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. 28, 2018
Filed:
Dec. 18, 2015
Applicant:
Merck Sharp & Dohme Corp., Rahway, NJ (US);
Inventors:
Kristos Adrian Moshos, Belmont, MA (US);
Valdas Jurkauskas, Cambridge, MA (US);
Assignee:
Merck Sharp & Dohme Corp., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 285/08 (2006.01); A61K 31/4196 (2006.01);
U.S. Cl.
CPC ...
C07D 285/08 (2013.01); A61K 31/4196 (2013.01);
Abstract
Thiadiazolyl-oximinoacetic acid derivatives have been synthesized, which are useful in the manufacture of cephalosporin antibiotic compounds. Compound (1) (TATD) is commercially available (CAS No. 76028-96-1). It has now been discovered that the thiadiazolyl-oximinoacetic acid derivative compound (1) (TATD) can be prepared from dimethyl malonate (SM 1, CAS No. 108-59-8) according to methods described herein. The methods provide products having desirable purity.