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:
Aug. 17, 1993
Filed:
Feb. 13, 1992
Applicant:
Inventors:
Soichiro Toda, Tokyo, JP;
Haruhiro Yamashita, Chiba, JP;
Takayuki Naito, Kawasaki, JP;
Yuji Nishiyama, Tokyo, JP;
Assignee:
Bristol-Myers Squibb Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; C07B / ;
U.S. Cl.
CPC ...
536 185 ; 536 181 ; 536 168 ; 536 161 ; 536 186 ; 536 553 ; 536124 ;
Abstract
This invention relates to elsamicin A derivatives wherein the 2'-amino group is selectively modified by acylation or alkylation, a process for producing said elsamicin A derivatives, an antitumor composition containing the same as the active ingredient, and a method for therapy using said compositions.