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:
Nov. 24, 1992
Filed:
Feb. 28, 1991
Shoji Kishimoto, Takarazuka, JP;
Takeshi Fujita, Takarazuka, JP;
Takeda Chemical Industries, Ltd., Osaka, JP;
Abstract
The present invention is related to a compound of the formula ##STR1## wherein R.sup.1 is a 2-methyl-1-propenyl or isobutyl group which may be substituted and R.sup.2 is (1) a substituted alkanoyl group, (2) a substituted aroyl group having at least one substituent selected from the group consisting of C.sub.2-6 alkyl, amino, halogen, hydroxyl, lower alkoxy, cyano, carbamoyl and carboxyl, (3) an aromatic heterocycle-carbonyl, which may optionally be substituted, (4) a carbamoyl group, which may optionally be substituted, (5) an alkyl group, which may optionally be substituted, (6) a benzenesulfonyl group, which may optionally be substituted, (7) an alkylsulfonyl group, which may optionally be substituted, (8) a sulfamoyl group, which may optionally be substituted, (9) an alkoxycarbonyl group, which may optionally be substituted or (10) a phenoxycarbonyl group, which may optionally be substituted; or a salt thereof. The compound (I) has a strong angiogenesis inhibitory activity.