SYNTHESIS AND STEREOCHEMISTRY OF SOME STERICALLY CROWDED TRIAZOLYL HYDRAZONES

被引：0

作者：

Singh, Kh. Biren ^{[2
]}

Devi, A. Laxmi ^{[3
]}

Singh, M. Dhaneshwar ^{[1
]}

机构：

[1] Manipur Univ, Dept Chem, Imphal 795003, Manipur, India

[2] Modern Coll, Dept Chem, Imphal, Manipur, India

[3] DM Coll Sci, Dept Chem, Imphal, Manipur, India

来源：

INDIAN JOURNAL OF HETEROCYCLIC CHEMISTRY | 2008年 / 18卷 / 02期

关键词：

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

An attempt has been made to study the stereochemistry of (Nsp-Nsp2)-N-2 single bond and N-sp(2)-C-sp(2) double bond together in one system. For this purpose four N-4-amino-3,5-dialkyl-1,2,4-triazoles (1) were synthesized by reaction of carboxylic acid and hydrazine hydrate. By reacting these triazoles with a ketone in ethanol six new 3,5--dialkyl (diaryl)-N-4-dialkyl (diaryl) methylene amino-1,2,4-triazoles (2) were synthesized. These compounds were characterized from their IR and NMR spectral data. Restricted rotation about the N-N bond and formation of E and Z-products were observed.

引用

页码：165 / 168

页数：4

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