Process for the hydroxylation of phenols and phenol ethers in th

Details Process for the hydroxylation of phenols and phenol ethers in th Process for the hydroxylation of phenols and phenol ethers in th

1977-03-31

1979-11-13

Helfin, Bernard

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

Organic compounds

Oxygen containing

260465F, 560 61, 568704, 568765, 568744, 568771, 568803, 568766, 568734, 568747, 568763, 568737, C07C 3700

Patent

active

041744608

ABSTRACT:
A process for the hydroxylation of phenols and phenol ethers in the nucleus with hydrogen peroxide wherein a phenol or a phenol ether is reacted at the start of the reaction with substantially anhydrous hydrogen peroxide and wherein the reaction is carried out in the presence of a strong acid.

REFERENCES:
patent: 3549709 (1970-12-01), Achard et al.
patent: 3836591 (1974-09-01), Maggioni
patent: 3849502 (1974-11-01), Bourdin et al.
patent: 4045496 (1977-08-01), Seifert et al.
patent: 4053523 (1977-10-01), Seifert et al.

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