Phospha-Michael-Type Reactions between 1,2-Diaza-1,3-dienes and Bidentate Nucleophiles: Formation of New Mono- and Diylides and their Elaboration to Heterocycles

Boga, Carla; Zanna, Nicola; Attanasi, O. A.; Baccolini, Graziano; De Crescentini, L.; Forlani, Luciano; Mantellini, F.; Nicolini, S.; Micheletti, Gabriele; Tozzi, Silvia

doi:10.1002/ejoc.201001453

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Phospha-Michael additions of a series of methylene-bridged phosphorus bidentate nucleophiles to 1,2-diaza-1,3-dienes gave monoadducts and bisadducts in high yields under mild conditions. In particular, a series of new ylides and symmetrical diylides have been obtained from bis(diphenyl)phosphanes. The use of diphenylphosphanylamino derivatives gave, through phospha-Michael addition, ylide intermediates that underwent spontaneous intramolecular attack by the amino group belonging to the Michael donor reagent moiety, thus giving access to new heterocycles.

Titolo:	Phospha-Michael-Type Reactions between 1,2-Diaza-1,3-dienes and Bidentate Nucleophiles: Formation of New Mono- and Diylides and their Elaboration to Heterocycles
Autore/i:	BOGA, CARLA; ZANNA, NICOLA; O. A. Attanasi; BACCOLINI, GRAZIANO; L. De Crescentini; FORLANI, LUCIANO; F. Mantellini; S. Nicolini; MICHELETTI, GABRIELE; TOZZI, SILVIA
Autore/i Unibo:	BOGA, CARLA ZANNA, NICOLA O. A. Attanasi BACCOLINI, GRAZIANO L. De Crescentini FORLANI, LUCIANO F. Mantellini S. Nicolini MICHELETTI, GABRIELE TOZZI, SILVIA mostra contributor esterni nascondi contributor esterni
Anno:	2011
Rivista:	EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Digital Object Identifier (DOI):	10.1002/ejoc.201001453
Abstract:	Phospha-Michael additions of a series of methylene-bridged phosphorus bidentate nucleophiles to 1,2-diaza-1,3-dienes gave monoadducts and bisadducts in high yields under mild conditions. In particular, a series of new ylides and symmetrical diylides have been obtained from bis(diphenyl)phosphanes. The use of diphenylphosphanylamino derivatives gave, through phospha-Michael addition, ylide intermediates that underwent spontaneous intramolecular attack by the amino group belonging to the Michael donor reagent moiety, thus giving access to new heterocycles.
Data prodotto definitivo in UGOV:	2013-06-06 15:06:18
Appare nelle tipologie:	1.01 Articolo in rivista

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http://hdl.handle.net/11585/98509

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