反应详情

To a mixed solution of 200 ml of ethyl alcohol and 185 ml of 1 N hydrochloric acid was added 50.0 g of 2-(1-piperazinyl)-5-n-propylbenzenesulfonic acid and the mixture was dissolved by heating. The mixture was condensed under reduced pressure, and precipitated crystals were washed with acetone and dried to give 51.46 g (yield: 95.4%) of the above title product.

1. dissolutionthe mixture was dissolved
2. temperatureby heating
3. customcondensed under reduced pressure
4. customprecipitated crystals
5. washwere washed with acetone
6. customdried