Phenol transalkylation process

Details Phenol transalkylation process Phenol transalkylation process

1973-04-13

1976-01-20

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260621E, C07C 3906

Patent

active

039339270

ABSTRACT:
Phenols having an unsubstituted ortho position are transalkylated in the ortho position by mixing them with an ortho-alpha-branched alkylphenol (e.g., 2,6-di-sec-butylphenol) and an aluminum phenoxide catalyst and heating the mixture to 100.degree.-350.degree.C., preferably in a closed system and in the presence of olefin corresponding in structure to the ortho-alpha-branched alkyl group.

REFERENCES:
patent: 2831898 (1958-04-01), Ecke et al.
patent: 3075832 (1963-01-01), Ecke et al.
patent: 3091646 (1963-05-01), Leston
patent: 3534111 (1970-10-01), Hess

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