S(Cl)([Cl:3])=O.[CH2:5]([C:9]1[CH:17]=[CH:16][C:12]([C:13](O)=[O:14])=[CH:11][CH:10]=1)[C:6]([CH3:8])=[O:7]>C1C=CC=CC=1>[CH2:5]([C:9]1[CH:17]=[CH:16][C:12]([C:13]([Cl:3])=[O:14])=[CH:11][CH:10]=1)[C:6]([CH3:8])=[O:7]Thionyl chloride (1.45 ml) was added to 4-acetonylbenzoic acid (3.56 g) in benzene and the mixture refluxed for 1 hour. Benzene was evaporated to give the title compound as a yellow oil, 2.61 g, (bp 135°-140°/0.5 mm). γ (CDCl3) 7.78 (3H, s), 6.17 (2H, s), 2.63 (2H, d, J=9 Hz), 1.88 (2H, d, J=9 Hz).
Wird geladen…