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…