Hydrodealkylation
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Hydrodealkylation is a chemical reaction that often involves reacting an aromatic hydrocarbon such as toluene in the presence of hydrogen gas to form a simpler aromatic hydrocarbon devoid of functional groups, for example, converting 1,2,4-trimethylbenzene to xylene.[1] This chemical process often involves high temperatures, high pressures or the presence of a catalyst, predominantly a transition metal such as chromium or molybdenum.