Process for the isomerization of ortho-and para-bromophenols or

Details Process for the isomerization of ortho-and para-bromophenols or Process for the isomerization of ortho-and para-bromophenols or

1982-09-30

1984-05-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

568656, 568676, 568768, 568771, C07C 3927

Patent

active

044476604

ABSTRACT:
Process for the isomerization of ortho- and para-bromophenols or the ethers thereof into corresponding meta-brominated derivatives by isomerizing ortho- and para-bromophenols in the corresponding ethers in the presence of a liquid superacid at a temperature in the region of ambient temperature.

REFERENCES:
patent: 3681467 (1972-08-01), O'Bara
patent: 4138411 (1979-02-01), Gandihon
Jacquesy et al., "J.C.S. Chem. Comm." (1980) p. 100-111.
Fury et al., "J. Org. Chem." (Jul. 1965) vol. 30, pp. 2301-2304.

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