Enantioselective Synthesis of Functionalized Pyrazoles by NHC-Catalyzed Reaction of Pyrazolones with α,β-Unsaturated Aldehydes
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https://figshare.com/articles/dataset/Enantioselective_Synthesis_of_Functionalized_Pyrazoles_by_NHC_Catalyzed_Reaction_of_Pyrazolones_with_Unsaturated_Aldehydes/2184355
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资源简介：
The
N-heterocyclic carbene (NHC)-organocatalyzed enantioselective
annulation reaction of pyrazolones with α,β-unsaturated
aldehydes proceeding via the chiral α,β-unsaturated acyl
azolium intermediates under oxidative conditions is presented. The
reaction afforded dihydropyranone-fused pyrazoles in moderate to good
yields and good er values under operationally simple and base-free
conditions.
创建时间：
2016-02-14
