SEARCH Articles Figures Tables 1,3-cycloaddition intramolecular Carbonyl intramolecular Carbonyl intramolecular cycloaddition Carbonyl ylide Carbonyl ylides generation Carbonyl ylides intramolecular -cycloaddition Carbonyl ylides, cycloaddition Carbonyl ylides, cycloaddition with intramolecular generation Carbonylative cycloadditions Cycloaddition carbonylative Ylides cycloaddition Ylides generation