Sodium Hydroxide → 56915-77-6

Participants

Reaction Steps

A mixture of 55.2 g. of o-fluoroacetophenone and 100 ml. of N-methyl-piperazine is heated at 95°-100° for 19 hours, then cooled and poured into 1600 ml. of water containing 22 ml. of 50% aqueous sodium hydroxide. The mixture is extracted with three 300 ml. portions of ether. The combined ether extract is washed thoroughly with water, then with saturated aqueous sodium chloride, dried and evaporated to give o-(4-methyl-1-piperazinyl)acetophenone as a viscous oil, suitable for use without further purification.

Provenance & Evidence