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Issue 10, 1979
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Activation of sp2 and sp3 carbon–hydrogen bonds via thermolysis of bis(η-cyclopentadienyl)hydridomethyltungsten

Abstract

The methylhydride [W(η-C5H5)2Me(H)] has been prepared by treatment of the compounds [W(η-C5H5)2MeX], where X = I or OCOPh, with Na[AlH2(OCH2CH2OMe)2]. Thermal decomposition of [W(η-C5H5)2Me(H)] in benzene, fluorobenzene, p-xylene, trimethyl phosphite, methanol, or dimethyl (4-tolyl)phosphine evolves methane and the compounds [W(η-C5H5)2R(H)], where R = Ph, C6H4F-3 or -4, CH2C6H4Me-4, OP(OMe)2, OMe, or PH(C6H4Me-4) are formed. Treatment of [W(η-C5H5)2{PH(C6H4Me-4)}H] with methyl iodide gives [W(η-C5H5)2{PH (Me)(C6H4Me-4)}H]+. The oxidation of [W(η-C5H5)2Me2]+ which may be reduced to the parent dimethyl compound.

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Article information


J. Chem. Soc., Dalton Trans., 1979, 1557-1562
Article type
Paper

Activation of sp2 and sp3 carbon–hydrogen bonds via thermolysis of bis(η-cyclopentadienyl)hydridomethyltungsten

N. J. Cooper, M. L. H. Green and R. Mahtab, J. Chem. Soc., Dalton Trans., 1979, 1557
DOI: 10.1039/DT9790001557

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