Axially dissymmetric biaryls 3. determination of enantiomeric purity of 2,2'-dihydroxy-1,1'-binaphthyl by 1H nmr

Chin. J. Org. Chem. ›› 1987, Vol. 7 ›› Issue (3): 202-205. Previous Articles Next Articles

轴不对称联芳香化合物的研究3,1H NMR法测定2,2'-二羟基-1,1'-联萘的对映体含量

谢颂凯;王贵阳生;张小蘅;许遵乐;黄文洪

中山大学化学系;中山大学测试中心

发布日期:1987-06-25

Axially dissymmetric biaryls 3. determination of enantiomeric purity of 2,2'-dihydroxy-1,1'-binaphthyl by 1H nmr

XIE SONGKAI;WANG GUIYANGSHENG;ZHANG XIAOHENG;XU ZUNLE;HUANG WENHONG

Published:1987-06-25

Abstract

The enantiometric purity of (?-2,2'-dihydroxy-1,1'-binaphthyl was determine as esters of (+)-a-trifluoromethyl-a-methoxyphenylacetic acid by 1H NMR with Eu(fod)3 as the shift reagent and CDCl3 (or CCl4) as the solvent. When the molar ratio shift reagent and substrate was 0.35-0.60, the absolute error of enantiometric excess was <1%.

Key words: CARBON TETRACHLORIDE, PROTON MAGNETIC RESONANCE SPECTROMETRY, NAPHTHALENOL P, ENANTIOMORPH, LINKED RING COMPOUNDS, AROMATIC COMPOUNDS, EUROPIUM COMPLEX, CHIRALITY, SHIFT REAGENT

CLC Number:

O621
O657

Cite this article

XIE SONGKAI;WANG GUIYANGSHENG;ZHANG XIAOHENG;XU ZUNLE;HUANG WENHONG. Axially dissymmetric biaryls 3. determination of enantiomeric purity of 2,2'-dihydroxy-1,1'-binaphthyl by 1H nmr[J]. Chin. J. Org. Chem., 1987, 7(3): 202-205.

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轴不对称联芳香化合物的研究3,1H NMR法测定2,2'-二羟基-1,1'-联萘的对映体含量

Axially dissymmetric biaryls 3. determination of enantiomeric purity of 2,2'-dihydroxy-1,1'-binaphthyl by 1H nmr

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