Process for producing pyrogallol and derivatives thereof

Details Process for producing pyrogallol and derivatives thereof Process for producing pyrogallol and derivatives thereof

1974-09-30

1976-01-13

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260621M, C07C 3910

Patent

active

039325385

ABSTRACT:
A process for producing pyrogallol or 5-substituted pyrogallol having the formula: ##SPC1##
Wherein R is selected from the group consisting of alkyl, cycloalkyl, aryl, and aralkyl, or a mixture thereof which comprises heating an aqueous solution of 4-substituted-2,6-diaminophenol or 4-substituted-2,6-diamino 1-alkoxybenzene having the formula: ##SPC2##
Wherein R is as defined above and A is selected from the group consisting of hydrogen and alkyl, under acid conditions.

REFERENCES:
patent: 2273030 (1942-02-01), Fitzky et al.
patent: 2289001 (1942-07-01), Fitzky et al.
patent: 3462497 (1969-08-01), Greco
patent: 3530186 (1970-09-01), Greco

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