Production of 3-methylphenol

Details Production of 3-methylphenol Production of 3-methylphenol

1978-12-14

1980-04-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

568570, 568768, 585455, 585468R, C07C 3708

Patent

active

041974131

ABSTRACT:
A four-step method for the selective production of the 1,3-isomer of methylphenol comprising the alkylation of toluene with propylene in the presence of a specified type of zeolite alkylation catalyst followed by the selective reaction, via a specified type of shape selective zeolite, of the 1,4-isomer of the alkylation product to leave the 1,3-isomer thereof in excess of equilibrium. Subsequent oxidation and acid catalyzed rearrangement results in desirably high yield of 3-methylphenol.

REFERENCES:
patent: 2760991 (1956-08-01), Toland, Jr.
patent: 2805258 (1957-09-01), Boorman et al.
patent: 2862857 (1958-12-01), Filar
patent: 3215745 (1965-11-01), Frank
patent: 3755483 (1973-08-01), Thomas
patent: 3928469 (1975-11-01), Suda et al.
patent: 4098836 (1978-07-01), Dywer

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