Method of preparing substituted dihydroxy-benzenes

Details Method of preparing substituted dihydroxy-benzenes Method of preparing substituted dihydroxy-benzenes

1987-12-04

1989-04-25

Lone, Werren B.

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

Organic compounds

Oxygen containing

568650, 568651, 568803, C07C 3760, C07C 4100

Patent

active

048250112

ABSTRACT:
The nuclear hydroxylation of substituted phenols is performed by using aqueous hydrogen peroxide in the presence of sulfur dioxide or selenium dioxide as catalyst in a simple manner with very good space-time yields and good product yields.

REFERENCES:
patent: 3943179 (1976-03-01), Bost et al.
patent: 4533766 (1985-08-01), Drauz et al.
patent: 4551562 (1985-11-01), Drauz et al.
patent: 4590305 (1986-05-01), Drauz et al.
patent: 4618730 (1986-10-01), Drauz et al.
patent: 4628126 (1986-12-01), Drauz et al.

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