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. 01, 1995
Filed:
Dec. 14, 1993
Applicant:
Inventors:
Katsuhisa Kojiri, Tsukuba, JP;
Hajime Suzuki, Tsukuba, JP;
Hisao Kondo, Tsukuba, JP;
Hiroyuki Suda, Tsukuba, JP;
Assignee:
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
4352521 ; 439119 ;
Abstract
The resultant compounds of the formula (I) have an excellent antitumor activity. A process for preparation of a compound represented by the formula ##STR1## wherein X.sup.1 and X.sup.2 each independently represent hydrogen atom, halogen atom, amino group, mono- or di-lower alkylamino group, hydroxyl group, lower alkoxy group, aralkoxy group, carboxyl group, lower alkoxycarbonyl group, lower alkanoyloxy group or lower alkyl group, and