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A “masked” source for the phosphaalkene MesP=CH2: Trapping, rearrangement, and oligomerization

A “masked” source for the phosphaalkene MesP=CH2: Trapping, rearrangement, and oligomerization We report the attempted synthesis of a “masked” phosphaalkene by treating MgA·3THF (A = anthracenide) with MesPCl(CH2Cl). Although the desired “masked” phosphaalkene could not be isolated, indirect evidence for its formation was obtained. The product of trapping MesP=CH2 with 1,3‐cyclohexadiene was detected. In addition, the oxide MesPO(Me)A was isolated and crystallographically characterized from the MgA·3THF and MesPCl(CH2Cl) experiment described above. Finally, the attempted isolation of “masked” phoshaalkene afforded P‐containing oligomers with a trimodal molecular weight distribution [Mn = 640, 1.7 × 103 and 7.4 × 103 Da]. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Heteroatom Chemistry Wiley

A “masked” source for the phosphaalkene MesP=CH2: Trapping, rearrangement, and oligomerization

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Publisher
Wiley
Copyright
"Copyright © 2018 Wiley Periodicals, Inc."
ISSN
1042-7163
eISSN
1098-1071
DOI
10.1002/hc.21474
Publisher site
See Article on Publisher Site

Abstract

We report the attempted synthesis of a “masked” phosphaalkene by treating MgA·3THF (A = anthracenide) with MesPCl(CH2Cl). Although the desired “masked” phosphaalkene could not be isolated, indirect evidence for its formation was obtained. The product of trapping MesP=CH2 with 1,3‐cyclohexadiene was detected. In addition, the oxide MesPO(Me)A was isolated and crystallographically characterized from the MgA·3THF and MesPCl(CH2Cl) experiment described above. Finally, the attempted isolation of “masked” phoshaalkene afforded P‐containing oligomers with a trimodal molecular weight distribution [Mn = 640, 1.7 × 103 and 7.4 × 103 Da].

Journal

Heteroatom ChemistryWiley

Published: Dec 1, 2018

Keywords: ; ; ; ;

References