发明授权
US09206116B2 Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid 有权
制备5-联苯-4-氨基-2-甲基戊酸的方法

Process for preparing 5-biphenyl-4-amino-2-methyl pentanoic acid
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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