申请人:The Upjohn Company
公开号:US04588591A1
公开(公告)日:1986-05-13
Analgesic 2-oxa-spirocyclic compounds of the formula ##STR1## where the wavy line bonds, p, n, m, A, q, X, Y, R, R.sub.1, R.sub.2 and E are as defined in the specification, e.g., trans-4-bromo-N-methyl-N-[7-(1-pyrrolidinyl)-2-oxaspiro[4.5]dec-8-yl]benza mide, and trans-3,4-dichloro-N-methyl-N-[7-(1-pyrrolidinyl)-2-oxaspiro[4.5]dec-8-yl] benzeneacetamide, and acid addition salts thereof. Pharmaceutical compositions and methods of using these compounds as analgesics are disclosed. Processes for preparing the class of compounds are also disclosed.
镇痛药2-氧代螺环化合物的化学式为##STR1##其中波浪线键,p,n,m,A,q,X,Y,R,R.sub.1,R.sub.2和E的定义如规范中所述,例如,trans-4-溴-N-甲基-N-[7-(1-吡咯烷基)-2-氧代螺[4.5]癸-8-基]苯甲酰胺,以及trans-3,4-二氯-N-甲基-N-[7-(1-吡咯烷基)-2-氧代螺[4.5]癸-8-基]苯乙酰胺,及其酸盐。公开了将这些化合物用作镇痛药的药物组合物和使用方法。还公开了制备这类化合物的过程。