Process for the selective ortho-alkylation of phenolic compounds

Details Process for the selective ortho-alkylation of phenolic compounds Process for the selective ortho-alkylation of phenolic compounds

1978-11-27

1980-06-17

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568789, 568794, C07C 3716

Patent

active

042085373

ABSTRACT:
The selective alkylation of a phenolic compound having a hydrogen atom in at least one of the ortho positions is achieved by reacting the phenolic compound with an alcohol in the vapor phase in the presence of a catalyst containing mixed oxides of chromium and tin. The catalyst can additionally contain iron oxide, sulfate radical, or a combination thereof.

REFERENCES:
patent: 3953529 (1976-04-01), Yonemitsu et al.
patent: 3959394 (1976-05-01), Tasaka et al.

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