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Organomagnesium phosphanide "grignard" analogues - Synthesis, structural characterisation and solution behaviour of [BuMg{P(CH[SiMe 3]2)(C6H3-2-OMe-3R)}]2 [R = H, Me]

Lookup NU author(s): Dr Keith Izod, Emeritus Professor Bill Clegg, Dr Ross Harrington

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Abstract

The reaction between either one or two equivalents of the secondary phosphane {(Me3Si)2CH}PH(C6H 3-2-OMe-3-R′) [R′= H (1a), Me (1b)] and Bu2Mg yields the heteroleptic complexes [BuMg{P[CH(SiMe3) 2](C6H3-2-OMe-3-R′)}]2 [R′ = H (2a), Me (2b)], irrespective of the ratio of 1 to Bu 2Mg. X-ray crystallography shows that 2a and 2b crystallise as dimers containing a central Mg2P2 core. Dissolution of either 2a or 2b in THF results in complex degradation and formation of the tertiary phosphanes {(Me3Si)2CH]P(Me)(C6H 3-2-OMe-3-R′) and unidentified magnesium-containing products. © Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.


Publication metadata

Author(s): Blair S, Izod K, Clegg W, Harrington RW

Publication type: Article

Publication status: Published

Journal: European Journal of Inorganic Chemistry

Year: 2003

Issue: 18

Pages: 3319-3324

ISSN (print): 1434-1948

ISSN (electronic): 1099-0682

Publisher: Wiley-Blackwell Publishing

URL: http://dx.doi.org/10.1002/ejic.200300166

DOI: 10.1002/ejic.200300166


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