1.Using 3,3′-dichloro benzidine and acetoacetanilide as raw materials, C.I. pigment yellow 12 was synthesized by diazotization and coupled reaction.
以3,3′-二氯联苯胺、乙酰乙酰苯胺为原料,经重、应C.I.颜料黄12。
2.4. Using 3,3′-dichloro benzidine and acetoacetanilide as raw materials, C. I. pigment yellow 12 was synthesized by diazotization and coupled reaction.