反应详情

200 g of 1-phenyl-2-acetoxy-cyclohex-3-ene-1-carboxylic acid-ethyl-ester are dissolved in 1 liter of 96% ethanol. The solution is charged with 190 g of HCl gas and heated under reflux for 2 hrs. The solvent is removed and the residue directly fractionated in the vacuum. b.p.°,1 130° C. Yield: 169 g.

1. temperatureheated
2. temperatureunder reflux for 2 hrs
3. customThe solvent is removed
4. customb.p.°,1 130° C