Green and straight-forward syntheses of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol) derivatives using nano structure organocatalysts, namely 2-carbamoylhydrazine-1-sulfonic acid and carbamoylsulfamic acid, have been developed.
利用纳米结构有机催化剂,即2-氨基甲酰肼-1-磺酸和氨基甲酰磺酸,直接绿色合成4,4′-(芳基亚甲基)双(1H-吡唑-5-醇)衍生物的方法已经被开发出来。