Pushing the limits of electron donation for cis-chelating ligands via an alliance of phosphonium ylide and anionic abnormal NHC†

IF 4.3 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemical Communications Pub Date : 2025-01-02 DOI:10.1039/d4cc06177b
Mustapha El Kadiri , Abdelhaq Cherradi , Oleg A. Filippov , Carine Duhayon , Vincent César , Elena S. Shubina , Mohammed Lahcini , Dmitry A. Valyaev , Yves Canac
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Abstract

The grafting of a –(CH2)2PR3+ moiety on an NHC ligand backbone in the Mn(i) complex [Cp(CO)2Mn(IMes)] followed by double deprotonation opens a route to bidentate ligands with extreme electron-donating character. Such remarkable electronic properties can even allow intramolecular sp2 C–H functionalization in typically inert square-planar Rh(i) dicarbonyl complexes.

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通过酰基化磷和阴离子异常NHC的结合,突破了顺式螯合配体给电子的极限。
在Mn(I)配合物[Cp(CO)2Mn(IMes)]中,a -(CH2)2PR3+部分接枝在NHC配体主链上,然后进行双去质子化,开辟了一条获得具有极端供电子特性的双齿配体的途径。这种显著的电子性质甚至可以在典型的惰性方形平面Rh(I)二羰基配合物中允许分子内sp2 C-H功能化。
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来源期刊
Chemical Communications
Chemical Communications 化学-化学综合
CiteScore
8.60
自引率
4.10%
发文量
2705
审稿时长
1.4 months
期刊介绍: ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.
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