Highly Enantioselective Rhodium-Catalyzed [2+2+2] Cycloaddition of Diynes to Sulfonimines

Amatore M; Leboeuf D; Malacria M; Gandon V; Aubert C

Journal of the American Chemical Society, Vol.135, No.12, 4576-4579, 2013

Amatore M, Leboeuf D, Malacria M, Gandon V, Aubert C

A new asymmetric [2+2+2] cycloaddition of diynes to sulfonimines under rhodium catalysis that provides the corresponding enantioenriched 1,2-dihydropyridines in good yields is described.