Esters I (Ar=3-nitrophenyl or 2,3-dichlorophenyl, A=C2-C6 alkylene, R=C1-C6 alkyl optionally C1-C6 alkoxy monosubstituted, Ri =C1-C4 alkyl) have antihypertensive activity and are effective against coronary heart diseases, They are prepared starting from the aldehyde ArCHO and esters of acetoacetic acid and 3-aminocrotonic acid, Pharmaceutical preparations containing them are also described.
酯类 I(Ar=3-
硝基苯基或 2,3-二
氯苯基,A=C2-C6 亚烷基,R=C1-C6 烷基,可选 C1-C6 烷氧基单取代,Ri=C1-C4 烷基)具有降压活性,对冠心病有效。