Palladium-Mediated [2+1]Cycloaddition of Norbornene Derivatives with Ynamides

被引:29
|
作者
Clavier, Herve [1 ]
Lepronier, Aymeric [1 ]
Bengobesse-Mintsa, Nathalie [1 ]
Gatineau, David [1 ]
Pellissier, Helene [1 ]
Giordano, Laurent [1 ]
Tenaglia, Alphonse [1 ]
Buono, Gerard [1 ]
机构
[1] Aix Marseille Univ, CNRS, UMR 7313, iSm2, F-13397 Marseille, France
关键词
cycloaddition; cyclopropanes; norbornenes; palladium; phosphorus; ynamides; TOPOISOMERASE-I INHIBITORS; INTRAMOLECULAR CYCLOADDITION; AUSTRALIAN SPONGE; PHOSPHINE OXIDES; BICYCLIC ALKENES; AMPHIMIC ACIDS; FATTY-ACIDS; PRELIGANDS; ALKYNES; METHYLENECYCLOPROPANES;
D O I
10.1002/adsc.201200903
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
An efficient palladium-catalyzed [2+1]cycloaddition between ynamides and norbornenes or norbornadienes is reported. Both phosphapalladacycles and palladium/secondary phosphine oxide catalytic systems were found to be competent for the transformation allowing the preparation of aminomethylenecyclopropanes. The reaction showed general applicability to various functionalized bicyclo[2.2.1]hept-2-enes and ynamides. A chiral phosphapalladacycle was tested to carry out this transformation in an enantioselective fashion.
引用
收藏
页码:403 / 408
页数:6
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