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. 24, 1999
Filed:
Nov. 20, 1997
Ji-Wang Chern, Taipei, TW;
Yu-Ling Leu, Hsien, TW;
Shan-Shue Wang, Tainan, TW;
Chin-Fen Lee, Keelung, TW;
Shih-Chung Hsu, Taipei Hsien, TW;
Abstract
A compound of the formula: ##STR1## wherein X is arylene, heteroarylene, fused arylene, fused heteroarylene, or deleted; Y is sulfonyl, --O--, or deleted; R.sub.1 is aryl, heteroaryl, fused aryl, or fused heteroaryl; R.sub.2 is H, lower alkyl, lower alkoxy, halo, nitro, cyano, haloalkyl, hydroxyl, carboxyl, amido, amino, or aminoalkyl; or a salt thereof are disclosed. Also disclosed are a pharmaceutical composition which contains an excipient and an effective amount of a compound of the above formula and a method of treating cancer which involves the administration of an effective amount of such a compound to a patient in need thereof.