Abstract
A novel oxidative cyclization of alkenes with amines/alkyne esters or enaminone esters can be efficiently promoted by Mn(OAc)3, furnishing a series of polysubstituted 2,3-dihydropyrroles in moderate to excellent isolated yields (75–91%). Afterward addition of a suitable oxidant such as K2S2O8 can furnish efficient synthesis of the corresponding polysubstituted pyrroles in a one-pot pathway.
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