申请人:Dr. Lo. Zambeletti S.p.A.
公开号:US04879300A1
公开(公告)日:1989-11-07
A compound, or a solvate or salt thereof, of formula I: ##STR1## in which: R.CO-- is an acyl group containing a substituted or unsubstituted carbocyclic aromatic or heterocyclic aromatic group; R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkenyl, C.sub.1-6 cycloalkyl or C.sub.1-12 cycloalkylalkyl or together form a C.sub.2-6 polymethylene or C.sub.2-6 alkenylene group, optionally substituted with a hetero-atom, provided that R.sub.1 and R.sub.2 are not simultaneously hydrogen; Rx is C.sub.1-6 alkyl or phenyl, or Rx together with R.sub.1 form a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 -- group, is useful for the treatment of pain.
化合物I的结构,或其溶剂化合物或盐,如下所示:##STR1##其中:R.CO--是一个酰基,含有一个经取代或未取代的碳环芳香族或杂环芳香族基团;R.sub.1和R.sub.2分别是氢、C.sub.1-6烷基、C.sub.1-6烯基、C.sub.1-6环烷基或C.sub.1-12环烷基烷基,或者一起形成一个C.sub.2-6聚亚甲基或C.sub.2-6烯亚甲基基团,可选地取代有一个杂原子,但要求R.sub.1和R.sub.2不能同时是氢;Rx是C.sub.1-6烷基或苯基,或者Rx与R.sub.1一起形成一个--(CH.sub.2).sub.3--或--(CH.sub.2).sub.4--基团,用于治疗疼痛。