2004

Multi-membered O,S-heterocyclesR 0691 The Furan Approach to Oxacycles: Synthesis of Medium-Size 2,3-Disubstituted

Oxacycles. — The synthesis of title compounds (XI) is based on the oxidation of furans (VI) with singlet oxygen followed by an intramolecular Michael addition as the key steps. — (PEREZ, M.; CANOA, P.; GOMEZ, G.; TERAN, C.; FALL*, Y.; Tetrahedron Lett. 45 (2004) 27, 5207-5209; Dep. Quim. Org., Univ. Vigo, E-36200 Vigo, Spain; Eng.) — Mais

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