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:
Sep. 22, 1987
Filed:
Sep. 10, 1985
Applicant:
Inventors:
Giichi Goto, Toyono, JP;
Yoshiaki Saji, Kawanishi, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514278 ; 546 19 ; 546122 ; 546200 ;
Abstract
A compound of the formula ##STR1## wherein X is hydrogen, halogen or nitro; Ar is phenyl or naphthyridinyl which may optionally be substituted; and either one of Z.sup.1 and Z.sup.2 is hydrogen and the other is lower alkanoyloxy or hydroxy, each of Z.sup.1 and Z.sup.2 is lower alkoxy, or Z.sup.1 and Z.sup.2 combinedly represent hydroxyimino, oxo or a group of the formula: ##STR2## in which Y is oxygen or sulfur and A is a branched or unbranched lower alkylene chain; and a salt thereof, act on the central nervous system but are weak in adverse effects such as hypnotic and muscle relaxant effects.