Reaction of 5-Substituted tetrazoles with trifluoroacetic anhydride

被引：10

作者：

Vereshchagin, L. I. ^{[1
]}

Verkhozina, O. N. ^{[1
]}

Pokatilov, F. A. ^{[1
]}

Strunevich, S. K. ^{[1
]}

Proidakov, A. G. ^{[1
]}

Kizhnyaev, V. N. ^{[1
]}

机构：

[1] Irkutsk State Univ, Inst Petr & Coal Chem Synth, Irkutsk 664003, Russia

来源：

RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2007年 / 43卷 / 11期

关键词：

Azide; Benzonitrile; Trifluoroacetic Anhydride; Hydrazoic Acid; Diethylammonium;

D O I：

10.1134/S1070428007110218

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

5-Substituted tetrazoles readily react with trifluoroacetic anhydride at 20-25 degrees C to give the corresponding 2-substituted 5-trifluoromethyl-1,3,4-oxadiazoles, in contrast to published data according to which the title compounds are converted into 1,3,4-oxadiazole derivatives on heating with carboxylic acid anhydrides or chlorides at 100-120 degrees C. The reaction is governed not only by the rate of acylation of the tetrazole ring and temperature conditions but also by the stability of intermediate N-acyltetrazoles.

引用

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页码：1710 / 1714

页数：5

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[1] Reaction of 5-Substituted tetrazoles with trifluoroacetic anhydride
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