Potassium Hydroxide → HCID 19776911, compound

Participants

Reaction Steps

13.7 g (42 mmol) of the compound from Example 8 are heated overnight under reflux with 9.5 g (0.17 mol) of potassium hydroxide in 70 ml of ethanol. The mixture is concentrated in vacuo, the residue is dissolved in water, the solution is washed with ether, and the aqueous phase is acidified with acetic acid and washed with ether. This ether phase is washed with water, dried over sodium sulphate and concentrated in vacuo.

Provenance & Evidence