ChemInform Abstract: Cycloaddition Reactions of 3-Ethoxycarbonyl-2H-cyclohepta[b]furan-2-one with 6,6-Dialkyl, Cycloalkyl, and Diaryl Pentafulvenes.
Abstract
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ChemInform Abstract
Competing [8 + 2] and [4 + 2] modes of addition are observed in the title reactions. MNDO and AM1 calculations are carried out to explain the results.