Palladium-catalyzed asymmetric intramolecular metallo-ene reaction using monodentate phosphines, 9-PBN and 9-NapBN.
[摘要]:The palladium-catalyzed asym. intramol. metallo-ene reaction of dienes using 9-PBN and 9-NapBN smoothly takes place in the presence of B(OAc)3 and/or NaBF4 at room temp. to afford the products with up to 51%ee, the best value in this area.
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