Compounds of the formula:
where R is an optionally substituted aryl or heteroaryl group;
R1 and R are each independently C1-C4 alkyl or 2-methoxyethyl; and Y is -(CH2)n- where n is 2, 3 or 4, -CH2CH(CH3)-or -CH2C(CH3)2-; and their pharmaceutically acceptable salts.
The compounds have utility as anti-ischaemic and antihypertensive agents and as synthetic intermediates to other dihydropyridine calcium antagonists.
式中的化合物:
其中 R 是任选取代的芳基或杂芳基;
R1和R各自独立地为C1-C4烷基或2-甲氧基乙基;Y为-(
CH2)n-(其中n为2、3或4)、- CH(
CH3)-或- C( )2-;及其药学上可接受的盐类。
这些化合物可用作抗缺血和抗高血压药物,以及其他
二氢吡啶类
钙拮抗剂的合成中间体。