Enantioresolution and absolute configurations of chiral <i>meta</i>‐substituted diphenylmethanols as determined by x‐ray crystallographic and ¹H NMR anisotropy methods

Abstract

meta-Substituted diphenylmethanols were enantioresolved by the method of chiral phthalic acid yielding enantiopure alcohols. Their absolute configurations were unambiguously determined by X-ray crystallography of chiral phthalate esters and/or by the (1)H NMR anisotropy method using 2-methoxy-2-(1-naphthyl)propionic acid.