Cycloaddition reactions of 3-ethoxycarbonyl-2H-cyclohepta[b]furan-2-one with 6,6-dialkyl, cycloalkyl and diaryl pentafulvenes

[摘要] Competing [8+2] and [4+2] modes of additin of 3-ethoxycarbonyl-2H-cyclohepta[b]furan-2-one with dialkyl, cycloalky and diaryl pentafulvenes are described. (C) 1997 Elsevier Science Ltd.

[发布日期] 1997-11-17