A New Class of Singlet Carbene Ligands

被引：35

作者：

Alcarazo, Manuel ^{[1
]}

Suarez, Rosa M. ^{[1
]}

Goddard, Richard ^{[1
]}

Fuerstner, Alois ^{[1
]}

机构：

[1] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2010年 / 16卷 / 32期

关键词：

allenes; carbenes; gold; rhodium; zwitterions; N-HETEROCYCLIC CARBENES; COMPLEXES; CHEMISTRY; ALLENES;

D O I：

10.1002/chem.201001779

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Figure Presented) What are you? Deprotonation of fluorenylidene phosphonium salts generates reactive intermediates that can be described as push-pull cumulenes or singlet carbenes (see scheme). Whereas the NMR data are ambiguous, the coordination behavior shows the ready availability of a lone pair at the central C atom. The donor ability of singlet carbene ligands of this new class exceeds that of the commonly used N-heterocyclic carbenes (NHCs). © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：9746 / 9749

页数：4

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