环丙烷
化学
环加成
催化作用
对映选择合成
接受者
组合化学
有机化学
立体化学
戒指(化学)
凝聚态物理
物理
作者
Ming Bao,Michael P. Doyle
出处
期刊:Organic Letters
[American Chemical Society]
日期:2023-04-20
卷期号:25 (17): 3029-3033
被引量:6
标识
DOI:10.1021/acs.orglett.3c00831
摘要
A highly enantioselective preparation of substituted pyrrolidines and 1,2-oxazinanes has been achieved via stereoretentive [3 + 2]/[3 + 3]-cycloaddition of nonracemic donor-acceptor cyclopropanes with imines, triazines, and nitrones in good to high yields with broad scope under mild reaction conditions. In comparison with the well-documented approach to donor-acceptor cyclopropane reactions using racemic cyclopropane reactants and a catalyst with chiral ligands, this report features applications of enantioenriched donor-acceptor cyclopropanes as cycloadduct reactants with achiral catalysts.
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