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

1976-06-17

1977-07-19

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 100

Patent

active

040368610

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 and 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 comprising vanadium oxide is disclosed.

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