METHOD FOR PREPARING PYRROLOAMINOPYRIDAZINONE COMPOUND AND INTERMEDIATES THEREOF
申请人:JIANGSU HENGRUI MEDICINE CO., LTD.
公开号:US20210147428A1
公开(公告)日:2021-05-20
The present invention relates to a method for preparing a pyrroloaminopyridazinone compound and intermediates thereof. Specifically relating to a method for preparing the compound of formula (I), the target product being prepared by means of changing the starting materials and intermediates; the present method has the advantages of reactants such as the starting materials being easy to purchase, the reaction conditions being simple and controllable, the post-reaction treatment method being simple, the yield being high, and being beneficial for industrial production.
[EN] METHOD FOR PREPARING PYRROLOAMINOPYRIDAZINONE COMPOUND AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN COMPOSÉ DE PYRROLOAMINOPYRIDAZINONE ET D'INTERMÉDIAIRES DE CELUI-CI<br/>[ZH] 一种吡咯并氨基哒嗪酮化合物的制备方法及其中间体