1. The reaction of α- and ω-methylenelactams with nitrones. Influence of electronic and geometric factors on the stereoselectivity of their 1,3-dipolar cycloaddition Séverinne Rigolet,Jean Marie Mélot,Joel Vébrel,Angèle Chiaroni,Claude Riche J. Chem. Soc. Perkin Trans. 1 2000 1095