Enantioselective Aza-Michael Addition to Conjugated Nitroenynes Catalyzed by Chiral Arylaminophosphonium Barfates

[摘要]：Enantioselective aza-Michael addition to conjugated nitroenynes has been developed. P-Spiro heterochiral arylaminophosphonium barfate 1b.BArF effectively catalyzes the reaction, and the corresponding conjugate adducts, beta-amino homopropargylic nitro compounds, are obtained in good chemical yields with high enantioselectivities.

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