[2π+2σ] and [4π+2σ] Type Cycloaddition Reactions of Furan and Benzofurans with Benzocyclopropene
作者:Katsuhiro Saito、Hiraku Ishihara、Shinzo Kagabu
DOI:10.1246/bcsj.60.4141
日期:1987.11
Reactions of benzocyclopropene with furan and benzofuran afforded [2π+2σ]-type cycloaddition products, where the furans act as 2π-components and benzocyclopropene acts as a 2σ-component. A similar reaction with 1,3-diphenylisobenzofuran gave a [4π+2σ]-type cycloaddition product using the furan as a 4π-component.