3复合体系在甲醇介质中对硝基化合物进行部分还原，可以获得相应的氧化偶氮苯类化合物。
Nitroarenes could be conveniently reduced to the corresponding azoxybenzenes by NaBH4/BiCl3 system in methanol.
实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
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