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. 26, 1991
Filed:
Feb. 29, 1988
Applicant:
Inventors:
William J McGahren, Demarest, NJ (US);
George A Ellestad, Pearl River, NY (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 175 ; 536-41 ; 536 168 ; 536 169 ; 536 176 ; 536 184 ; 536 181 ; 536 172 ; 536 553 ; 536122 ;
Abstract
Processes for producing antibacterial and antitumor agents designated LL-E33288.epsilon.I and LL-E33288.epsilon.-Br using triphenylphosphine or a sulfhydryl-containing reagent are disclosed. Processes for producing reductively aromatized derivatives of other antibiotics are also disclosed.