4-Isopropyl-4'-nitrobenzophenone and a process for the preparati

Details 4-Isopropyl-4'-nitrobenzophenone and a process for the preparati 4-Isopropyl-4'-nitrobenzophenone and a process for the preparati

1982-03-29

1983-11-01

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

260156, C07C 49786

Patent

active

044131445

ABSTRACT:
4-Isopropyl-4'-nitrobenzophenone and other benzophenones of the formula ##STR1## wherein R is hydrogen, alkyl having 1 to 20 carbon atoms, alkoxy having 1 to 20 carbon atoms, alkyl having 2 to 20 carbon atoms interrupted by oxygen, or alkoxy having 2 to 20 carbon atoms interrupted by oxygen, are prepared by reacting a substituted benzene compound of the formula ##STR2## with p-nitrobenzoyl halide at temperatures of 10.degree. to 140.degree. C. in the presence of a Friedel-Crafts catalyst and an inert solvent which is an aliphatic hydrocarbon, a chlorinated aliphatic hydrocarbon or chlorinated aromatic hydrocarbon.

REFERENCES:
patent: 2561190 (1951-07-01), Firestine
patent: 3120564 (1964-02-01), Milionis et al.
patent: 3907837 (1975-09-01), Effenberger et al.

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