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Issue 13, 1974
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Preparation of platinum π-olefin complexes from bis(l,5-diphenylpenta-1,4-dien-3-one)platinum(0)

Walter J. Cherwinski,  Brian F. G. Johnson  and  Jack Lewis 

Abstract

Zerovalent platinum olefin and acetylene complexes Pt(OL)L2 have been isolated for OL = C2Cl4, C2F4, CF3C[triple bond, length half m-dash]CCF3, (CF3)2CO, and CS2(but not for non-activated olefins) for a variety of phosphine and arsine ligands L from a reaction with the air-stable derivative bis(1,5 diphenylpenta-1,4-dien-3-one), Pt(dpo)2. An intermediate complex, Pt(dpo)L2, involving metal co-ordination to one double bond of the diene ligand, undergoes olefin displacement by OL to give the same derivatives. 1H and 13C N.m.r. spectra for the products Pt(dpo)L2 and 19 F n.m.r. spectra for the species Pt(OL)(PEt3)2 where OL = C2F4 and CF3C[triple bond, length half m-dash]CCF3 are reported.

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Article type: Paper
DOI: 10.1039/DT9740001405
Citation: J. Chem. Soc., Dalton Trans., 1974,0, 1405-1409
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    Preparation of platinum π-olefin complexes from bis(l,5-diphenylpenta-1,4-dien-3-one)platinum(0)

    W. J. Cherwinski, B. F. G. Johnson and J. Lewis, J. Chem. Soc., Dalton Trans., 1974, 0, 1405
    DOI: 10.1039/DT9740001405

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