A simple stereoselective synthesis of enantiopure 2-substituted pyrrolidines and piperidines from chiral (R)-phenylglycinol-derived bicyclic 1,3-oxazolidines

被引:0
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作者
Andrés, JM [1 ]
Herráiz-Sierra, I [1 ]
Pedrosa, R [1 ]
Pérez-Encabo, A [1 ]
机构
[1] Univ Valladolid, Fac Ciencias, Dept Quim Organ, E-47011 Valladolid, Spain
关键词
asymmetric synthesis; nitrogen heterocycles; heterocycles; pyrrolidines; piperidines;
D O I
暂无
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Chiral, nonracemic 2-substituted pyrrolidines and piperidines were prepared in high ee and moderate to good chemical yields in three steps from (R)-phenylglycinol and gamma- or delta-chloroketones. The key step of the synthesis was the stereo-selective reductive ring-opening of chiral bicyclic 1,3-oxazolidines prepared by condensation of (R)-phenylglycinol and the corresponding ketones.
引用
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页码:1719 / 1726
页数:8
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