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Synthesis of (((ethane-1,2-diylbis(azanediyl))bis(carbonyl))bis(4,1-phenylene))diboronic acid(EBPBA) 4-Carboxyphenylboronic acid (3.65 g, 22.00 mmol), ethylenediamine dihydrochloride (1.33 g, 10.00 mmol), HATU (11.40 g, 30.00 mmol) and HOAT (4.08 g, 30.00 mmol) were dissolved in DMF (40 mL) under nitrogen atmosphere and ice bath conditions