Summary
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1.
In the oxidation of 1,5-diphenyl-3-pentadienone (IV) and of 1-cyclohexen-1-yl propenyl ketone (VI) with alkaline hydrogen peroxide, in each case two geometric isomers of the corresponding α-keto diepoxide were isolated.
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2.
It is suggested that the hydrogen peroxide oxidation reaction is accompanied by inversion of the configuration of the original α, β - unsaturated ketone.
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Nazarov, I.N., Arkhem, A.A. α-keto epoxides and their reactions Communication 7. Geometric isomerism in theα-keto diepoxide series. Russ Chem Bull 5, 1499–1503 (1956). https://doi.org/10.1007/BF01177531
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DOI: https://doi.org/10.1007/BF01177531