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:
May. 02, 1995
Filed:
May. 24, 1994
Shin-ichi Tsukamoto, Tokyo, JP;
Hitoshi Nagaoka, Tokyo, JP;
Shinji Usuda, Ibaragi, JP;
Masatomi Harada, Saitama, JP;
Toshinari Tamura, Saitama, JP;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Hydrochloride salts of heterocyclic spiro compounds are provided and can be represented by the following general formula: ##STR1## wherein A represents piperidine or N alkyl piperidine or N alkylene attached to a non adjacent piperidine ring carbon, X is S or O, Y is carbonyl, thiocarbonyl, methylene, R.sup.5 methylene, ##STR2## alk in which R.sup.1 to R.sub.3,R.sub.6,R.sub.7 are H or alkyl, R.sub.4 is H, alkyl, COOH, or ester, or --C alkyl, R.sub.5 is halo, OH,SH, O alkyl, S alkyl, O acyl or S acyl, and Z, and Z.sub.2 are O or S. The above compounds act upon muscarinic acetylcholine receptors, thereby activating the acetylcholine nervous functions in the central nervous system.