SEARCH Articles Figures Tables Bonds imine Cycloaddition double Cycloaddition reactions bonds Cycloaddition reactions nitriles Double bonds 2+2]cycloaddition Double bonds, reactions Double imine Imine 2+2] cycloaddition Imine reaction Imines cycloaddition reactions Imines cycloadditions Imines, reactions Nitrile imine Nitrile imines 2 + 3]-cycloaddition reactions Nitrile imines cycloaddition Nitrile imines cycloadditions Nitrile imines, reactions Nitriles cycloaddition Nitriles cycloadditions Nitriles reactions Reaction double