Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masanobu Yatagai0
Takayuki Hamada0
Masayuki Oshita0
Date of Patent
January 22, 2008
0Patent Application Number
114987520
Date Filed
August 4, 2006
0Patent Primary Examiner
Patent abstract
Optically active diphenylalanine compounds may be conveniently prepared in a good yield by reacting a diphenylalanine compound represented by formula (1) with an optically active amine compound represented by formula (2) in the presence of an organic solvent to give a diastereomeric salt represented by formula (5) and then treating the diastereomeric salt under acidic conditions to give an optically active diphenylalanine compound represented by formula (3):
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