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ChemicalBook CAS DataBase List 3,3',4,4'-Biphenyltetracarboxylic acid
22803-05-0

3,3',4,4'-Biphenyltetracarboxylic acid synthesis

4synthesis methods
3,3',4,4'-Biphenyltetracarboxylic acid can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly in laboratory research and development. It can be synthesized from catalytic reduction and substitution reaction of 5-Bromoisobenzofuran-1,3-dione.
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: aluminum (III) chloride / dichloromethane / 10 - 20 °C
2: pyridine; potassium permanganate; water / 85 - 95 °C

References:

Changzhou Sunshine Pharmaceutical Co., Ltd.;Hu Guoyi;Hu Jinping;Liu Weijun CN110818551, 2020, A

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