Patent ID: 6849742
Filing Date: 2005-02-01
Classification: C07B,C07C,C07D

Abstract:
1. A binaphthol derivative represented by the formula [1]: wherein Y wherein L is —O—, —S— or —NH—, and Z is an optionally substituted aromatic group or a heterocyclic group having conjugated double bonds; R and R′ are selected from the group consisting of hydrogen atom, an alkaline metal, an optionally branched and optionally substituted alkyl group of 1-20 carbon atoms, an acyl group and a phenylalkylene group; Q and Q′ are selected from the group consisting of optionally branched alkyl and alkoxy group of 1-6 carbon atoms, a halogen atom, nitro group and nitroso group; and m and m′ each represents an integer of 0-3 or a salt thereof.