[EN] NOVEL PROCESS FOR THE PREPARATION OF A LACTAM-CONTAINING COMPOUND<br/>[FR] NOUVEAU PROCEDE POUR LA PREPARATION D'UN COMPOSE CONTENANT DU LACTAME
申请人:SYMED LABS LTD
公开号:WO2015177801A1
公开(公告)日:2015-11-26
Provided herein is a novel, commercially viable and industrially advantageous process for the preparation of 1-(4-Methoxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazole-[3,4-c]pyridine-3-carboxamide, in high yield and with high purity, using a novel intermediate 3-chloro-1-(4-iodophenyl)-5,6-dihydropyridin-2(1H)-one.
本文提供了一种新颖、商业可行且在工业上具有优势的工艺,用于制备1-(4-甲氧基苯基)-7-氧代-6-[4-(2-氧代-1-哌啶基)苯基]-4,5,6,7-四氢-1H-吡唑-[3,4-c]吡啶-3-羧酰胺,产率高,纯度高,使用一种新颖的中间体3-氯-1-(4-碘苯基)-5,6-二氢吡啶-2(1H)-酮。