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. 22, 1991
Filed:
Aug. 30, 1990
Hiroyoshi Hidaka, Hachimanyama, Tenpaku-ku, Nagoya-shi, Aichi-ken, JP;
Tomohiko Ishikawa, Showa-ku, Nagoya-shi, Aichi-ken, JP;
Tsutomu Inoue, Futawanishi, Funabashi-shi, Chiba-ken, JP;
Masayuki Yuasa, Showa-machi, Akishima-shi, Tokyo-to, JP;
Takashi Inaba, Higashimurayama-shi, Tokyo-to, JP;
Kenji Naito, Akishima-shi, Tokyo, JP;
Osamu Sakuma, Sekido, Tama-shi, Tokyo-to, JP;
Tadashi Morita, Minamigashiwa, Kashiwa-shi, Chiba-ken, JP;
Shinpei Kidokoro, Daita, Setagaya-ku, Tokyo-to, JP;
Other;
Abstract
Novel compounds represented by the formula: ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 3 carbon atoms, R.sub.2 represents an amino group or a group of formula ##STR2## in which R.sub.4 represents an alkyl group having 1 to 3 carbon atoms, R.sub.5 represents an alkyl group having 1 to 3 carbon atoms or may combine with R.sub.6 to form a five or six membered ring containing 4 to 5 carbon atoms, R.sub.6 represents a hydrogen atom or may combine with R.sub.5 to form a five or six membered ring containing 4 to 5 carbon atoms, R.sub.3 represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a halogen atom, X represents a carbonyl group or a methylene group, Y represents a sulfur atom or a vinylene group and pharmaceutically acceptable salts thereof which exhibit a vasodilating activity and inhibitory activity for platelet aggregation. Thus, they are useful as therapeutic agents for treatment of angina pectoris, hypertension, throbosis and the like.