Diastereofacial selectivity in intermolecular nitrone cycloadditions to chiral allyl ethers. Application to Chiral Synthesis of Coniine
作者:Masayuki Ito、Masae Maeda、Chihiro Kibayashi
DOI:10.1016/0040-4039(92)80019-g
日期:1992.6
The intermolecular cycloadditions of a cyclic nitrone to chiral allyl ethers take place with erythro selectivity, where the degree of selectivity achieved is dependent upon the size of the alkyl substituent attached to the allylic chiral center, and these reactions are applied to the synthesis of optically active alkaloid coniine.
环硝酮与手性烯丙基醚的分子间环加成反应具有赤型选择性,其中达到的选择性程度取决于与烯丙基手性中心相连的烷基取代基的大小,这些反应适用于旋光活性的合成生物碱的甜菜碱。