2-OXO-1-OXA-8-AZASPIRO (4,5) DECANE DERIVATIVES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND PROCESS FOR PREPARING SAME

4,4-disubstd piperidine derivs of formula (I) and their acid addn and quaternary ammonium salts are new. In (I) R1 = H or C0NHR; R = H, 1-12C alkyl, 3-6C cycloalkyl or a carboxyclic 6-10C aryl or carbocycline (6-10C aryl) 1-4C alkyl opt ring substd by one or more halo, 1-4C alkyl or 1-4C alkoxy; R2...

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Bibliographic Details
Main Authors EDIT TOTH, BELA HEGEDUS, JOZSEF TORLEY
Format Patent
LanguageEnglish
Published 20.02.1991
Edition5
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:4,4-disubstd piperidine derivs of formula (I) and their acid addn and quaternary ammonium salts are new. In (I) R1 = H or C0NHR; R = H, 1-12C alkyl, 3-6C cycloalkyl or a carboxyclic 6-10C aryl or carbocycline (6-10C aryl) 1-4C alkyl opt ring substd by one or more halo, 1-4C alkyl or 1-4C alkoxy; R2 = ethynyl or C0CH3; Ph1 and Ph2 = phenyl opt substd by one or more halo, 1-4C alkyl, 1-4C alkoxy, trihalo or 0H opt esterified by a 1-4C alkansic acid; n = 1-2. - 3 Cpds (I) ie 1-(3,3-bis(4-fluorophenyl)-2-propenyl)-4 ethynyl-4-hydroxypiperidine hydrochloride, (Ib) 1-(4,4-bis(4-fluorophenyl)-3- butenyl)-4-ethynyl-4-hydroxy piperidine hydrochloride (Ia) and 1-(4,4-bis(4-fluorophenyl)-3- butenyl)-4-benzylcarbamoyloxy-4 ethynylpiperidine are specifically claimed.
Bibliography:Application Number: CN19901006974