[EN] PROCESS FOR PREPARING 4-(CYCLOPROPYLMETHOXY)-N-(3,5-DICHLORO-1-OXIDO-4-PYRIDYL)-5-METHOXYPYRIDINE-2-CARBOXAMIDE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 4-(CYCLOPROPYLMÉTHOXY)-N-(3,5-DICHLORO-1-OXYDO-4-PYRIDYL)-5-MÉTHOXYPYRIDINE-2-CARBOXAMIDE
申请人:SANOFI SA
公开号:WO2014083106A1
公开(公告)日:2014-06-05
The present invention relates to a novel process for preparing the compound 4-(cyclopropylmethoxy)-N-(3,5-dichloro-l-oxido-4-pyridyl)-5-methoxypyridine-2-carboxamide of formula (1), in base or hydrate form or in the form of pharmaceutically acceptable salts, and also to several novel synthetic intermediates that are useful in this preparation process.
本发明涉及一种制备化合物4-(环丙基甲氧基)-N-(3,5-二氯-1-氧化-4-吡啶基)-5-甲氧基吡啶-2-甲酰胺的新工艺,其化合物以碱或水合物形式或以药学上可接受的盐的形式存在,此外还涉及几种在制备过程中有用的新合成中间体。