申请人:Sankio Chemical Co., Ltd.
公开号:US06504032B1
公开(公告)日:2003-01-07
A process for producing a 2-pyridylpyridine derivative usable as an intermediate for medicines or agricultural chemicals is provided, which does not require expensive metal catalysts, which does not cause environmental problems, and which can be conducted on an industiral scale. The process comprises the step (A) of producing an amidrazone compound from a cyano group-containing heterocyclic compound in water, the step (B) of producing a 1,2,4-triazine compound from the amidrazone compound in water, and the step (C) of producing a 2-pyridylpyridine derivative from the 1,2,4-triazine compound.
提供一种用作药物或农药中间体的2-吡啶基吡啶衍生物的生产方法,该方法不需要昂贵的金属催化剂,不会造成环境问题,并且可以在工业规模上进行。该方法包括以下步骤:(A)在水中从含氰基的杂环化合物中产生酰肼化合物,(B)在水中从酰肼化合物中产生1,2,4-三嗪化合物,以及(C)从1,2,4-三嗪化合物中产生2-吡啶基吡啶衍生物。