Cyclopropanone equivalents. Formation of 1-pyrrolizidione by a dicyclopropyl imine rearrangement.
作者:Harry H. Wasserman、Robert P. Dion
DOI:10.1016/s0040-4039(00)87120-8
日期:1982.1
A dicyclopropyl ketimine may be formed by the addition of cyclopropyllithium to 1-cyano-1-piperidinocyclopropane. Rearrangement of the ketimine takes place under acid catalysis to form 1-pyrrolizidinone.