硝基还原成氨基的方法和步骤？ 用sncl2和浓盐酸还原，乙醇做溶剂，回流过夜，之后产品冷却析出。 可以参考： 4,5-bis(tetradecyloxy)benzene-1,2-diaminium chloride. a mixture of 1,2-dinitro-4,5-bis-(tetradecyloxy)-benzene (2 g, 3.37 mmol) and sn(ii)cl2 (26.9 mmol, 5.1 g) in ethanol (50 ml) and conc. hcl (20 ml) was heated to 85 oc over the night. after cooling to room temperature the product was filtered and washed with water and methanol. finally it was dried at rt under a stream of argon and used directly (unstable). yield: 1.8 g (88 %), off-white solid.查看更多
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