申请人:Dr. Lo Zambeletti S.p.A.
公开号:US04999359A1
公开(公告)日:1991-03-12
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.2-6 alkenyl, C.sub.3-6 cycloalkyl or C.sub.4-12 cycloalkylalkyl groups or together form a C.sub.2-8 branched or linear polymethylene or C.sub.2-6 alkenylene group, optionally substituted with a hetero-atom; R.sub.3 is hydrogen, C.sub.1-6 alkyl, or phenyl or R.sub.3 together with R.sub.1 form a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 -- group; R.sub.4 is C.sub.1-6 alkyl, or phenyl; R.sub.5 is hydrogen or together with R.sub.4 forms a --(CH.sub.2).sub.n -- group in which n=1, 2 or 3; and `Het` is an optionally substituted single or fused ring heterocyclic group, containing from 5 to 12 ring atoms and comprising up to four hetero-atoms in the or each ring selected from oxygen, nitrogen and sulphur, with the proviso that when, simultaneously, R.sub.1 and R.sub.2 together are linear butylene, R.sub.3 is hydrogen, R.sub.4 is methyl, R.sub.5 is hydrogen and R is 3,4-dichlorophenyl, `Het` is not pyridyl, is useful for the treatment of pain.
公式I的化合物,或其溶剂合物或盐:##STR1## 其中: R.CO-是含有取代或未取代的碳环芳香基或杂环芳香基的酰基基团;R1和R2独立地是氢,C1-6烷基,C2-6烯基,C3-6环烷基或C4-12环烷基烷基基团,或者一起形成C2-8支链或线性聚亚甲基或C2-6烯亚甲基基团,可选择地带有杂原子;R3是氢,C1-6烷基或苯基,或者R3与R1一起形成--(CH2)3--或--(CH2)4--基团;R4是C1-6烷基或苯基;R5是氢或与R4一起形成--(CH2)n--基团,其中n = 1、2或3;而“Het”是一个含有5至12个环原子并且包含最多4个异原子(氧、氮和硫)的可选择取代的单环或融合环杂环基团,但是当R1和R2同时是线性丁基时,R3是氢,R4是甲基,R5是氢,而R是3,4-二氯苯基时,“Het”不是吡啶基,用于治疗疼痛。