METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
法
对硝基
甲
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.
法对硝基甲氯为起始原料,经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。
Using 3,3′-dichloro benzidine and acetoacetanilide as raw materials, C.I. pigment yellow 12 was synthesized by diazotization and coupled reaction.
3，3′-二氯联胺、
胺为原料，经重氮化、偶合反应合成了C．I．颜料黄12。
4. Using 3,3′-dichloro benzidine and acetoacetanilide as raw materials, C. I. pigment yellow 12 was synthesized by diazotization and coupled reaction.
3，3′-二氯联胺、胺为原料，经重氮化、偶合反应合成了C．I．颜料黄12。收藏指正
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