EP0296560A2 — 1,4-Substituted piperidines as acetylcholinesterase inhibitors and their use for the treatment of Alzheimer's disease
Assigned to Eisai Co Ltd · Expires 1988-12-28 · 37y expired
What this patent protects
A cyclic amine compound is defined by the formula: in which J is indanyl, indanonyl, indenyl, indenonyl, indanedionyl, tetralonyl, benzosuberonyl, indanolyl or a divalent group thereof, K is phenyl, an arylalkyl or cynnamyl, B is -(CHR22)r-, R22 being H or methyl, -CO-(CHR22…
USPTO Abstract
A cyclic amine compound is defined by the formula: in which J is indanyl, indanonyl, indenyl, indenonyl, indanedionyl, tetralonyl, benzosuberonyl, indanolyl or a divalent group thereof, K is phenyl, an arylalkyl or cynnamyl, B is -(CHR22)r-, R22 being H or methyl, -CO-(CHR22)r-, = (CH-CH = CH)b-, = CH-(CH2)c- or = (CH-CH)d = and the ring including T and Q is piperidine. The compound is useful for the preparation of pharmaceutical compositions and for medicaments effective against senile dementia.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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