[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH2:8][CH2:7][CH:6]=[C:5]2[CH3:12].ClC1C(=O)C(=O)C(Cl)=C(Cl)C=1Cl>>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9]([CH:8]=[CH:7][CH:6]=[C:5]2[CH3:12])=[CH:10][CH:11]=1Using general procedure A (Exp. 1.2.), 6-chloro-4-methyl-1,2-dihydro-naphthalene was reacted with 3,4,5,6-tetrachloro-1,2-benzoquinone to give 7-chloro-1-methyl-naphthalene as a colorless oil.
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