| 摘要 |
<p>The invention concerns novel 2-oxo-hexahydro-azepine, -piperidine and -pyrrolidine derivatives of formula (I) and their aromatised derivatives of formula (II) (I) (II) where n is 2, 3 or 4, R is hydrogen, lower alkyl or aryl(lower)alkyl, R2 is hydrogen, lower alkyl or aryl(lower)alkyl and R3 is hydrogen, lower alkyl, aryl(lower)alkyl, lower alkenyl or lower alkynyl. The compounds are useful as intermediates for preparing 3,3-disubstituted -hexahydroazepine,-piperidine and -pyrrolidine compounds having pharmacological activity, particularly analgesic activity.</p> |
