η3- and η7-Cycloheptatrienyltungsten chemistry: synthesis of [W (η5-C7H9)(η3-C7H7)(PMe3)2] and [W(η-C7H7)(η3-C7H11)(PMe3)]

Malcolm L. H. Green; Dileni K. Siriwardene; Dermot O’Hare; Luet‐Lok Wong

doi:10.1039/dt9880002851

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η³- and η⁷-Cycloheptatrienyltungsten chemistry: synthesis of [W (η⁵-C₇H₉)(η³-C₇H₇)(PMe₃)₂] and [W(η-C₇H₇)(η³-C₇H₁₁)(PMe₃)]

Malcolm L. H. Green Dileni K. Siriwardene Dermot O’Hare Luet‐Lok Wong

Year: 1988 Journal: Journal of the Chemical Society Dalton Transactions Pages: 2851-2854 Publisher: Royal Society of Chemistry

DOI: 10.1039/dt9880002851

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Abstract

The reaction of [W(PMe3)3H6] with cycloheptatriene at 80 °C gives the compounds [W(η5-C7H9)(η3-C7H7)(PMe3)2] and [W(η-C7H7)(η3-C7H11)(PMe3)] in moderate yields. [W(η5-C7H9)(η3-C7H7)(PMe3)2] reacts with carbon monoxide giving [W(η5-C7H9)(η3-C7H7)(CO)], both of which have been characterised using two-dimensional n.m.r. spectroscopy.

Keywords:

Cycloheptatriene Chemistry Carbon monoxide Spectroscopy Physics Stereochemistry

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η³- and η⁷-Cycloheptatrienyltungsten chemistry: synthesis of [W (η⁵-C₇H₉)(η³-C₇H₇)(PMe₃)₂] and [W(η-C₇H₇)(η³-C₇H₁₁)(PMe₃)]

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