2,3',4,6-Tetrahydroxybenzophenone, a kind of benzophenone, is the immediate precursor of xanthones in higher plants[1].
Preparation by demethylation of 2,4,6-trihydroxy- 3′-methoxybenzophenone with aluminium chloride in refluxing chlorobenzene for 1 h (95%).
ChEBI: 2,3',4,6-tetrahydroxybenzophenone is a hydroxybenzophenone. It is a conjugate acid of a 2,3',4,6-tetrahydroxybenzophenone(1-).
[1] L Beerhues. Benzophenone synthase from cultured cells of Centaurium erythraea. FEBS Lett. 1996 Apr 1;383(3):264-6. DOI:
10.1016/0014-5793(96)00265-7
