Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1990-07-06
1992-03-17
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568651, 568652, 568653, 568741, 568803, C07C 3760
Patent
active
050970780
ABSTRACT:
The phenols and phenol ethers are hydroxylated by reacting such phenols/phenol ethers with hydrogen peroxide, in the presence of (a) a catalytically effective amount of an alkali metal or alkaline earth metal salt of at least one protonic acid having a pKa in water of less than -0.1, and (b) an effective amount of at least one phosphorus oxyacid.
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"Methoden der Organischen Chemie", Eugen Muller, 1976.
Costantini Michel
Laucher Dominique
Lone Werren B.
Rhone-Poulenc Chimie
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