Diastereoselective Multicomponent Cascade Reaction Leading to [3.2.0]-Heterobicyclic Compounds
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https://figshare.com/articles/dataset/Diastereoselective_Multicomponent_Cascade_Reaction_Leading_to_3_2_0_Heterobicyclic_Compounds/2462215
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资源简介：
A general three-component triple cascade reaction through
an iminium–enamine–iminium
sequential activation initiated by a hetero-Michael addition to α,β-unsaturated
aldehydes affords [3.2.0]heterobicycles in high diastereoselectivity.
The rate and diastereoselectivity of the reaction depended on the
(E)-4-heterocrotonate and size of the secondary amine.
The enantiomers of the major diastereoisomer of oxa- and azabicyclo[3.2.0]heptane
derivatives were separated by enzymatic kinetic resolution with immobilized Candida antarctica Lipase
B (CALB), with E values up to 153. The absolute configuration
of the nonacylated enantiomer of oxabicyclo[3.2.0]heptane was determined
by single crystal X-ray analysis.
创建时间：
2012-12-07
