Process for producing a 2-tertiary-alkyl substituted anthraquino

Details Process for producing a 2-tertiary-alkyl substituted anthraquino Process for producing a 2-tertiary-alkyl substituted anthraquino

1980-02-25

1981-12-15

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5018

Patent

active

043058795

ABSTRACT:
A process for producing a 2-tertiary-alkyl substituted anthraquinone, characterized by carrying out catalytic oxidation of a diphenylmethane type compound having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are different from each other, and independently hydrogen or tertiary-alkyl having 4 or 5 carbon atoms with the proviso that one of R.sub.1 and R.sub.2 is hydrogen, and R.sub.3 is alkyl having 1-3 carbon atoms, in vapor phase in the presence of a catalyst containing vanadium and cerium is disclosed.

REFERENCES:
patent: 4002653 (1977-01-01), Reuter et al.
patent: 4036860 (1977-07-01), Engelbach et al.
patent: 4036861 (1977-07-01), Togo et al.
patent: 4151182 (1979-04-01), Engelbach et al.
patent: 4215063 (1980-07-01), Schmitt, Jr. et al.

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