It involved the converstion of vanillin into hydrazine(4) and the metalic reduction of hydrazine 4 into the intermediate vanillic amine.
以价廉易得的香草醛为起始原料,经过3步反应,高产率合成了酚羟基由对甲苯磺酰基保护的香草胺类化合物5。
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