A Convenient Metal-Free Synthesis of (E)-3-Styrylisocoumarins through Annulation of (E)-1,4-Diarylenynes

Abstract A metal-free procedure for the cyclization of ( E )-1,4-di­arylenynes is described. The reaction is promoted by a catalytic amount of p -toluenesulfonic acid and takes place in ethanol at 160 °C under microwave irradiation to afford stereoselectively ( E )-3-styrylisocoumarins in good to ex...

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Veröffentlicht in:	Synthesis (Stuttgart) 2016-10, Vol.48 (19), p.3382-3392
Hauptverfasser:	Zhao, Guangkuan, Yuan, Ling-Zhi, Roudier, Mylène, Peyrat, Jean-François, Hamze, Abdallah, Brion, Jean-Daniel, Provot, Olivier, Alami, Mouad
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Chemical Sciences Organic chemistry
Online-Zugang:	Volltext
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