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Synthesis and decarbonylation chemistry of gallium phosphaketenes

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Abstract

A series of gallium phosphaketenyl complexes supported by a 1,2-bis(aryl-imino)acenaphthene ligand (Dipp-Bian) are reported. Photolysis of one such species induced decarbonylation to afford a gallium substituted diphosphene. Addition of Lewis bases, specifically trimethylphosphine and the gallium carbenoid Ga(Nacnac) (Nacnac = HC[C(Me)N-(C6H3)-2,6-iPr2]2), resulted in displacement of the phosphaketene carbonyl to yield base-stabilised phosphinidenes. In several of these transformations, the redox non-innocence of the Dipp-Bian ligand was found to give rise to radical intermediates and/or side-products.

Graphical abstract: Synthesis and decarbonylation chemistry of gallium phosphaketenes

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Article information


Submitted
10 Sep 2020
Accepted
12 Oct 2020
First published
13 Oct 2020

This article is Open Access

Dalton Trans., 2020, Advance Article
Article type
Paper

Synthesis and decarbonylation chemistry of gallium phosphaketenes

D. W. N. Wilson, W. K. Myers and J. M. Goicoechea, Dalton Trans., 2020, Advance Article , DOI: 10.1039/D0DT03174G

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