Pinacolone → HCID 53767202, compound

Participants

Reaction Steps

29.7 g (0.1 mol) of diethyl 2,4-dichlorobenzylphosphonate, 10 g (0.1 mol) of pinacolone, 12 g (0.1 mol) of potassium t-butylate and 300 ml of absolute toluene are heated at the boiling point in a nitrogen atmosphere for 20 hours. The solution is cooled, washed with 2 80 ml portions of water, dried over sodium sulphate and freed from the solvent in vacuo. After the residue has been distilled, 15 g (69.7% of theory) of 1-(2,4-dichlorophenyl)-2,3,3-trimethylbut-1-ene of boiling point 85° C. under 0.13 mbar are obtained.

Provenance & Evidence