SEARCH Articles Figures Tables 1.3- Dipolar cycloaddition nitronates 1.3- Dipolar reactions Cycloaddition ketones Cycloaddition reactions 1,3-dipolar Cycloadditions 1,3-dipolar reactions Ketones cycloaddition reactions Ketones cycloadditions Nitronates cycloadditions Nitrone 1,3-dipolar cycloaddition Nitrone reactions Nitrones 1,3-dipolar cycloadditions Nitrones cycloaddition Nitrones, cycloaddition reactions Nitrones, cycloadditions Nitrones, dipolar cycloaddition Nitrones, reactions