Evidence for equilibrium between N-substituted 3-phosphorylidenepyrrolidine-2,5-diones and N-substituted maleimides and phosphines:: Thermal instability of the N-substituted phosphoranes

被引：3
|
作者：
Koszytkowska-Stawinska, M [1 ]
Sas, W [1 ]
机构：
[1] Warsaw Univ Technol, Fac Chem, PL-00664 Warsaw, Poland
来源：
JOURNAL OF CHEMICAL RESEARCH-S | 1999年 / 12期
关键词：
D O I：
10.1039/a904433g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The formation of N-substituted 3-phosphorylidenepyrrolidine-2,5-diones from N-substituted maleimides and phosphines is reversible and at elevated temperature the phosphoranes behave as a source of maleimide derivatives which give the corresponding cycloadducts with nitrones and 1,3-dienes; a consequence of this equilibrium is the thermal instability of the ylides.
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收藏
页码：694 / 695A
页数：5
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