Ring-Expanding Reaction of Cyclopropyl Amides with Triphenylphosphine and Carbon Tetrahalide
作者:Yong-Hua Yang、Min Shi
DOI:10.1021/jo0516988
日期:2005.10.1
prepared in situ in the presence of 2 equiv of PPh3 and 1 equiv of CX4, and the ring-expanding products (N-substituted pyrrolidin-2-ones) were obtained in good yields. The reaction mechanism was investigated on the basis of oxygen-18tracer experiment.