科研之友
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摘要
The coupling reaction of substituted toluenes themselves and the cross-coupling reaction of substituted toluene and aromatic in the presence of bromine in anhydrous CC1_4 under irradiation lead to diphenylmethanes with moderate to good yields.The methylene moiety in diphenylmethanes comes from the toluene with fewer electron-donating groups,and regioselectivity was observed.
