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US 4,374,849 AGranted
6-Amidocyclonocardicins
AssigneeMerck & Co., Inc.
InventorsBurton G. Christensen, James V. Heck
Life of this patent
Estimating the term…
Abstract
Disclosed are 6-amidocyclonocardicins (I) and their pharmaceutically acceptable salts and esters which are useful as antibiotics ##STR1## wherein: R is NH.sub.2, R.sup.1 NH, R.sup.1 is acyl. Also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
Claims4
A compound of the formula:
- ##STR24## and the pharmaceutically acceptable salts and esters thereof, wherein R is NHR.sup.1, R.sup.1 is hydrogen, or acyl.
Dependencies are inferred from the claim text.