Preparation of Polysubstituted Isochromanes by Addition of <i>ortho</i>-Lithiated Aryloxiranes to Enaminones
作者:Antonio Salomone、Filippo Maria Perna、Francesca Claudia Sassone、Aurelia Falcicchio、Jure Bezenšek、Jurij Svete、Branko Stanovnik、Saverio Florio、Vito Capriati
DOI:10.1021/jo401689e
日期:2013.11.1
The reaction of ortho-lithiated aryloxiranes with various enaminones straightforwardly affords new functionalized isochromanes as mixtures of two epimeric stereoisomers in reasonable to very good yields (50–90%). The two diastereomers, which show a high structural variability, can be easily separated by column chromatography.
邻位锂化的芳基环氧乙烷与各种烯胺酮的反应直接提供了两种功能异构立体异构体的混合物形式的新型官能化异苯并二氢吡喃,产率合理至非常高(50-90%)。表现出高结构变异性的两种非对映异构体可以通过柱色谱法轻松分离。