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Highly Regio- and Stereoselective Heck Reaction of Allylic Esters with Arenediazonium Salts: Application to the Synthesis of Kavalactones

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journal contribution
posted on 20.08.2009, 00:00 by Angélica Venturini Moro, Flávio Sega Pereira Cardoso, Carlos Roque Duarte Correia
A highly efficient palladium-catalyzed Heck reaction of allylic esters with arenediazonium salts is described. The reaction proceeds under mild conditions, with excellent to total regio- and stereochemical control and with retention of the traditional leaving group. Furthermore, the generality of the present methodology is illustrated by the short total synthesis of the natural kavalactones, yangonine, (±)-methysticin, and (±)-dihydromethysticin.

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