Synthetic Communications p. 757 - 761 (2014)
Update date:2022-08-05
Topics:
Descomps, Alexandre
Carlson, Rolf
The unstable ketones 1-bromo-3-buten-2-one, 1-bromo-3-butyn-2-one, and 1,3-dibromo-3-buten-2-one can be obtained from the corresponding acetals in high yields by treating the acetals with anhydrous iron (III) chloride suspended on dry silica. A simplified procedure for preparing the reagent is also given.
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