Expeditious synthesis of 1,2-diaminoimidazoles under solvent-free conditions

被引：18

作者：

Attanasi, OA ^{[1
]}

De Crescentini, L ^{[1
]}

Favi, G ^{[1
]}

Filippone, P ^{[1
]}

Mantellini, F ^{[1
]}

Santeusanio, S ^{[1
]}

机构：

[1] Univ Urbino, Ist Chim Organ, I-60129 Urbino, Italy

来源：

SYNLETT | 2004年 / 03期

关键词：

1,2-diaza-1,3-butadienes; 1,2-diaminoimidazoles; bydrazones; Michael additions; cylizations;

D O I：

10.1055/s-2004-815432

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

1,2-Diaminoimidazoles are obtained in good yields by reaction of 1,2-diaza-1,3-butadienes with cyanamide at 50 degreesC under solvent-free conditions. These compounds are important intermediates for the synthesis of imidazo[1,2-b] [ 1,2,4]triazines.

引用

页码：549 / 551

页数：3

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