S(Cl)([Cl:3])=O.[Cl:5][C:6]1[C:13]([CH:14]([CH3:16])[CH3:15])=[CH:12][CH:11]=[CH:10][C:7]=1[CH2:8]O>C(Cl)(Cl)(Cl)Cl>[Cl:5][C:6]1[C:13]([CH:14]([CH3:16])[CH3:15])=[CH:12][CH:11]=[CH:10][C:7]=1[CH2:8][Cl:3]At room temperature, 29.8 g of thionyl chloride is carefully dripped into 35 g of 2-chloro-3-isopropylbenzyl alcohol in 80 ml of carbon tetrachloride. The mixture is stirred for 15 hours at 25° C. and then evaporated down. Distillation (bp 0.3 :76°-78° C.) gives 33 g of 2-chloro-3-isopropylbenzyl chloride.
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