Issue 17, 1987
From the journal:

Journal of the Chemical Society, Chemical Communications

The first stable transition metal (molybdenum or tungsten) complexes having a metal–phosphorus(III) double bond: the phosphorus analogues of metal aryl- and alkyl-imides; X-ray structure of [Mo(η-C5H5)2([double bond, length half m-dash]PAr)](Ar = C6H2But3-2,4,6)

Peter B. Hitchcock,   Michael F. Lappert  and  Wing-Por Leung  

Abstract

Arylphosphinylidenemetal complexes [M(η-C5H5)2([double bond, length half m-dash]PAr)][M = Mo (1) or W (2), Ar = C6H2But3-2,4,6] and an alkyl analogue [W(η-C5H5)2([double bond, length half m-dash]PR)][R = CH(SiMe3)2(3)] have been prepared from [{M(η-C5H5)2HLi}4] and PCl2R′(R′= Ar or R), and show low-field 31P chemical shifts: δ(31P{1H})(C6D6)(1)+ 799.5 [J(31P–1H) 4 Hz (involving only one of the two C5H5 rings)]; (2)+666.1 [J(31P–183W) 153.5 Hz, J(31P–1H) 4 Hz]; and (3)+679.6 [J(31P–183W) 144.1 Hz]. Compound (1) has an Mo–P bond length of 2.370(2)Å and a Mo–P–C bond angle of 115.8(2)°.

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Article information

DOI
https://doi.org/10.1039/C39870001282
Article type
Paper

J. Chem. Soc., Chem. Commun., 1987, 1282-1283

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The first stable transition metal (molybdenum or tungsten) complexes having a metal–phosphorus(III) double bond: the phosphorus analogues of metal aryl- and alkyl-imides; X-ray structure of [Mo(η-C5H5)2([double bond, length half m-dash]PAr)](Ar = C6H2But3-2,4,6)

P. B. Hitchcock, M. F. Lappert and W. Leung, J. Chem. Soc., Chem. Commun., 1987, 1282 DOI: 10.1039/C39870001282

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