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The unexpected chemistry of a bis(phospholyl)acetylene

✍ Scribed by Matthew P. Duffy; Bruno Donnadieu; François Mathey

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
227 KB
Volume
19
Category
Article
ISSN
1042-7163

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✦ Synopsis

Abstract

The reaction of lithium 3,4‐dimethyl‐phospholide with tetrachloroethylene gives the corresponding 1,2‐bis(phospholyl)acetylene that has been characterized by X‐ray crystal structure analysis of its bis(pentacarbonylmolybdenum) complex. The reaction with sulfur leads to the corresponding disulfide that spontaneously undergoes a self‐condensation via a Diels‐‐Alder cycloaddition between the CC triple bond and the phosphole dienic system giving, after aromatization by loss of the phosphorus bridge, the corresponding 1,2‐bis(phospholyl)benzene. © 2008 Wiley Periodicals, Inc. Heteroatom Chem 19:537–541, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20457

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