Production of dihydroxy arylophenones

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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C07C 4554

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active

044331720

ABSTRACT:
Production of a dihydroxy arylophenone by reacting a diaryl carbonate in the presence of a fluoroalkane sulphonic acid. The diaryl carbonate is preferably diphenyl carbonate, the product so formed being 4,4'-dihydroxy-benzophenone. The sulphonic acid is preferably trifluoromethane sulphonic acid.

REFERENCES:
patent: 2675411 (1954-04-01), Caldwell
patent: 2818436 (1957-12-01), Prill
patent: 2876210 (1959-03-01), Wynn et al.
patent: 2879297 (1959-03-01), Prill et al.
Hacking, J. Chem. Tech. Biotechnol., vol. 30, pp. 626-641, (1980).
Effenberger et al., Angew. Chemie Int. Ed., vol. 12, pp. 775-776, (1973).

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