[EN] PROCESS AND INTERMEDIATES FOR THE PREPARATION OF 3-AMINO-4-CYCLOBUTYL-2-HYDROXYBUTANAMIDE AND SALTS THEREOF<br/>[FR] PROCÉDÉ ET INTERMÉDIAIRES POUR LA PRÉPARATION DE 3-AMINO-4-CYCLOBUTYL-2-HYDROXYBUTANAMIDE ET DE SELS DE CE COMPOSÉ
申请人:MERCK SHARP & DOHME
公开号:WO2013066734A1
公开(公告)日:2013-05-10
The present invention relates to synthetic processes useful in the preparation of a compound of Formula (I), and salts thereof. Compounds of Formula (I) and salts thereof have application in the preparation of inhibitors of the hepatitis C virus, such as (1R,5S)-N-[3-amino-1-(cyclobutylmethyl)-2,3-dioxopropyl]-3-[2(S)-[[[(1,1-dimethylethyl)amino]carbonyl]amino]-3,3-dimethyl-1-oxobutyl]-6, 6-dimethyl-3-azabicyclo[3.1.0]hexan-2(S)-carboxamide. The present invention also encompasses intermediates useful in the disclosed synthetic processes and the methods of their preparation.
本发明涉及用于合成一种化合物及其盐的制备中有用的合成过程。化合物及其盐在制备丙型肝炎病毒抑制剂方面具有应用,例如(1R,5S)-N-[3-氨基-1-(环丁基甲基)-2,3-二氧代丙基]-3-[2(S)-[[[(1,1-二甲基乙基)氨基]羰基]氨基]-3,3-二甲基-1-氧代丁基]-6,6-二甲基-3-氮杂双环[3.1.0]己烷-2(S)-羧酰胺。本发明还涵盖了在所披露的合成过程中有用的中间体及其制备方法。