Regioisomeric4-isoxazolines are formed by 1,3-dipolar cycloaddition of C-benzoyl-N-phenylnitrone to electron-deficient alkynes. The 4- and 5-substituted cycloadducts react in different modes under the same conditions yielding enaminoderivatives, via a novelrearrangement process, and amines, aziridines and 1,3-oxazolines according to the substitution pattern.
Rearrangement of regioisomeric 4-isoxazolines-the novel formation of enamine derivatives
OTTANA', Rosaria;ROMEO, Giovanni;
1988-01-01
Abstract
Regioisomeric4-isoxazolines are formed by 1,3-dipolar cycloaddition of C-benzoyl-N-phenylnitrone to electron-deficient alkynes. The 4- and 5-substituted cycloadducts react in different modes under the same conditions yielding enaminoderivatives, via a novelrearrangement process, and amines, aziridines and 1,3-oxazolines according to the substitution pattern.File in questo prodotto:
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