[CH3:1][C:2]1[O:3][C:4]2[C:10]([Cl:11])=[C:9]([CH3:12])[C:8]([Cl:13])=[CH:7][C:5]=2[N:6]=1.[CH2:14]([O:16][S:17]([O:20]CC)(=[O:19])=[O:18])[CH3:15]>>[CH2:14]([O:16][S:17]([OH:20])(=[O:19])=[O:18])[CH3:15].[CH3:1][CH:2]1[N:6]([CH2:14][CH3:15])[C:5]2[CH:7]=[C:8]([Cl:13])[C:9]([CH3:12])=[C:10]([Cl:11])[C:4]=2[O:3]1The compound was prepared as described in Example 5 using 2,6-dimethyl-5,7-dichloro-benzoxazole and diethylsulfate.
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