Alcohols configuration determination

Other examples of absolute configuration determination by the exciton coupling between a chromophore and a benzoate derived from the alcohol include ... 

Polystyrene-attached analogs of (—)DAIB have been synthesized, which show both high yields and high enantioselectivity similar to that observed for the homogeneous alkylations (eq 2). All product alcohols which had their configurations determined possessed the S configuration. 

Harada N, Watanabe M, Kuwahara S, Sugio A, Kasai Y, Ichikawa A. 2-Methoxy-2-(l-naphthyl)propionic acid, a powerful chiral auxiliary for enantioresolution of alcohols and determination of their absolute configurations by the H NMR anisotropy method. Tetrahedron Asymm. 2000 1 1249-1253. 

Sekiguchi S, Akagi M, Naito J, Yamamoto Y, Taji H, Kuwahara S, Watanabe M, Ozawa Y, Toriumi K, Harada N. Synthesis of enantiopure aliphatic acetylene alcohols and determination of their absolute configurations by H NMR anisotropy and/or X-ray crystallography. Eur. J. Org. Chem. 2008 2313-2324. 

Thus, the enantiomeric contents in a pair of sulphoxides can be determined by the H NMR chemical shifts in the methine or methylene protons in the two diastereomeric complexes which are stabilized by the hydrogen bond between the hydroxyl and the sulphinyl groups (Scheme 13). Similarly, the enantiomeric purity and absolute configurations of chiral sulphinate ester can be determined by measuring the NMR shifts in the presence of the optically active alcohols. ... 

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