Process for the preparation of polyhydroxybenzophenones

Details Process for the preparation of polyhydroxybenzophenones Process for the preparation of polyhydroxybenzophenones

1996-06-21

1997-10-21

Reamer, James H.

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

Organic compounds

Oxygen containing

568323, C07C 4545

Patent

active

056798652

ABSTRACT:
The invention relates to a process for the preparation of polyhydroxybenzophenones by treating benzoic acid or a derivative thereof with a polyhydroxybenzene or a derivative thereof in the presence of a large pore zeolite as a catalyst.

REFERENCES:
patent: 4304941 (1981-12-01), Lee et al.
patent: 4453010 (1984-06-01), Staniland
patent: 4668826 (1987-05-01), Gupta
patent: 4960943 (1990-10-01), Botta et al.
patent: 5227529 (1993-07-01), Neuber et al.
A.J. Hoefnagel et al., "Direct Fries reaction of resorcinol with benzoic acids catalyzed by zeolite H-beta", Applied Catalysis A: General, 97 (1993), 87-102.

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