Catalyst derived from mixture of manganese hydroxide and magnesi

Details Catalyst derived from mixture of manganese hydroxide and magnesi Catalyst derived from mixture of manganese hydroxide and magnesi

1985-09-16

1987-04-28

Lone, Werren B.

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

Organic compounds

Oxygen containing

568794, C07C 3700

Patent

active

046616381

ABSTRACT:
A catalyst precursor prepared by precipitating manganese hydroxide from caustic solution and then mixing the precipitate with a magnesium-containing material is described. The catalyst precursor can be calcined to an active form, and the resulting catalyst can be used to effect or facilitate the ortho-alkylation of phenolic compounds in vapor phase reactions. Superiority of performance is demonstrated with respect to a catalyst derived from a precursor in which manganese hydroxide is precipitated (sometimes referred to as "co-precipitation") in the presence of a magnesium compound, rather than formed separately. y

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patent: 4503272 (1985-03-01), Bennett et al.
patent: 4528407 (1985-07-01), Smith et al.
patent: 4547480 (1985-10-01), Bennett et al.
patent: 4551563 (1985-11-01), Talley

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