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2005
Epoxidation
O 0218
09- 034
Microwave-Assisted Epoxidation of Hindered Homoallylic Alcohols Using
VO(acac)2: Application to Polypropionate Synthesis. — Hindered homoallylic
alcohols are converted into the corresponding epoxides using VO(acac)2 catalyst under
microwave irradiation. Compared to conventional heating, the reaction time is reduced
from 6 to 10 days to less than three hours. In most cases high diastereoselectivity is
observed for cis alkenol substrates. — (TORRES, G.; TORRES, W.; PRIETO*, J. A.;
Tetrahedron 60 (2004) 45, 10245-10251; Dep. Chem., Univ. Puerto Rico,
San Juan, PR 00931, P. R.; Eng.) — S. Adam
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