Synthesis and Rearrangement of Dispiro-Epoxy-β-Lactams
作者:Eric L. Williams
DOI:10.1080/00397919208019291
日期:1992.4
Abstract α-Methylene-β-lactams are prepared by a Peterson olefination reaction. These substrates can be epoxidized with MCPBA to give the title dispiro-epoxy-β-lactams. Under the influence of boron trifiuoride, these substrates rearrange to spiro-3-ketolactams.