Phosphepines: Convenient access to phosphinidene complexes
…, DJ Gibney, AW Ehlers, M Schakel, M Lutz…
Index: Borst, Mark L. G.; Bulo, Rosa E.; Winkel, Christiaan W.; Gibney, Daniele J.; Ehlers, Andreas W.; Schakel, Marius; Lutz, Martin; Spek, Anthony L.; Lammertsma, Koop Journal of the American Chemical Society, 2005 , vol. 127, # 16 p. 5800 - 5801
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Citation Number: 49
Abstract
Reaction of o-diethynylbenzene with transition metal-complexed primary phosphines gives in a single base-induced step stable phosphepine complexes as confirmed by X-ray data. At 75-80° C these phosphepines undergo clean cheletropic elimination of naphthalene to give transient carbene-like phosphinidene complexes that can be trapped in high yield by alkenes, alkynes, and alcohols.
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