[EN] NEW PROCESS FOR THE PREPARATION OF INTERMEDIATES USEFUL FOR THE MANUFACTURE NEP INHIBITORS<br/>[FR] NOUVEAU PROCÉDÉ DE PRÉPARATION D'INTERMÉDIAIRES UTILISÉS POUR PRODUIRE DES INHIBITEURS DE L'ENDOPEPTIDASE NEUTRE (EPN)
申请人:NOVARTIS AG
公开号:WO2012025502A1
公开(公告)日:2012-03-01
The invention relates to a new process for producing useful intermediates for the manufacture of NEP inhibitors or prodrugs thereof, in particular NEP inhibitors comprising a γ-amino-δ-biphenyl-α-methylalkanoic acid, or acid ester, backbone, such as N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
该发明涉及一种用于生产NEP抑制剂或其前药的有用中间体的新工艺,特别是包括γ-氨基-δ-联苯基-α-甲基脂肪酸或酸酯骨架的NEP抑制剂,例如N-(3-羧基-1-氧代丙基)-(4S)-(对苯基苄基)-4-氨基-(2R)-甲基丁酸乙酯或其盐。