Halogenation of A-frame μ-carbido complexes: synthesis of μ2-halocarbynes

Harrison J. Barnett; Anthony F. Hill

doi:10.1039/c8cc09692a

Halogenation of A-frame μ-carbido complexes: synthesis of μ2-halocarbynes

Harrison J. Barnett, Anthony F. Hill

Research School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The reaction of [Rh-2(mu-C)Cl-2(PPh3)(4)] with bis(diphenylphosphino)-methane (dppm) affords the A-frame mu-carbido complex [Rh-2(mu-C)Cl-2(mu-dppm)(2)], halide metathesis of which provides [Rh-2(mu-C)Br-2(mu-dppm)(2)]. The reactions of the former with PhICl2 or the latter with [pyH][Br-3] provide rare examples of mu(2)-halocarbyne ligands in the complexes [Rh-2(mu-CX)(mu-X)X-4(mu-dppm)(2)] (X = Cl, Br).

Original language	English
Pages (from-to)	1734-1737
Number of pages	4
Journal	Chemical Communications
Volume	55
Issue number	12
DOIs	https://doi.org/10.1039/c8cc09692a
Publication status	Published - 11 Feb 2019

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title = "Halogenation of A-frame μ-carbido complexes: synthesis of μ2-halocarbynes",

abstract = "The reaction of [Rh-2(mu-C)Cl-2(PPh3)(4)] with bis(diphenylphosphino)-methane (dppm) affords the A-frame mu-carbido complex [Rh-2(mu-C)Cl-2(mu-dppm)(2)], halide metathesis of which provides [Rh-2(mu-C)Br-2(mu-dppm)(2)]. The reactions of the former with PhICl2 or the latter with [pyH][Br-3] provide rare examples of mu(2)-halocarbyne ligands in the complexes [Rh-2(mu-CX)(mu-X)X-4(mu-dppm)(2)] (X = Cl, Br).",

keywords = "Transition-metal-complexes, Bridged complexes, Crystal-structure, Carbon-monoxide, Ligands, Mo, Tetraphenylporphyrinate, Cations",

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T1 - Halogenation of A-frame μ-carbido complexes

T2 - synthesis of μ2-halocarbynes

AU - Barnett, Harrison J.

AU - Hill, Anthony F.

PY - 2019/2/11

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N2 - The reaction of [Rh-2(mu-C)Cl-2(PPh3)(4)] with bis(diphenylphosphino)-methane (dppm) affords the A-frame mu-carbido complex [Rh-2(mu-C)Cl-2(mu-dppm)(2)], halide metathesis of which provides [Rh-2(mu-C)Br-2(mu-dppm)(2)]. The reactions of the former with PhICl2 or the latter with [pyH][Br-3] provide rare examples of mu(2)-halocarbyne ligands in the complexes [Rh-2(mu-CX)(mu-X)X-4(mu-dppm)(2)] (X = Cl, Br).

AB - The reaction of [Rh-2(mu-C)Cl-2(PPh3)(4)] with bis(diphenylphosphino)-methane (dppm) affords the A-frame mu-carbido complex [Rh-2(mu-C)Cl-2(mu-dppm)(2)], halide metathesis of which provides [Rh-2(mu-C)Br-2(mu-dppm)(2)]. The reactions of the former with PhICl2 or the latter with [pyH][Br-3] provide rare examples of mu(2)-halocarbyne ligands in the complexes [Rh-2(mu-CX)(mu-X)X-4(mu-dppm)(2)] (X = Cl, Br).

KW - Transition-metal-complexes

KW - Bridged complexes

KW - Crystal-structure

KW - Carbon-monoxide

KW - Ligands

KW - Mo

KW - Tetraphenylporphyrinate

KW - Cations

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JF - Chemical Communications

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Halogenation of A-frame μ-carbido complexes: synthesis of μ2-halocarbynes

Abstract

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