Process for methylating naphthalene

Details Process for methylating naphthalene Process for methylating naphthalene

1978-08-21

1980-02-05

O'Keffe, Veronica

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

C07C 1524

Patent

active

041872550

ABSTRACT:
Broadly, the present invention is directed to a process for preparing 1-methylnaphthalene and 2-methylnaphthalene wherein the process comprises reacting naphthalene and methanol in the vapor phase at elevated temperatures and optionally under pressure in the presence of an effective amount of activated alumina catalyst. In a preferred embodiment the invention is directed to a process for preparing 2-methylnaphthalene in high selectivity by reacting naphthalene and methanol in the vapor phase at elevated temperatures in the range of about 500.degree. to about 650.degree. C. in the presence of an effective amount of activated alumina catalyst.

REFERENCES:
patent: 3993701 (1976-11-01), Leach et al.
Walter M. Kutz et al, J. Amer. Chem. Soc. 67, pp. 1312-1315, 1945.

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