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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.:

US 4946957 B1

PDFFull Text
Date of Patent:
Aug. 07, 1990

Filed:

Aug. 30, 1989

Anti-tumor dc-52 derivatives

Applicant:
Inventors:

Hiromitsu Saito, Sagamihara, JP;

Yoichi Uosaki, Machida, JP;

Akira Sato, Machida, JP;

Tadashi Hirata, Yokohama, JP;

Makoto Morimoto, Shizuoka, JP;

Tadashi Ashizawa, Numazu, JP;

Assignee:

Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Mark L Berch

Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
544342 ;
Abstract

The present invention relates to novel derivatives of DC-52 represented by the following formula (I): ##STR1## [wherein X is chlorine, bromine, iodine, hydroxyl, formyl, hydroxyiminomethyl, cyano, nitro, amino or lower alkanoylamino; and Y is hydroxyl and Z is cyano, or Y and Z represent --O-- in the form of --Y--Z--]. These compounds and pharmacologically acceptable salts thereof have high anti-tumor activity.

Find Patent Forward Citations

Saito, Hiromitsu. (1990). Anti-tumor dc-52 derivatives (U.S. Patent No. 4946957). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4946957

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