2,6-Dimethyl-4-pyranone → Tetrahydro-2,6-dimethyl-4H-pyran-4-one

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Reaction Steps

The 2,6-dimethyl 4-pyrone (2.0 g, 16.1 mmol) was dissolved in methanol (20 mL), degassed with nitrogen, 10% Pd on carbon was added, the reaction was charged to 50 psi hydrogen and shaken for 2 h. The reaction was filtered through Celite® and concentrated to give 2,6-dimethyl tetrahydo-4H-pyran-4-one (2.0 g, 100%) as an oil MS (M+H)+=129.

Provenance & Evidence