| 摘要 |
Trimethylhydroquinone is prepared by reacting 4-methoxyphenol with methanol over MgO or MgO promoted with oxides of aluminum, uranium, titanium, cerium, manganese, zinc, and iron at temperatures of from about 350 DEG C to about 550 DEG C and pressures up to about 1,000 pounds per square inch gauge.
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