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一种新型叶立德稳定的卡宾;氨基(硫叶立德)卡宾的形成及其给电子能力

A novel ylide-stabilized carbene; formation and electron donating ability of an amino(sulfur-ylide)carbene.

作者信息

Kobayashi Junji, Nakafuji Shin-ya, Yatabe Atsushi, Kawashima Takayuki

机构信息

Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-0033 Tokyo, Japan.

出版信息

Chem Commun (Camb). 2008 Dec 14(46):6233-5. doi: 10.1039/b813454e. Epub 2008 Oct 14.

Abstract

A novel N-heterocyclic carbene, amino(sulfur-ylide)carbene, which is stabilized by electron donation from the carbanion of a sulfur ylide as well as a nitrogen atom, was generated and its Rh complex was synthesized; the electron donating properties of the amino(sulfur-ylide)carbene were investigated using the IR carbonyl stretching frequencies of the Rh complex, indicating a relatively strong electron-donating ability among reported carbenes.

摘要

一种新型的N-杂环卡宾,即氨基(硫叶立德)卡宾,它通过硫叶立德的碳负离子以及氮原子的电子给予作用而得以稳定,已被生成,并且其铑配合物也已合成;利用铑配合物的红外羰基伸缩频率对氨基(硫叶立德)卡宾的电子给予性质进行了研究,结果表明在已报道的卡宾中它具有相对较强的给电子能力。

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