[EN] BIARYL-SUBSTITUTED 4-AMINO-BUTYRIC ACID DERIVATIVE, PREPARATION METHOD THEREFOR AND USES THEREOF<br/>[FR] DÉRIVÉ D'ACIDE 4-AMINOBUTYRIQUE SUBSTITUÉ PAR BIARYLE, PROCÉDÉ DE PRÉPARATION S'Y RAPPORTANT ET SES UTILISATIONS
PROCESS FOR PREPARING 5-BIPHENYL-4-AMINO-2-METHYL PENTANOIC ACID
申请人:Hook David
公开号:US20120142916A1
公开(公告)日:2012-06-07
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.
Process for Preparing 5-biphenyl-4-amino-2-methyl Pentanoic Acid
申请人:Hook David
公开号:US20150166468A1
公开(公告)日:2015-06-18
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.
Sacubitril intermediate and preparation method thereof
申请人:SUNSHINE LAKE PHARMA CO., LTD.
公开号:US10479753B2
公开(公告)日:2019-11-19
The present invention relates to a sacubitril intermediate and a preparation method thereof. The sacubitril intermediate disclosed herein can be prepared by a deprotection reaction of a compound. In addition, the intermediate can be used as a raw material to synthesize sacubitril. The method disclosed herein has advantages of easily obtained raw materials, simple preparation process, low cost, environment friendly, and etc., which is very suitable for industrial production.