Ha. Dondas et al., X=Y-ZH SYSTEMS AS POTENTIAL 1,3-DIPOLES .48. ENANTIOPURE CYCLOADDUCTSFROM OXIME-NITRONE-ISOXAZOLIDINE CASCADES, Tetrahedron, 53(42), 1997, pp. 14339-14354
Enantiopure cycloadducts have been prepared in good yield via oxime-ni
trone-isoxazolidine cascade reactions involving the nucleophilic openi
ng of enantiopure epoxides with oximes followed by 1,3-dipolar cycload
dition reactions with suitable dipolarophiles. (C) 1997 Elsevier Scien
ce Ltd.