thionyl

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

以氯化矾及均苯四甲酸酐为主要原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,用辛酸直接合成了溴苯腈辛酸,实现由酸合成的一步反应。