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:
Oct. 16, 1984
Filed:
Feb. 22, 1982
Applicant:
Inventors:
Takako Hori, Toyama, JP;
Chosaku Yoshida, Takaoka, JP;
Yasuo Kiba, Toyama, JP;
Ryuko Takeno, Toyama, JP;
Joji Nakano, Toyama, JP;
Jun Nitta, Namekawa, JP;
Sumiko Kishimoto, Toyama, JP;
Shohachi Murakami, Toyama, JP;
Hisatsugu Tsuda, Toyama, JP;
Isamu Saikawa, Toyama, JP;
Assignee:
Toyama Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544360 ; 544121 ; 544357 ; 544359 ; 544366 ; 544369 ; 544370 ; 544371 ; 544372 ; 544392 ;
Abstract
A 1-(4-aminobenzyl)-2,3-dioxopiperazine derivative represented by the formula: ##STR1## and an acid addition salt thereof have excellent carcinostatic activity but a low toxicity. Therefore, said compounds are useful as medicines and also as intermediates.