[EN] PROCESS FOR THE PREPARATION OF GILTERITINIB FUMARATE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE FUMARATE DE GILTÉRITINIB
申请人:MSN LABORATORIES PRIVATE LTD R&D CENTER
公开号:WO2022009235A1
公开(公告)日:2022-01-13
The present invention provides process for the preparation of 2-pyrazine carboxamide, 6-ethyl-3-[[3-methoxy-4-[4-(4-methyl-1-piperazinyl)-1-piperidinyl] phenyl] amino]-5-[ (tetra hydro-2H-pyran-4-yl) amino]-, (2E)-2-butenedioate (2:1) of formula (I) and its crystalline and / or amorphous forms there of. 2-Pyrazinecarboxamide, 6-ethyl-3-[ [ 3- methoxy-4-[4-(4-methyl-1-piperazinyl)-1-piperidinyl] phenyl] amino]-5-[(tetrahydro-2H-pyran-4-yl) amino]-, (2E)-2-butenedioate (2:1) (I) is represented by the following structural formula.