Synthesis and ligand properties of a stable five-membered-ring vinylidenephosphorane

被引：18

作者：

Asay, Matthew ^{[1
,2
]}

Kato, Tsuyoshi ^{[1
]}

Saffon-Merceron, Nathalie ^{[1
]}

Cossio, Fernando P. ^{[3
]}

Baceiredo, Antoine ^{[1
]}

Bertrand, Guy ^{[2
]}

机构：

[1] Univ Toulouse 3, Lab Heterochim Fondamentale & Appl, CNRS, UMR 5069, F-31062 Toulouse 9, France

[2] Univ Calif Riverside, UCR CNRS, Joint Res Chem Lab UMI 2957, Dept Chem, Riverside, CA 92521 USA

[3] Univ Pais Vasco Euskal Herriko Unibertsitatea, Fac Quim, Dept Quim Organ 1, San Sebastian, Spain

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 39期

关键词：

allenes; carbenes; ligands; phosphorus; ylides;

D O I：

10.1002/anie.200802741

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Best of both worlds: Related to carbodiphosphoranes and carbodicarbenes (bent allenes), a cyclic vinylidenephosphorane has been isolated and is stable at room temperature (see scheme). It features a very long phosphorus ylide bond, much longer than in the acyclic version, which leaves the carbon lone pair fully available. Accordingly, this species behaves as a strong electron-donating ligand, giving rise to very robust transition-metal complexes. (Chemical Equation Presented). © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：7530 / 7533

页数：4

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