Replacement of a phosphine ligand in [WCl2(PhC2Ph)(PMe3)3] by PhC![[triple bond, length half m-dash]](https://www.rsc.org/images/entities/char_e007.gif)
CPh, PhCCH and HCCH, or reduction of [WCl3(PhC2Ph)(PMe3)2] in the presence of MeC2Me and Me(CH2)2C2Me yields mixed bis-alkyne complexes; under ethylene or propene the reduction reactions afford mixed alkyne–alkene complexes, and the structure of [WCl2(PhC2Ph)(CH2![[double bond, length half m-dash]](https://www.rsc.org/images/entities/char_e006.gif)
CH2)(PMe3)2] has been confirmed by X-ray crystallography.
G. R. Clark, A. J. Nielson, A. D. Rae and C. E. F. Rickard, J. Chem. Soc., Chem. Commun., 1992, 1069 DOI: 10.1039/C39920001069
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