Zur Herstellung von 1,2,3‐Tricarbonylverbindungen aus 1,3‐Dicarbonylverbindungen. 27. Mitteilung über Reduktone und Tricarbonylverbindungen [1]

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Abstract
The synthesis of 22 substituted tricarbonyl compounds is reported. They were obtained either by oxidation of β‐dicarbonyl compounds with SeO2 or nitrous oxides or by oxidation of the α‐bromo‐β‐dicarbonyl compounds with DMSO. The procedures using SeO2 or DMSO are more rapid and give in general better yields than other methods described in the literature.