A new convenient and general one-step route for preparing azines by treating aromtic aldehydes and semicarbazide with anhydrous zinc chloride as catalyst is described.

吖嗪是用途很广泛的,如作染料,光敏质,聚,另外它们还是成反应的母。

The review discusses many ways of preparing hydrazine through hydrolysis of Azine, and the effects of catalyst to yield of hydrazine by hydrolyzing azine.

摘要文中讨论了酮连氮水解制备肼的各种方法及催剂对酮连氮水解和肼收率的影响。