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:
Jul. 16, 1996
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Tadafumi Terada, Iruma-gun, JP;
Katsuhiko Fujimoto, Honjo, JP;
Makoto Nomura, Hannou, JP;
Junichi Yamashita, Hannou, JP;
Setsuo Takeda, Tokushima, JP;
Takashi Kobunai, Naruto, JP;
Hideo Yamaguchi, Kawanishi, JP;
Konstanty Wierzba, Iruma-gun, JP;
Assignee:
Taiho Pharmaceutical Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549298 ; 544 69 ; 544148 ; 544229 ; 544375 ; 546 14 ; 546187 ; 546197 ; 5462837 ; 548406 ; 548526 ; 549214 ;
Abstract
A 4-desoxy-4-epipodophyllotoxin derivative of the following formula ##STR1## wherein R and R.sub.1 are as defined in the specification or a pharmaceutically acceptable salt thereof as well as an antitumor composition comprising such derivative or salt as an active ingredient.