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 Carbonylative cycloadditions Cycloaddition carbonylative Cycloaddition with Intramolecular cycloadditions carbonyl ylide generation Ylides cycloaddition Ylides generation