Process for the ortho-alkylation of phenols

Details Process for the ortho-alkylation of phenols Process for the ortho-alkylation of phenols

1981-10-05

1983-05-31

Lone, Werren B.

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

Organic compounds

Oxygen containing

568794, C07C 3716

Patent

active

043862268

ABSTRACT:
A phenol is ortho-alkylated by reaction with an alkanol in the presence of a catalyst comprising at least 87% w/w, calculated as Fe.sub.2 O.sub.3, of an oxide of iron, and at least one other metal oxide, in which the other metal is selected from As, Cd, Co, Hg, In, Ni, Pb, lanthanide rare earths, Sc, Sn, Ti and Zr. By way of example, phenol can thus be converted to o-cresol and/or 2,6-xylenol.

REFERENCES:
patent: 3716589 (1973-02-01), Kotanigawa et al.
patent: 3923907 (1975-12-01), Kotanigawa et al.
patent: 3953529 (1976-04-01), Yorimitsu et al.
patent: 4227024 (1980-10-01), Leach
patent: 4329517 (1982-05-01), Taniguichi et al.

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