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化合,染料,光敏质,聚合单,另外它们还是加反应的母化合。
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化合,染料,光敏质,聚合单,另外它们还是加反应的母化合。
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