapeptide compound
AssigneeMerck & Co., Inc.
InventorsDennis M. Schmatz, Jan S. Tkacz, Robert E. Schwartz, Mervyn Turner
Life of this patent
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Abstract
A cyclohexapeptide base which is the nucleus of closely related antibiotics obtained by culturing Zalerion arboricola and its salts are described. They are useful intermediates for the preparation of new semisynthetic compounds having antimicrobial activity.
Claims1
A cyclohexapeptide of the formula ##STR3## and acid addition salts thereof.
Dependencies are inferred from the claim text.