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. 29, 1988
Filed:
Oct. 09, 1986
Applicant:
Inventors:
Hiroaki Yanagisawa, Hiromachi, JP;
Sadao Ishihara, Hiromachi, JP;
Akiko Ando, Hiromachi, JP;
Takuro Kanazaki, Hiromachi, JP;
Hiroyuki Koike, Hiromachi, JP;
Yasuteru Iijima, Hiromachi, JP;
Assignee:
Sankyo Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514212 ; 514183 ; 514321 ; 540527 ; 540524 ; 540463 ; 546223 ;
Abstract
Compounds of formula (I): ##STR1## (wherein R.sup.1 and R.sup.3 are organic groups, A is a direct bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CO--CH.sub.2, --O--CH.sub.2 -- or --S--CH.sub.2 --, B is lower alkylene and n is 1-3) are valuable hypotensive agents which may be prepared by a condensation reaction of the corresponding compound having an amino group at the 3-position.