Optically active dihydropyridine lactones, process for their preparation, and their use

摘要

The invention relates to novel optically active dihydropyridine lactones of the general formula I <IMAGE> in which R - stands for hydrogen or - for straight-chain or branched alkyl having up to 4 carbon atoms, a process for their preparation, and their use as intermediates for the production of optically active pharmaceutical active compounds.