Method of purifying arylphenones

Details Method of purifying arylphenones Method of purifying arylphenones

1997-10-17

1998-07-07

Reamer, James H.

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

Organic compounds

Oxygen containing

C07C 4580

Patent

active

057771715

ABSTRACT:
Hydroxy and alkyloxy benzophenones, also known as arylphenones, are efficiently and economically purified by contacting them with inorganic phosphorous compounds in the presence of a non-polar solvent. Best results are obtained when the arylphenone is then treated with an activated carbon and/or activated clay.

REFERENCES:
patent: 2752398 (1956-06-01), Riley
patent: 3526666 (1970-09-01), Ponder
patent: 3850988 (1974-11-01), Ruby
patent: 4154964 (1979-05-01), Balg
patent: 5025090 (1991-06-01), Barda

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