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. 21, 1979
Filed:
Nov. 17, 1977
Applicant:
Inventor:
Stjepan Kukolja, Indianapolis, IN (US);
Assignee:
Eli Lilly and Company, Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2603 / ; 2603303 ; 2603 / ; 26032637 ; 548301 ; 544 18 ;
Abstract
A penicillin sulfoxide ester is reacted with an N-chloro halogenating agent at a temperature of from about 75.degree. C. to about 135.degree. C. to produce a novel 2-chlorosulfinylazetidin-4-one intermediate. The intermediate can be treated with stannic chloride to produce a 3-exomethylenecepham sulfoxide.
Kukolja, Stjepan. (1979). Sulfinyl halides and their preparation from penicillin sulfoxides (U.S. Patent No. 4165315). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4165315
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile