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2005
Isoxazole derivatives
R 0240
3-Bromo-propenyl Acetate in Organic Synthesis: An Expeditious Route to
Isoxazolidines. — A two-step protocol is described
37- 128 3-Alkyl-4-acetoxy-5-iodomethyl
for the synthesis of isoxazolidines not accessible via 1,3-dipolar cycloaddition. The
synthetic sequence involves in situ O-silylation/acetoxyallylation of a C-alkyl nitrone
followed by iodocyclization. This approach is not successful for aryl-substituted substrates. — (LOMBARDO*, M.; RISPOLI, G.; LICCIULLI, S.; TROMBINI, C.;
DHAVALE, D. D.; Tetrahedron Lett. 46 (2005) 22, 3789-3792; Dip. Chim. "G.
Ciamician", Univ. Bologna, I-40126 Bologna, Italy; Eng.) — Mais
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