Facile formation of aromatic cyclic N-methylamides based on cis conformational preference

被引：57

作者：

Azumaya, I ^{[1
]}

Kagechika, H ^{[1
]}

Yamaguchi, K ^{[1
]}

Shudo, K ^{[1
]}

机构：

[1] CHIBA UNIV,CTR CHEM ANAL,INAGE KU,CHIBA 263,JAPAN

来源：

TETRAHEDRON LETTERS | 1996年 / 37卷 / 28期

关键词：

D O I：

10.1016/0040-4039(96)00995-1

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Treatment of meta-(methylamino)benzoic acid (2) with tetrachlorosilane afforded several cyclic oligomers (3 - 6). All the amide bonds of the four oligomers are cis in the crystal. H-1-NMR spectra of the trimer 3 showed the existence of an equilibrium between chiral truncated cone (syn) and anti conformations. Copyright (C) 1996 Elsevier science Ltd

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页码：5003 / 5006

页数：4

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