1,3-dipolar cycloaddition reactions with 1,2,3-triazinium ylides

被引：1
|
作者：
Mättner, M [1 ]
Neunhoeffer, H [1 ]
机构：
[1] Tech Univ Darmstadt, Clemens Schopf Inst Organ Chem & Biochem, D-64287 Darmstadt, Germany
来源：
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2004年 / 2004卷 / 20期
关键词：
cycloaddition; fused-ring systems; heterocycles; regioselectivity; ylides;
D O I：
10.1002/ejoc.200400347
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
1,3-Dipolar cycloadditions were carried out with 1,2,3-triazinium 2-dicyanomethylylides 4 and deprotonated 2-ethyl-1,2,3-triazinium salts 2. Pyrazolo[2,1-a]- and pyrazolo[1,2-b][1,2,3]triazines 5 and 9 were synthesized, representing new heterocyclic systems. (C) Wiley-VCH Verlag GmbH Co.
引用
收藏
页码：4234 / 4238
页数：5
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