thionyl

Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.

以氯化亚矾及均苯四甲酐为料通过酰氯法合成了对位均苯二甲二酰氯。

Bromoxynil octanoate was synthesized from bromoxynil,octanoic acid and thionyl chloride in the solvent using DMF and N(C 2H 5) 3 as catalysts by one step reaction.

以DMF、三乙胺为催化剂,在溶剂中,直接合成了溴苯腈,实现由合成的一步反应。