Potassium Hydroxide → CID 87191335

Participants

Reaction Conditions

Reaction Steps

To a solution of Example 7a (5.72 g, 15 mmol) in 60 mL ethanol/water (5/1) was added powdered KOH (2 g, 35 mmol). The resulting solution was heated at 40° C. for 2 hours. Most of the solvent was removed in vacuo, and the residue was diluted with ethyl acetate. A solid was filtered from the material and discarded. The organics were washed with water, brine, dried over MgSO4, filtered, and concentrated. The crude material was triturated with dichloromethane and filtered, giving 3.5 g of the title compound as a white solid. MS (ESI+) m/z 263.6 (M+H)+.

Provenance & Evidence