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Method for preparing 2,2'-dipyridine and derivatives thereof

机译:2,2'-联吡啶及其衍生物的制备方法

摘要

Disclosed is a method for preparing 2,2'-dipyridine and derivatives thereof. The method comprises: using pyridine represented by formula I or a derivative thereof as a raw material to generate 2,2'-dipyridine represented by formula II by performing dehydrogenative coupling under the action of a supported catalyst in the presence of additives, wherein R is H, C1-C2 alkyl, Cl, or Br. The method of the present invention features wide adaptability to raw materials, high atomic utilization rate, high catalyst activity, long service life, and fewer by-products.
机译:公开了一种制备2,2'-二吡啶及其衍生物的方法。该方法包括:以式I表示的吡啶或其衍生物为原料,在添加剂的存在下,在负载型催化剂的作用下,通过脱氢偶联,生成式II表示的2,2'-二吡啶。 H,C1-C2烷基,Cl或Br。本发明的方法对原料的适应性广,原子利用率高,催化剂活性高,使用寿命长,副产物少。

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