The four stereoisomers are disclosed having the formula:
in which the asymmetric centers a and b are the same or different. The compounds are derived from the (+) and (-) alcohols and the (+) and (-) dihydropyridines and have either the absolute R or S configuration. Also disclosed are pharmaceutical compositions comprising an effective amount of the compounds in a pharmaceutically acceptable carrier and methods for producing cardiotonic activity using the compositions.
公开的四种立体异构体具有以下式子:
其中不对称中心 a 和 b 相同或不同。这些化合物来源于(+)和(-)醇以及(+)和(-)
二氢吡啶,具有绝对的 R 或 S 构型。还公开了包含在药学上可接受的载体中的有效量化合物的药物组合物,以及使用该组合物产生强心活性的方法。