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:
Dec. 06, 1994
Filed:
Apr. 29, 1993
Tadahiro Takemoto, Osaka, JP;
Masahiro Eda, Osaka, JP;
Mitsuyoshi Hihara, Osaka, JP;
Takehiro Okada, Osaka, JP;
Hiroshi Sakashita, Osaka, JP;
Miyuki Eiraku, Osaka, JP;
Chikara Fukaya, Osaka, JP;
Norifumi Nakamura, Osaka, JP;
Masanori Sugiura, Osaka, JP;
Sumio Matzno, Osaka, JP;
Maki Goda, Osaka, JP;
Yasumi Uchida, Chiba, JP;
The Green Cross Corporation, Osaka, JP;
Abstract
An aminopyridine compound represented by the formula: ##STR1## wherein n represents 0 or 1; Z represents .dbd.S, .dbd.NCN or .dbd.CHNO.sub.2 ; R.sub.1 represents --NR.sub.3 R.sub.4, --NHNR.sub.3 R.sub.4, --NHCONHR.sub.3 or --NHSO.sub.2 R.sub.3 ; R.sub.2 represents H, or substituted or unsubstituted alkyl; R.sub.3 and R.sub.4, which may be the same or different, represent H, substituted or unsubstituted alkyl, aryl, substituted or unsubstituted acyl or alkoxycarbonyl group; and R.sub.3 and R.sub.4 may form a heterocyclic ring together with a nitrogen atom to which R.sub.3 and R.sub.4 are bound, through another heteroatom or without it; an optical isomer thereof or art acid salt thereof, which is excellent in pharmacological effect and repressed in side effects as a drug for circulatory diseases.