Water → Ketoisophorone

Participants

Reaction Steps

A 1-1 three-neck flask equipped with a gas inlet frit, a stirrer and an intensive condenser was charged with 350 ml of toluene, 350 g of isophorone, 11.4 g of H3 [P(Mo3O10)4 ]×H2O, 1.4 g of CuSO4 ·5H2O and 1.4 g of MoO3. After compressed air had been passed through at 110° C. for 90 hours, the reaction mixture was added a little at a time at 80° C. into 4 1 of boiling n-hexane. The mixture was then filtered, and the filtrate was concentrated in a rotary evaporator. The yellowish oil obtained by distillation at 97° C./13 mbar was converted into almost colorless crystals at -18° C. by addition of 10% by volume of n-hexane.

Provenance & Evidence