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:
Jun. 09, 1981
Filed:
Jun. 02, 1978
Applicant:
Inventors:
Ashit K Ganguly, Upper Montclair, NJ (US);
Viyyoor M Girijavallabhan, East Orange, NJ (US);
Patricia Cavender, Lawrenceville, NJ (US);
Olga Sarre, Verona, NJ (US);
Stuart W McCombie, West Orange, NJ (US);
Assignee:
Schering Corporation, Kenilworth, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424270 ; 544 21 ;
Abstract
.beta.-Lactams having a substituted hydroxymethylene group at the position .alpha. to the lactam carbonyl group are prepared by reaction of an .alpha.-halo-.beta.-lactam with zinc or zinc amalgam in an anhydrous aprotic medium to produce an intermediate which in situ reacts with an appropriate aldehyde or ketone. Also described are noval penicillins and cephalosporins having useful antibacterial activity.