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. 27, 1996
Filed:
Sep. 13, 1994
Applicant:
Inventors:
Assignee:
American Cyanamid Company, Wayne, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
552206 ; 5483611 ; 5483621 ; 5483731 ; 5483751 ; 548400 ; 548579 ; 548950 ; 548954 ; 548967 ; 549 68 ; 549496 ; 549505 ; 585 22 ;
Abstract
The invention provides a process for the production of compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4 and W are defined in the specification in which a compound of the following formula: ##STR2## is reacted with a nucleophile of the formula WH in an inert atmosphere in the presence of a polar aprotic solvent. The resulting compounds are useful as antibiotics.