Journal of Organic Chemistry p. 5545 - 5547 (1990)
Update date:2022-09-26
Topics:
Ishii, Yasutaka
Sakata, Yasuyuki
Internal alkynes underwent a novel oxidation with aqueous hydrogen peroxide catalyzed by peroxotungsten compounds under two-phase conditions using chloroform as the solvent, giving α,β-epoxy ketones and α,β-unsaturated ketones as principal products.The epoxidation of α,β-unsaturated ketones by this catalyst-oxidant system appeared to involve the electrophilic attack of the peroxo species to the double bond.
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