6-Substituted 4-(2',3'-dichlorophenyl)-2-methyl-1,4-dihydropyridine-3,5-dicarboxylic acid diesters having hypotensive properties as well as process for their preparation and pharmaceutical preparations containing same
申请人:Aktiebolaget Hässle
公开号:EP0031801A2
公开(公告)日:1981-07-08
The present invention relates to new compounds having anti-hypertensive effect, which compounds are of the formula I,
wherein R1 is selected from the group consisting of -CH3, -CH2CH20CH3, and -CH(CH3)CH20CH3, R2 is selected from the group consisting of -CH3, -C2H5, -CH2CH20CH3, and -CH(CH3)CH20CH3, whereby when R1 is -CH3, R2 is -CH3, -C2H5, -CH2CH2OCH3, or -CH(CH3)CH20CH3, when R1 is -CH2CH2OCH3, R2 is -CH2CH20CH3, or -CH(CH3)CH2OCH3, and when R1 is -CH(CH3)CH2OCH3, R2 is -CH(CH3)CH2-OCH3, and R3 is selected from the group consisting of alkyl with 2 to 3 C, alkoxyalkyl with 2 to 3 C, and alkoxyalkoxyalkyl with 3 to 5 C, process for the preparation of said compounds, and pharmaceutical preparations containing said compounds.
本发明涉及具有抗高血压作用的新化合物,该化合物为式 I、
其中 R1 选自 -CH3、-CH2CH20CH3 和 -CH(CH3)CH20CH3 组成的组,R2 选自 -CH3、-C2H5、-R1为-CH3时,R2为-CH3、-C2H5、-CH2CH2OCH3或-CH(CH3)CH20CH3,R1为-CH2CH2OCH3时,R2为-CH2CH20CH3、或-CH(CH3)CH2OCH3,以及当 R1 是-CH(CH3)CH2OCH3,R2 是-CH(CH3)CH2-OCH3,且 R3 选自由 2 至 3 C 的烷基、2 至 3 C 的烷氧基烷基和 3 至 5 C 的烷氧基烷基组成的组,制备所述化合物的工艺,以及含有所述化合物的药物制剂。