Preparation of 5-t-butyl alkyl-substituted phenols

Details Preparation of 5-t-butyl alkyl-substituted phenols Preparation of 5-t-butyl alkyl-substituted phenols

1979-07-05

1980-11-25

Lone, Werren B.

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

Organic compounds

Oxygen containing

568793, C07C 3714

Patent

active

042360315

ABSTRACT:
A process for preparing 5-t-butyl alkylphenols from alkylphenols in high selectivity is disclosed, wherein the starting alkylphenol is a 3-alkylphenol or a 2,3-dialkylphenol and the alkyl group is a C.sub.1 -C.sub.6 primary alkyl. The process comprises reacting a 3-alkylphenol or a 2,3-dialkylphenol, wherein the alkyl group is a C.sub.1 -C.sub.6 primary alkyl, with isobutylene in the presence of a catalyst, which is a sulfonated polystyrene crosslinked with divinylbenzene, at a temperature of at least 100.degree. C.

REFERENCES:
patent: 2802884 (1957-08-01), D'Alelio
patent: 3382283 (1968-05-01), Zundel et al.
Isagulvants et al., "Chem. Abstract", vol. 61, pp. 10611 and 10612, (1964).
Gakh, "Chem. Abstract", vol. 72, p. 30892w (1969).

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