Tetraphosphabenzenes Obtained via a Triphosphacyclobutadiene Intermediate
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Author(s)
Cummins, Christopher C.
Piro, Nicholas A.
Date Issued
January 2009
Journal
Angewandte Chemie International Edition
Publisher
WILEY-VCH
Citation
Piro, N. and Cummins, C. (2009), Tetraphosphabenzenes Obtained via a Triphosphacyclobutadiene Intermediate. Angewandte Chemie International Edition, 48: 934–938. doi: 10.1002/anie.200804432
Version
Author's final manuscript
Abstract
An acyl triphosphirene ligand transfers an O atom to Nb to liberate the putative triphosphacyclobutadiene intermediate [RCP3{W(CO)5}2], which engages in [2+4]-cycloaddition reactions with an organic diene and a phosphaalkyne (see scheme; P orange, O red, W violet, C white). The latter reaction yields the Dewar isomer of a tetraphosphabenzene, which can be converted to a tetraphosphabenzvalene containing a Z-diphosphene.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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DOI of Published Version
https://doi.org/10.1002/anie.200804432
