- 专利标题: Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid
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申请号: US14224700申请日: 2014-03-25
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公开(公告)号: US08993785B2公开(公告)日: 2015-03-31
- 发明人: David Hook , Thomas Ruch , Bernard Riss , Bernhard Wietfeld , Gottfried Sedelmeier , Matthias Napp , Markus Bänziger , Steven Hawker , Lech Ciszewski , Liladhar Murlidhar Waykole
- 申请人: David Hook , Thomas Ruch , Bernard Riss , Bernhard Wietfeld , Gottfried Sedelmeier , Matthias Napp , Markus Bänziger , Steven Hawker , Lech Ciszewski , Liladhar Murlidhar Waykole
- 申请人地址: CH Basel
- 专利权人: Novartis AG
- 当前专利权人: Novartis AG
- 当前专利权人地址: CH Basel
- 代理商 Matthew Mulkeen; David R. Kulandsky
- 优先权: EP07100451 20070112
- 主分类号: C07D207/38
- IPC分类号: C07D207/38 ; C07D207/267 ; C07D207/44 ; C07C269/04 ; C07C227/16 ; C07C227/22 ; C07C227/32 ; C07C229/34 ; C07C231/02 ; C07C233/47 ; C07C271/22 ; C07D207/24 ; C07D207/26 ; C07D207/27 ; C07D207/273 ; C07D207/277 ; C07D207/40 ; C07F7/10 ; C07C219/18 ; C07D207/12 ; C07C227/20 ; C07C231/12 ; C07D207/404 ; C07D403/06
摘要:
The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
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