Copper‐Catalyzed Preparation of γ‐Alkylidenebutenolides and Isocoumarins under Mild Palladium‐Free Conditions

A general and efficient copper(I)‐catalyzed cross‐coupling and heterocyclization reaction of terminal alkynes and β‐iodo‐α,β‐unsaturated acid derivatives has been developed under very mild conditions. This method provides easy access from good to excellent yields of a variety of 5‐ylidenebutenolides...

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Veröffentlicht in:	Advanced synthesis & catalysis 2009-03, Vol.351 (5), p.779-788
Hauptverfasser:	Inack‐Ngi, Samuel, Rahmani, Raphaël, Commeiras, Laurent, Chouraqui, Gaëlle, Thibonnet, Jérôme, Duchêne, Alain, Abarbri, Mohamed, Parrain, Jean‐Luc
Format:	Artikel
Sprache:	eng
Schlagworte:	alkynes Chemical Sciences copper cross‐coupling homogeneous catalysis lactones Organic chemistry
Online-Zugang:	Volltext
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