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:
Feb. 09, 1999
Filed:
Jul. 24, 1997
Hui-Po Wang, Taipei, TW;
On Lee, Taipei, TW;
Jin-Yuh Shew, Taipei, TW;
Shui-Jane Lee, Tainan Shuan, TW;
Other;
Abstract
A novel anti-oncogenic azatyrosine analogues of formula (I) ##STR1## wherein R.sub.1 is C.sub.1-6 alkyl, C.sub.1-6 haloalkyl, benzyl, or (C.sub.1-6 alkyl)carbonyl; R.sub.2 is C.sub.1-6 alkyl, C.sub.1-6 haloalkyl, or C.sub.1-6 alkoxyl; and R.sub.3 is CONR.sub.4 R.sub.5, CONHNR.sub.4 R.sub.5, or COOR.sub.6, wherein each R.sub.4 and R.sub.5 independently is a hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, or C.sub.3-6 cycloalkyl, or R.sub.4 and R.sub.5 taken together with the nitrogen attached thereto form a C.sub.3-8 heterocyclic group; R.sub.6 is C.sub.1-6 alkyl, C.sub.1-6 haloalkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl, or benzyl. Also disclosed is a method of preparing such a novel anti-oncogenic azatyrosine analogues, as well as a pharmaceutical composition containing a compound of formula (I).