Preparation of 4-hydroxy-2,4,6-trimethyl-cyclohexa-2,5-diene-1-o

Details Preparation of 4-hydroxy-2,4,6-trimethyl-cyclohexa-2,5-diene-1-o Preparation of 4-hydroxy-2,4,6-trimethyl-cyclohexa-2,5-diene-1-o

1977-10-17

1979-08-14

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4516

Patent

active

041645162

ABSTRACT:
4-Hydroxy-2,4,6-trimethyl-cyclohexa-2,5-dien-1-one ["mesitylquinol"] is prepared by oxidizing 2,4,6-trimethyl phenol ["mesitol"] with either molecular oxygen or an oxygen containing gas, in the simultaneous presence of (i) a cobalt/Schiff base complex, (ii) an amine, phosphine and/or organic phosphite co-catalyst, and, optionally, (iii) an alkali metal base.

REFERENCES:
patent: 3957887 (1976-05-01), Ichikawa et al.
patent: 3966818 (1976-06-01), Ichikawa et al.
patent: 3975441 (1976-08-01), Ichikawa et al.
patent: 4026947 (1977-05-01), Costantini et al.

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