Process for selectively producing high-yield, high-purity 4,4-su

Details Process for selectively producing high-yield, high-purity 4,4-su Process for selectively producing high-yield, high-purity 4,4-su

1975-04-11

1978-05-16

Phillips, Delbert R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260607E, C07C14706

Patent

active

040899047

ABSTRACT:
4,4'-substituted diaryl sulfones of high yield and high purity are selectively formed by the oxidation of 4,4'-substituted diaryl sulfides and diaryl sulfoxides, respectively, employing an aqueous slurry, including a molybdic acid-peroxide-catalyzed oxidation system, the aqueous slurry being maintained at a pH of less than about one.

REFERENCES:
patent: 2560049 (1951-07-01), Cook
patent: 2560050 (1951-07-01), Cook
patent: 3005852 (1961-10-01), Freyermuth et al.
patent: 3006962 (1961-10-01), Schultz et al.
Schultz; J. Org. Chem., vol. 28, pp. 1140-1142, (1962).

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