Back to results
US 5,395,931 AGranted
6-amido-1-methyl-2-(substituted-thio)carbapenems
AssigneeMerck & Co., Inc.
InventorsMark L. Greenlee, Frank P. DiNinno, Thomas N. Salzmann
Life of this patent
Estimating the term…
Abstract
New antibacterial 6-amido-1-methyl-2-(substituted-thio)-carbapenems and process for their synthesis involving new azetidinone intermediates.
Claims3
A compound of the structure:
- ##STR46## wherein R.sup.1 is H.sub.2 N--, ##STR47## and R.sup.3 /R.sup.4 is CH.sub.3 /H or H/CH.sub.3.
A compound of the structure:
- ##STR48## wherein R.sup.1 H.sub.2 N--, ##STR49## and R.sup.3 /R.sup.4 is CH.sub.3 /H or H/CH.sub.3.
A compound of the formula:
- ##STR50##
Dependencies are inferred from the claim text.