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Avenue to phosphaalkenes from Ph3GePCO

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Abstract

Reactions of Ph3GePCO with KP(t-Bu)2 and Ph3SiCl, or direct reaction with Ph3SiP(t-Bu)2 provides the (Z)- and (E)-isomers of the phosphaalkene (t-Bu2)PC(OSiPh3)P(GePh3) 2, respectively. These isomers interconvert thermally and photochemically, while 2 also undergoes silyl and phosphide exchange with silylphosphines, consistent with a mechanism involving the reversible silylphosphination of Ph3GePCO.

Graphical abstract: Avenue to phosphaalkenes from Ph3GePCO

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Article information


Submitted
29 Nov 2019
Accepted
12 Dec 2019
First published
16 Dec 2019

Dalton Trans., 2020, Advance Article
Article type
Paper

Avenue to phosphaalkenes from Ph3GePCO

K. M. Szkop, A. R. Jupp, H. Razumkov and D. W. Stephan, Dalton Trans., 2020, Advance Article , DOI: 10.1039/C9DT04590B

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