柳氮钠 中文名：巴柳氮钠 英文名：Balsalazide disodium 别 名：巴柳氮二钠; 5-[[4-[[(2-羧乙基)氨甲酰基]苯偶氮基]水杨酸二钠盐二水合物 分子式：C17H13N3Na2O6.2(H2O)分子量：437.31
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第四步通过巴柳氮酸的成盐反应，合成巴柳氮钠，产物收率96.5%。
At last, balsalazide disodium was synthesized by balsalazide acid salt formation, and the yield of it was 96.5%.
目的合成巴柳氮二钠并改进工艺。
OBJECTIVE To synthesize balsalazide disodium and optimize the process.
方法以对硝基苯甲酰氯为起始原料，经缩合、 还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。
METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
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