Catalytic Asymmetric Aza-Michael−Michael Addition Cascade: Enantioselective Synthesis of Polysubstituted 4-Aminobenzopyrans
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https://figshare.com/articles/dataset/Catalytic_Asymmetric_Aza_Michael_Michael_Addition_Cascade_Enantioselective_Synthesis_of_Polysubstituted_4_Aminobenzopyrans/2691037
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A catalytic asymmetric aza-Michael−Michael addition cascade of anilines to nitroolefin enoates in the presence of chiral bifunctional thiourea catalysts has been disclosed. This reaction provides a mild and efficient approach to polysubstituted chiral 4-aminobenzopyrans bearing three consecutive stereocenters in high yields with excellent stereoselectivities.
创建时间：
2016-02-23
