METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
方法对硝基苯甲酰氯为料,经缩合、还、重氮化、偶合、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.
方法对硝基苯甲酰氯为料,经缩合、还、重氮化、偶合、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′-二氯联苯胺、乙酰乙酰苯胺为料,经重氮化、偶合反应合C.I.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′-二氯联苯胺、乙酰乙酰苯胺为料,经重氮化、偶合反应合C.I.料黄12。收藏指正
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