Abstract
The reaction of 3,6-dimethoxy-3,6-dimethylcyclohexa-1,4-diene (1) with electron-rich heterocycles (furan, thiophene, pyrrole, 2-methyl-furan indole) and 1,3,5-trimethoxybenzene in the presence of catalytic amounts of zinc dichloride or concentrated sulftiric acid leads to the corresponding 2-aryl substituted p-xylenes 4 in good yields and in a regioselective manner.
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