Process for the preparation of optically active, substituted 1,4-dihydropyridines and their use as medicaments

Abstract From the Canadian patent

Optically active, substituted 1,4-dihydropyridines of the formula I, (I), wherein R denotes, for example R3, R1 denotes, for example, an optionally substituted phenyl pyridyl or thienyl radical, R2 denotes the radical of a 5-membered optionally substituted, ring with at least one double bond and at least 2 hetero-atoms or hetero-atom groupings from the series comprising O N, NH and, S and R3 denotes, for example alkyl or alkoxyalkyl, and their, acid addition salts have useful pharmacological properties.