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:
Feb. 08, 1977
Filed:
Oct. 30, 1975
Applicant:
Inventor:
Antonio Luis Coll, Barcelona, ES;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602391 ; 2602 / ; 2603 / ;
Abstract
The process consists in reacting 2-oxazolidinone or 5-methyl-2-oxazolidinone, with trimethylchlorosilane or dimethylchlorosilane, or triethylchlorosilane, in the presence of an organic tertiary base acting as a hydrogen chloride removal agent, the resulting compound is reacted with 6-APA, 7-ACA or 7-ADCA; the resulting compound is reacted with an activated carboxylic acid to obtain an N-acyl derivative, which, when treated with water or alcohols gives a penicillin or cephalosporin.
Quick Actions:
Coll, Antonio. (1977). Process for preparing penicillins derivatives (U.S. Patent No. 4007168). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4007168
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile