How to prepare 3,4,5,6-tetrafluorophthalic acid_Kain Industrial Additive
Background and overview[1][2] 3,4,5,6-Tetrafluorophthalic acid, pure product is a white granular crystalline solid. This compound is mainly used as pharmaceutical intermediates and intermediates for the synthesis of fluorine-containing aromatic chemicals. It is a key intermediate for the preparation of ofloxacin and other fluoroquinolone antibiotics. CN102627553A, CN86106151, US5047553 and “Improvement of the Synthesis Process of Tetrafluorophthalic…