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2005
Furan derivatives
R 0060
Reaction of Silyl Ketene Acetals with Epoxides: A New Method for the Synthesis
γ-Butanolides. — TiCl4-mediated treatment of silyl ketene acetals with epoxides
02- 097 of
offers a new approach to γ-butanolides. The reaction with epihalohydrins proceeds
regiospecifically yielding γ-haloalkyl-γ-butanolides which can smoothly be converted
into various derivatives. In contrast, coupling with nonhalogenated epoxides generally
gives mixtures of regioisomers. — (MASLAK, V.; MATOVIC, R.; SAICIC*, R. N.;
Tetrahedron 60 (2004) 40, 8957-8966; Fac. Chem., Univ. Belgrade,
YU-11000 Belgrade, Yugoslavia; Eng.) — Jannicke
2005
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