Diphosgene → HCID 18322310, compound

Participants

Reaction Conditions

Reaction Steps

At 0° C., 15 g (96.65 mmol) of 4-ethyl-3-propyl-5(2H)-isoxazolone in 150 ml of dichloromethane are admixed with 27.81 g (144.98 mmol) of diphosgene, and the mixture is then stirred at 0° C. for 6 h. To remove excess phosgene, argon was passed through the reaction mixture at RT for 1 h, the exhaust gas being neutralized by sodium hydroxide. The solution was concentrated and the product was distilled under reduced pressure. B.p.mbar 125-30° C.

Provenance & Evidence