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Issue 3, 2020
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Avenue to phosphaalkenes from Ph3GePCO

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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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29 Nov 2019
12 Dec 2019
First published
16 Dec 2019

Dalton Trans., 2020,49, 885-890
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Avenue to phosphaalkenes from Ph3GePCO

K. M. Szkop, A. R. Jupp, H. Razumkov and D. W. Stephan, Dalton Trans., 2020, 49, 885
DOI: 10.1039/C9DT04590B

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