Pyridinium N-2′-pyridylaminide:: synthesis of 3-aryl-2-aminopyridines through an intramolecular radical process

被引：19

作者：

Sánchez, A ^{[1
]}

Nuñez, A ^{[1
]}

Alvarez-Builla, J ^{[1
]}

Burgos, C ^{[1
]}

机构：

[1] Univ Alcala De Henares, Dept Quim Organ, Madrid 28871, Spain

来源：

TETRAHEDRON | 2004年 / 60卷 / 51期

关键词：

arylation; biaryls; ipso-substitution mechanism; radicals and radical reaction; Tris(trimethylsilyl)silane;

D O I：

10.1016/j.tet.2004.09.099

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Tris(trimethylsilyl)silane (TTMSS) and azobisisobutironitrile (AIBN) promote the intramolecular heteroarylation of arenesulfonamides with pyridyl radicals under thermal conditions. The arenesulfonamides are easily prepared from pyridinium N-2'pyridylaminide. The heteroarylation process involves pyridyl radical cyclization and ipso substitution. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：11843 / 11850

页数：8

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