The chemistry of 3‐ketotetrahydrofurans I: Syntheses of 3‐ketotetrahydrofuran by oxidation

Abstract
3‐Ketotetrahydrofuran (II) has been obtained spectroscopically as well as gas‐chromatographically pure. A major modification in the dichromate‐sulphuric acid oxidation of the starting alcohol (I) has almost doubled the yield to 60%.The chromium trioxide‐pyridine oxidation of (I) is described for the first time and yields as high as 70% are obtained. The NMR spectrum of (II) is reported.

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