| 摘要 |
Alkylated hydroxyaromatic compounds, particularly alkylated phenols such as mesitol and 2,4-xylenol, are selectively ortho-dealkylated by contact at a temperature within the range of about 350 DEG -500 DEG C. with a catalyst comprising a combination of at least one chromium oxide and at least one of the oxides of zinc, iron, magnesium and manganese, with zinc and iron being preferred.
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