Process for producing ortho-methylphenols

Details Process for producing ortho-methylphenols Process for producing ortho-methylphenols

1974-04-10

1976-07-27

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260624C, 260619R, C07C21432

Patent

active

039718328

ABSTRACT:
In a process for methylation of phenols having at least one ortho-positioned hydrogen with methanol in the vapor phase, the methylation is catalytically carried out in the presence of a manganese oxide catalyst to produce ortho-methylphenols.

REFERENCES:
patent: 2448942 (1948-09-01), Winkler et al.
patent: 3716589 (1973-02-01), Kotanigawa et al.
patent: 3855318 (1974-12-01), Nakajima et al.
patent: 3857899 (1974-12-01), Tasaka
Hougen, "Chemical Process Principles" pp. 902-905.
J. Amer Chem. Society, vol. 69, pp. 2559-2560 (1947).
Catalyst Handbook, pp. 22-23 (1970).
Greg et al., "J. Chem. Soc." pp. 3946-3948 and 3954.
Linsen, Physical and Chemical Aspects of Adsorbents and Catalyst, p. 274.
Ind. Eng. Chem. Prod. Research & Development, Thomas "Catalytic Processes & Proven Catalyst", pp. 246-252 (1970).

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