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ChemicalBook CAS DataBase List 3,4-Dihydroxybenzophenone
10425-11-3

3,4-Dihydroxybenzophenone synthesis

13synthesis methods
Preparation by Fries rearrangement of pyrocatechol dibenzoate,
in the presence of aluminium chloride in nitrobenzene ? at 100° for 4 h (quantitative yield) or heated on a steam bath for 6 h ];
? in the presence of Nafion-XR, a H+-form ion exchange resin, at 175° for 4 h under nitrogen (38%).
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 0.3 g / CHCl3 / 16 h / Heating
2: 50percent H2SO4 / 2 h / Heating

References:

Sawhney, K. N.;Mathur, K. B. L. [Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry,1980,vol. 19,# 7,p. 590 - 592]

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