SEARCH Articles Figures Tables Cation 2 + 2-cycloaddition Cation cycloadditions Cycloadditions of the Oxyallyl Cation Cycloadditions with Oxyallyl Cations Oxyallyl cation Oxyallyl cation cycloadditions Oxyallyl cation cycloadditions Oxyallyl cations 4 + 3] cycloaddition reactions