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:
Nov. 26, 1991
Filed:
Apr. 10, 1990
Applicant:
Inventors:
Carl B Ziegler, Jr, Pearl River, NY (US);
William V Curran, Pearl River, NY (US);
Gregg Feigelson, Spring Valley, NY (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A01K / ;
U.S. Cl.
CPC ...
514210 ; 540302 ;
Abstract
The invention relates to new 2-substituted alkyl-3-carboxy carbapenems having the formula: ##STR1## with R.sup.1, R.sup.2, R.sup.3, X and Y defined hereafter as antibiotics and beta lactamase inhibitors produced by a novel Michael addition-elimination reaction of a substituted allyl azetidinone in the reaction shown: ##STR2## with R.sup.1, R.sup.2, Q, X and Y defined hereafter.