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Unusual reactivity of selenoboranes towards epoxides: New selective routes to beta- hydroxyselenides and allylalcohols
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Selenoboranes react with terminal, α, β-di- and trisubstituted epoxides to produce β-hydroxyselenides (or olefins) in the two first cases and allyl alcohols in the last one. A very high stereodescrimination has been observed for α, β-bisubstituted epoxides: the cis epoxide being much more reactive.
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Pergamon- Elsevier Science, Ltd