2-氨基-4-溴-5-乙基苯磺酸的合成

Synthesis of 2 Amino 4 Bromo 5 Ethylphenylsulfonic Acid

本文以对硝基乙基苯为原料，经溴化、还原和磺化反应得到染料中间体２－氨基－４－溴－５－乙基苯磺酸，并对影响反应的诸因素进行了讨论，以对硝基乙苯计产品总收率为６７．１％．

The compound 2 amino 4 bromo 5 ethyl phenyl sulfonic acid as a dye intermedium was prepared by using p nitroethylbenzene. Some experimental parameters were discussed. The yield is 67.1 %.