Reaction of 2-diazo-1,2-diarylethanones with benzophenone N-(diaryl)acylhydrazones:: Formation of 1,3,4-Oxadiazolines

被引：4
|
作者：
Singh, Girija S. [1 ]
机构：
[1] Univ Botswana, Dept Chem, Gaborone, Botswana
来源：
JOURNAL OF HETEROCYCLIC CHEMISTRY | 2006年 / 43卷 / 06期
关键词：
D O I：
10.1002/jhet.5570430634
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The reaction of 2-diazo-1,2-diarylethanones with benzophenone N-(diaryl)acyl hydrazones leads to the formation of 1,3,4-oxadiazolines. The products have been characterized on the basis of satisfactory analytical and spectral (IR, H-1 and C-13 NMR, and Mass) data. The mechanism for the formation of products through the reaction of diarylketenes, generated in situ from thermal decomposition of the 2-diazo-1,2-diarylethanones, with imino nitrogen and intramolecular [2 + 3] dipolar cycloaddition is suggested.
引用
收藏
页码：1653 / 1656
页数：4
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