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:
Mar. 06, 1984
Filed:
Sep. 24, 1982
Applicant:
Inventors:
Susumu Nishimura, Ichihara, JP;
Hiroaki Nomura, Takstsuki, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
544280 ; 424251 ;
Abstract
Novel deazapurine derivatives of the formula: ##STR1## wherein R.sup.1 is C.sub.1-18 alkyl which may be substituted with di-C.sub.1-3 alkyl amino; C.sub.1-18 alkenyl; C.sub.3-8 cyloalkyl; C.sub.5-8 cycloalkenyl; C.sub.7-13 aralkyl which may be substituted with C.sub.1-4 alkoxy, C.sub.1-4 alkanoyl, C.sub.2-4 alkoxycarbonyl, hydroxy, amino, nitro, trifluoromethyl or C.sub.1-4 alkanoylamido; or C.sub.6-10 aryl and