Preparation of 1-phenyl-2(3-phenylboronic acid)-benzimidazole_Kain Industrial Additive

Background and overview[1] 1-Phenyl-2(3-phenylboronic acid)-benzimidazole is an imidazole organic compound that can be used as a pharmaceutical synthesis intermediate. Preparation[1] 1-Phenyl-2(3-phenylboronic acid)-benzimidazole is prepared as follows: 1) Synthesis of compound 15-1: In a three-necked flask, add phenanthrenequinone (6.24g, 30mmol) and concentrated sulfuric acid (50ml), slowly add NBS (11.2g, 63mmol) at 0°C, and react for 2…