S(Cl)([Cl:3])=O.[C:5]1([CH:11]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[O:12][CH2:13][C:14](O)=[O:15])[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1>C1C=CC=CC=1>[C:5]1([CH:11]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[O:12][CH2:13][C:14]([Cl:3])=[O:15])[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=18.1 g (68.1 mmole) of thionyl chloride was added to a solution of 5.5 g (22.7 mmole) of (diphenylmethoxy) acetic acid in 150 cm3 of benzene. The solution was refluxed for 5 hours, then evaporated to dryness under reduced pressure. Distillation of the residue yielded 4.3 g (yield: 73%) of (diphenylmethoxy) acetyl chloride.
Loading…