logo

For the Inventor, By the Inventor

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.:

US 4174318 B1

PDFFull Text
Date of Patent:
Nov. 13, 1979

Filed:

Sep. 22, 1976

Alkylative cleavage of azetidinone disulfides

Applicant:
Inventors:

Derek H Barton, London, GB;

Peter G Sammes, London, GB;

Graham Hewitt, Northolt, GB;

Brian E Looker, Greenford, GB;

William G Underwood, Stoke Poges, GB;

Assignee:

Glaxo Laboratories Ltd., , GB;

Attorney:

Bacon & Thomas

Primary Examiner:

Mark L Berch

Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602452 ; 2602454 ; 2603 / ; 2603 / ;
Abstract

Novel semisynthetic 4-thio-azetidin-2-one derivatives of use in the production of cephalosporins, penicillins and related .beta.-lactam antibiotic compounds are provided by cleavage reactions involving the corresponding 4-dithio-azetidin-2-one derivative or a suitable thiazoline derivative, which starting materials may be obtained from penicillins without changing the configuration of the .beta.-lactam structure desired in the final product.

Find Patent Forward Citations

Barton, Derek. (1979). Alkylative cleavage of azetidinone disulfides (U.S. Patent No. 4174318). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4174318

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…