An unexpected chemical behavior of 5-N-(benzotriazol-1-ylmethyl)amino-3-tert-butyl-1-phenylpyrazole

被引：12

作者：

Abonia, R ^{[1
]}

Rengifo, E

Quiroga, J

Insuasty, B

Sánchez, A

Cobo, J

Low, J

Nogueras, M

机构：

[1] Univ Valle, Dept Chem, Cali 25360, Colombia

[2] Univ Jaen, Dept Quim Inorgan & Organ, Jaen 23071, Spain

[3] Univ Aberdeen, Dept Chem, Old Aberdeen, Scotland

来源：

TETRAHEDRON LETTERS | 2002年 / 43卷 / 32期

关键词：

5-N-(benzotriazol-1-ylmethyl)amino-3-tert-butyl-1-phenylpyrazole; benzotriazole; isomerization; Troger's bases;

D O I：

10.1016/S0040-4039(02)01115-2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A rearrangement product or a pyrazolic Troger's base were unexpectedly obtained when 5-N-(benzotriazol-1-ylmethyl)amino-3-tert-butyl-1-phenylpyrazole was treated with electron-rich alkenes with well protic or Lewis acid catalyst, respectively, when tetrahydropyrazolopyridines were expected according with the benzotriazole methodology. The structure of the products was confirmed by NMR and X-ray diffraction techniques. Mechanisms for their formation are also proposed. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

收藏

页码：5617 / 5620

页数：4

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