Article Dans Une Revue SYNLETT Année : 2006

New N-substituted dipolarophiles in 1,3-dipolar cycloaddition of nitrones

Résumé

(N-Vinyl)-1,3-oxazolidin-2-ones, -1,3-oxazolidine-2-thi-ones and -N′-methylimidazolidin-2-one were conveniently used as new dipolarophiles in thermal 1,3-dipolar cycloaddition involving activated nitrones, and led to new 5-N-substituted isoxazolidines in high yields. A moderate to total trans-diastereoselectivity was observed, increasing with the degree of substitution at C-4.

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Dates et versions

hal-00118879 , version 1 (06-12-2006)

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T .B. Nguyen, Catherine Gaulon-Nourry, Teddy Chapin, Sébastien Tardy, A. Tatibouët, et al.. New N-substituted dipolarophiles in 1,3-dipolar cycloaddition of nitrones. SYNLETT, 2006, 19, pp.3255-3258. ⟨10.1055/s-2006-951545⟩. ⟨hal-00118879⟩
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