Synthesis of α-Substituted Cyclobutane β-Keto Esters
作者:Ina Kortmann、Bernhard Westermann
DOI:10.1055/s-1995-4037
日期:1995.8
The title compounds, α-substituted β-keto esters 4, were prepared from suitably substituted cyclopropylideneacetates 2 by epoxidation and Wagner-Meerwein rearrangement. The highly strained oxaspiro[2.2]pentane intermediate 3 was isolated.