申请人:BEECHAM GROUP PLC
公开号:EP0120428A1
公开(公告)日:1984-10-03
The (3S, 4R)-isomer of compounds of formula (I) optionally in admixture with up to 45% of the mixture by weight of the corresponding (3R, 4S)-isomer:
wherein:
one of R1 and R2 is hydrogen and the other is selected from the class of alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, alkylhydroxymethyl, nitro, cyano, chloro, trifluoromethyl, alkylsulphinyl, alkylsulphonyl, alkoxysulphinyl, alkoxysulphonyl, alkylcarbonylamino, alkoxycarbonylamino or aminosulphinyl, aminosulphonyl or aminocarbonyl, the amino moiety being optionally substituted by one ortwo alkyl groups, or alkylsulphinylamino, alkylsulphonylamino, alkoxysulphinylamino or alkoxysulphonylamino or ethylenyl terminally substituted by alkylcarbonyl, nitro or cyano, or -C(alkyl)NOH or -C(alkyl) NNH2, the alkyl groups or alkyl moieties of alkyl-containing groups having from 1 to 6 carbon atoms;
one of R3 and R. is hydrogen or alkyl having from 1 to 4 carbon atoms and the other is alkyl having from 1 to 4 carbon atoms, orR3 and R4 together are C2-5 polymethylene;
R5 is hydrogen, alkyl having from 1 to 3 carbon atoms or acyl having from 1 to 8 carbon atoms; and
nis1 or2,
having pharmacological activity, in particular anti- hypertensive activity, a process for the preparation of such isomers, their pharmaceutical use and pharmaceutical compositions containing them.
式(I)化合物的(3S, 4R)-异构体,可选择与不超过混合物重量 45%的相应(3R, 4S)-异构体混合:
其中
R1 和 R2 中的一个是氢,另一个选自烷基羰基、烷氧基羰基、烷基羰氧基、烷基羟甲基、硝基、氰基、氯基、三氟甲基、烷基亚磺酰基、烷基磺酰基、烷氧基亚磺酰基、烷氧基磺酰基、烷基羰基氨基、烷氧基羰基氨基或氨基亚磺酰基、氨基磺酰基或氨基羰基、氨基可任选被一个或两个烷基取代,或被烷基羰基、硝基或氰基或 -C(烷基)NOH 或 -C(烷基)NNH2 取代的烷基氨基、烷基磺酰基氨基、烷氧基磺酰基氨基或烷氧基磺酰基氨基或乙烯基取代,其中含烷基的烷基或烷基分子具有 1 至 6 个碳原子;
R3 和 R. 中的一个是氢或具有 1 至 4 个碳原子的烷基,另一个是具有 1 至 4 个碳原子的烷基,或 R3 和 R4 合在一起是 C2-5 聚亚甲基;
R5 是氢、具有 1 至 3 个碳原子的烷基或具有 1 至 8 个碳原子的酰基;以及
nis1 或 2、
具有药理活性,特别是抗高血压活性的异构体,制备这类异构体的工艺,其药物用途和含有这类异构体的药物组合物。