C(Cl)(=O)C.[C:5]([S:8][C:9]1[CH:10]=[C:11]([C:21](=[O:27])[C:22]([O:24][CH2:25][CH3:26])=[O:23])[CH:12]=[CH:13][C:14]=1[CH:15]1[CH2:20][CH2:19][CH2:18][CH2:17][CH2:16]1)(=O)C>>[CH3:5][S:8][C:9]1[CH:10]=[C:11]([C:21](=[O:27])[C:22]([O:24][CH2:25][CH3:26])=[O:23])[CH:12]=[CH:13][C:14]=1[CH:15]1[CH2:20][CH2:19][CH2:18][CH2:17][CH2:16]1When an equimolar amount of acetyl chloride is used in place of dimethyl sulfate in the above reaction, then the product prepared is ethyl 3-acetylthio-4-cyclohexylphenylglyoxylate.
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