A 型 μ-卡宾配合物的卤化反应：μ-卤卡宾的合成。

Halogenation of A-frame μ-carbido complexes: synthesis of μ-halocarbynes.

机构信息

Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australian Capital Territory, Australia.

出版信息

Chem Commun (Camb). 2019 Feb 5;55(12):1734-1737. doi: 10.1039/c8cc09692a.

DOI:10.1039/c8cc09692a

PMID:30657478

Abstract

The reaction of [Rh2(μ-C)Cl2(PPh3)4] with bis(diphenylphosphino)methane (dppm) affords the A-frame μ-carbido complex [Rh2(μ-C)Cl2(μ-dppm)2], halide metathesis of which provides [Rh2(μ-C)Br2(μ-dppm)2]. The reactions of the former with PhICl2 or the latter with [pyH][Br3] provide rare examples of μ2-halocarbyne ligands in the complexes [Rh2(μ-CX)(μ-X)X4(μ-dppm)2] (X = Cl, Br).

摘要

[Rh2(μ-C)Cl2(PPh3)4]与双(二苯基膦)甲烷(dppm)反应得到 A 型 μ-卡宾配合物[Rh2(μ-C)Cl2(μ-dppm)2]，其卤化物交换反应得到[Rh2(μ-C)Br2(μ-dppm)2]。前者与 PhICl2或后者与[pyH][Br3]反应提供了[Rh2(μ-CX)(μ-X)X4(μ-dppm)2]（X = Cl，Br）配合物中μ2-卤代卡宾配体的罕见实例。