Y. Fukushi et al., A NEW METHOD FOR ESTABLISHMENT OF ABSOLUTE-CONFIGURATIONS OF SECONDARY ALCOHOLS BY NMR-SPECTROSCOPY, Tetrahedron letters, 35(4), 1994, pp. 599-602
Axially chiral 2'-methoxy-1,1'-binaphthyl-2- carboxylic acid (MBNC, 2)
and 2-(2'-methoxy-1'-naphthyl])3,5-dichlorobenzoic acid (MNCB, 3) wer
e used as chiral derivatizing agents to determine absolute configurati
ons of secondary alcohols by H-1 and C-13 NMR spectroscopy.