An easy access to novel steroidal dispiropyrrolidines through 1,3-dipolar cycloaddition of azomethine ylides
作者:A.R. Suresh Babu、R. Raghunathan
DOI:10.1016/j.tetlet.2008.05.089
日期:2008.7
A facile one-pot synthesis of novel steroidal dispiropyrrolidines has been accomplished by 1,3-dipolar cycloaddition reaction of various azomethine ylides derived from isatin/acenaphthenequinone/ninhydrin and sarcosine with various estrone derivatives as dipolarophiles, in good yield. The effect of various solvents on the 1,3-dipolar cycloaddition reaction are also studied.
一种新型甾族二螺并吡咯烷酮的简便一锅合成方法已经实现,该方法通过各种衍生自Isatin / Acathphthenequinone / ninhydrin和sarcosine的偶氮甲碱与各种雌酮衍生物作为Dipolarophiles进行1,3-偶极环加成反应,从而获得了良好的收率。还研究了各种溶剂对1,3-偶极环加成反应的影响。