OPTICALLY ACTIVE, ANTI HEAD-TO-HEAD COUMARIN DIMER-POLYAMIDES.

摘要

Optically active, anti head-to-head coumarin dimers represented by general formula (I) or (II): a process for their preparation, optically active polyamides represented by general formula (III) or (IV), (wherein A represents a primary or secondary amine residue, and n represents an integer of 2 or more) and a process for their preparation from (I) or (II).