A facile synthesis of novel ferrocene grafted spiro-indenoquinoxaline pyrrolizidines via one-pot multicomponent [3+2] cycloaddition of azomethine ylides
作者:A.R. Suresh Babu、D. Gavaskar、R. Raghunathan
DOI:10.1016/j.tetlet.2012.09.104
日期:2012.12
A facile one-pot synthesis of novel ferrocene grafted spiro-indenoquinoxaline pyrrolizidines via multicomponent-[3+2]-cycloaddition of azomethine ylides is described. The methodology is very simple and applicable to a wide variety of ferrocene derived dipolarophiles. The structures of cycloadducts were confirmed by spectroscopic analysis. X-ray analysis of one of the analogs, adds conclusive support
描述了一种新型的二茂铁接枝的螺-茚并喹喔啉吡咯并核苷通过多组分-[3 + 2]-环加成甲亚胺基化物的简便的一锅合成方法。该方法非常简单,可适用于各种二茂铁衍生的双亲性。通过光谱分析确认了环加合物的结构。对类似物之一进行X射线分析,为拟议结构增加了决定性支持。