Synthesis of heteropolynuclear complexes with 1,1,1-tris(diphenylphosphinomethyl)ethane. Crystal structure of [(OC)4Mo{(Ph2PCH2)2CMe(CH2PPh2)}AuCl]

  1. Fernández, E.J. 1
  2. Gimeno, M.C. 2
  3. Jones, P.G. 3
  4. Laguna, A. 2
  5. Laguna, M. 2
  6. Olmos, E. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Instituto de Nanociencia y Materiales de Aragón
    info

    Instituto de Nanociencia y Materiales de Aragón

    Zaragoza, España

    ROR https://ror.org/031n2c920

  3. 3 Braunschweig University of Technology
    info

    Braunschweig University of Technology

    Brunswick, Alemania

    ROR https://ror.org/010nsgg66

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Journal:
Journal of the Chemical Society-Dalton Transactions

ISSN: 0300-9246

Year of publication: 1996

Volume: 17

Pages: 3603-3608

Type: Article

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DOI: 10.1039/DT9960003603 SCOPUS: 2-s2.0-33748603741 WoS: WOS:A1996VH90700017 GOOGLE SCHOLAR

More publications in: Journal of the Chemical Society-Dalton Transactions

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Abstract

Treatment of [M(CO)4{(Ph2PCH2)2CMe(CH 2PPh2)}] (M = Mo or W) with neutral or cationic gold-(I) or -(III) derivatives afforded bi- or tri-nuclear complexes containing the triphosphine (Ph2PCH2)3CMe (tdppme) acting as a μ-P,P′,P″ ligand, a co-ordination mode poorly represented thus far. The binuclear derivative [(OC)4Mo(tdppme)AuCl] further reacts with 1 equivalent of Tl(acac) (acac = acetylacetonate) to afford [(OC)4Mo(tdppme)Au(acac)]. This complex acts as a deprotonating agent in reactions with various starting materials containing phosphines such as (Ph2P)2CH2 or (Ph2P)3CH, leading to the formation of trinuclear methanide complexes. The crystal structure of [(OC)4Mo(tdppme)AuCl] has been established by X-ray crystallography.