Disproportionation of toluene

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By alkyl or aryl transfer between molecules – e.g.,...

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C07C 362

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active

041607880

ABSTRACT:
Disproportionation of toluene to produce benzene and xylenes rich in the para isomer is accomplished by subjecting toluene to disproportionation conditions in the presence of a catalyst comprising the crystalline aluminosilicate zeolite ZSM-23.

REFERENCES:
patent: 3751504 (1973-08-01), Keown et al.
patent: 4076842 (1978-02-01), Plank et al.

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