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. 07, 1978
Filed:
Nov. 10, 1976
Applicant:
Inventors:
Muneyoshi Ikezaki, Ageo, JA;
Nobuo Ito, Tokyo, JA;
Yasushi Okazaki, Tokyo, JA;
Masao Hoshiyama, Tokyo, JA;
Taku Nagao, Ageo, JA;
Hiromichi Nakajima, Yono, JA;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424330 ;
Abstract
A compound having the formula: ##STR1## wherein Ring A is monohydroxyphenyl, or a pharmaceutically acceptable acid addition salt thereof is prepared by catalytic hydrogenation of a compound having the formula: ##STR2## wherein A' is monobenzyloxyphenyl, and Y is carbonyl or hydroxymethylene. The compound (I) in which Ring A is 4-hydroxyphenyl or 3-hydroxyphenyl is useful as a cardiotonic agent. On the other hand, the compound (I) in which Ring A is 2-hydroxyphenyl is useful as an anti-diabetic agent.