3-benzoxazole_Kain Industrial Additive

Background and overview[1] 2-Hydrazino-1,3-benzoxazole is an organic intermediate, which can be obtained by the reaction of 2-chlorobenzoxazole and hydrazine hydrate, and can be used to prepare a type of pyrazole compounds. Preparation[1] Add a solution of 2-chlorobenzoxazole (2.5g, 16.3mmol) in dioxane (4mL) dropwise to NH2H4 H2O (4.07 g, 81.4 mmol) in dioxane (20 mL). The…