SYNTHESIS AND CHIROPTICAL PROPERTIES OF AN OPTICALLY ACTIVE DOUBLY BRIDGED ALLENE. [8][10]SCREW[2]ENE
作者:Masao Nakazaki、Koji Yamamoto、Miharu Maeda
DOI:10.1246/cl.1981.1035
日期:1981.7.5
The dichlorocyclopropane derivative 6 prepared from 5 was treated with (−)-sparteine modified butyllithium to afford (+)-(R)-[8][10] doubly bridged allene (4) whose absolute configuration was assigned by its CD analysis.
由 5 制备的二氯环丙烷衍生物 6 用 (-)-sparteine 改性的丁基锂处理,得到 (+)-(R)-[8][10] 双桥联丙二烯 (4),其绝对构型由其 CD 分析指定。