Selective production of para-xylene

Details Selective production of para-xylene Selective production of para-xylene

1977-05-03

1979-06-12

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

C07C 352

Patent

active

041580249

ABSTRACT:
A catalytic process is provided for the selective production of para-xylene by contacting toluene, under methylation conditions, with a methylating agent in the presence of a catalyst comprising a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least about 12, a constraint index, as hereinafter defined, within the approximate range of 1 to 12 and which has combined therewith magnesium in an amount of at least about 0.5 percent by weight.

REFERENCES:
patent: 3121754 (1964-02-01), Mattox et al.
patent: 3965209 (1976-06-01), Butter et al.
patent: 4002697 (1977-01-01), Chen

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