5-dimethoxybenzene_Kain Industrial Additive

background and overview[1] 1,4-dibromo-2,5-dimethoxybenzene is an organic intermediate that can be used to prepare 1,4-dibromohydroquinone from hydroquinone dimethyl ether and elemental bromine reaction preparation. preparation[1-2] method 1: synthesis of 1,4-dibromo-2,5-dimethoxybenzene: add 20.0g of hydroquinone dimethyl ether (0.145mol, 1.0eq), 55ml of glacial acetic acid into a 250ml reaction bottle, and conduct ultrasound. dissolve; add dropwise a…