Hydrolysis of toluene diamines to produce methyl resorcinols

Details Hydrolysis of toluene diamines to produce methyl resorcinols Hydrolysis of toluene diamines to produce methyl resorcinols

1975-01-17

1976-01-20

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

423520, 260625, C07C 3908

Patent

active

039339254

ABSTRACT:
Methyl resorcinols are produced by the hydrolysis of toluene diamines in an aqueous excess of ammonium bisulfate. The reactants are contacted at an elevated temperature for a period of time sufficient to hydrolyze the toluene diamines to methyl resorcinols. The methyl resorcinols so produced are separated from the reaction mixture. The ammonium sulfate is regenerated to ammonium bisulfate by removing the water and thermally decomposing the by-product ammonium sulfate at an elevated temperature.

REFERENCES:
patent: 2665313 (1954-01-01), Lisk

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