azines

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,如作染料,光敏质,聚单体,另外它们还是加成反应母体。

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

摘要文中讨论酮连氮水解制各种方法及催剂对酮连氮水解和收率影响。