SEARCH Articles Figures Tables Asymmetric reactions nitrile oxide cycloadditions, diastereoselectivity Cycloaddition /reactions diastereoselective Diels-Alder reaction Diastereoselective cycloaddition Diastereoselective reaction Diastereoselective reactions Diastereoselectivity Diastereoselectivity diazoalkane cycloaddition reactions Diastereoselectivity nitrile ylides, cycloaddition reactions Diastereoselectivity reaction Intramolecular cycloadditions asymmetric reactions, diastereoselectivity Nitriles cycloaddition reactions, diastereoselective