The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 1980
Filed:
Mar. 30, 1979
Applicant:
Inventors:
George M Love, Mountainside, NJ (US);
Paul Sohar, Warren, NJ (US);
Leonard M Weinstock, Belle Mead, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 21 ; 424246 ;
Abstract
An improved process for preparing the antibiotic compound 7.beta.-(2-thienylacetamido)-7-methoxy-3-carbamoyloxymethyl-3-cephem-4-car boxylic acid, from the N-blocked esters of the compound 7.beta.-(D-5-amino-5-carboxyvaleramido)-3-carbamoyloxymethyl-7-methoxy-3-c ephem-4-carboxylic acid (Cephamycin C), by conducting the transacylation of the latter in a homogenous solution containing N-trimethylsilyl loweralkyl carbamates.