NMR-STUDY OF THE CONFORMATIONS ADOPTED BY 1,2,3-TRIMETHOXYBENZENE WHEN DISSOLVED IN A NEMATIC LIQUID-CRYSTALLINE SOLVENT

被引：2

作者：

EMSLEY, JW

HADENFELDT, S

HORNE, TJ

CELEBRE, G

LONGERI, M

机构：

[1] UNIV CALABRIA,DIPARTIMENTO CHIM,I-87036 RENDE,ITALY

[2] UNIV HAMBURG,INST PHYS CHEM,W-2000 HAMBURG 13,GERMANY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1992年 / 03期

关键词：

D O I：

10.1039/p29920000419

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The proton, proton-{deuterium} and deuterium NMR spectra of partially deuteriated samples of 1,2,3-trimethoxybenzene dissolved in a nematic liquid crystalline solvent, 132, have been recorded and analysed to yield a set of dipolar couplings which have been used to test models for the conformational distribution. It is shown that the molecule must exist in more than one conformation. A conformational distribution has been obtained which is in agreement with the data, and which is based on the assumption that each methoxy group can occupy positions either orthogonal to, or coplanar with, the phenyl ring plane.

引用

页码：419 / 423

页数：5

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