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:
Oct. 31, 1989
Filed:
Jun. 15, 1987
Hiroaki Satoh, Saitama, JP;
Hiroyasu Koyama, Ageo, JP;
Yoshikuni Suzuki, Ohmiya, JP;
Toshiji Sugai, Saitama, JP;
Koichi Watanabe, Saitama, JP;
Nisshin Flour Milling Co., Ltd., Tokyo, JP;
Abstract
Compounds are described of the formula ##STR1## wherein R.sub.1 is a nitro or trifluoromethyl group; R.sub.2 is a C.sub.1 -C.sub.6 alkyl group; R.sub.3 is a pyridyl or pyridyl N-oxide group which may be substituted with halogen, hydroxyl, haloalkyl, C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 alkyl and further may be fused with a benzene or naphthalene ring, said ring being optionally substituted with C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, halogen or haloalkyl, and a pharmaceutically acceptable acid addition salt thereof. The compounds of the formula (I) are of vasodilating and blood pressure lowering activities and thus may be useful for the treatment of cardiac diseases, cerebrovascular diseases and hypertension.