Boron Tribromide-Assisted Chiral Phosphoric Acid Catalyst for a Highly Enantioselective Diels–Alder Reaction of 1,2-Dihydropyridines
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https://figshare.com/articles/dataset/Boron_Tribromide_Assisted_Chiral_Phosphoric_Acid_Catalyst_for_a_Highly_Enantioselective_Diels_Alder_Reaction_of_1_2_Dihydropyridines/2117128
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资源简介：
BBr3–chiral phosphoric acid complexes are highly
effective and practical Lewis acid-assisted Brønsted acid (LBA)
catalysts for promoting the enantioselective Diels–Alder
(DA) reaction of α-substituted acroleins and α-CF3 acrylate. In particular, the DA reaction of α-substituted
acroleins with 1,2-dihydropyridines gave the corresponding optically
active isoquinuclidines with high enantioselectivities. Moreover,
transformations to the key intermediates of indole alkaloids, catharanthine
and allocatharanthine, are demonstrated.
创建时间：
2016-02-12
