Issue 48, 2011

Formation of a cationic alkylidene complex via formal hydride abstraction: synthesis and structural characterization of [W(PMe3)42-CHPMe2)H]X (X = Br, I)

Abstract

W(PMe3)42-CH2PMe2)H reacts with aryl halides to give the alkylidene complex, [W(PMe3)42-CHPMe2)H]+, which reacts with LiAlD4 to give selectively W(PMe3)42-CHDPMe2)H, in which the deuterium resides in the methylene group; subsequent migration of deuterium from the methylene group provides a means to measure the rate constant for the formation of the 16-electron species [W(PMe3)5] from W(PMe3)42-CH2PMe2)H.

Graphical abstract: Formation of a cationic alkylidene complex via formal hydride abstraction: synthesis and structural characterization of [W(PMe3)4(η2-CHPMe2)H]X (X = Br, I)

Supplementary files

Article information

Article type
Communication
Submitted
02 Sep 2011
Accepted
11 Oct 2011
First published
02 Nov 2011

Chem. Commun., 2011,47, 12828-12830

Formation of a cationic alkylidene complex via formal hydride abstraction: synthesis and structural characterization of [W(PMe3)42-CHPMe2)H]X (X = Br, I)

A. Sattler and G. Parkin, Chem. Commun., 2011, 47, 12828 DOI: 10.1039/C1CC15457E

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