Production method of optically active dephenylalanine compounds
申请人:Hamada Takayuki
公开号:US20070032658A1
公开(公告)日:2007-02-08
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):
wherein each symbol is as defined in the specification.
Production method of optically active diphenylalanine compounds
申请人:Ajinomoto Co., Ltd.
公开号:EP1749816A1
公开(公告)日:2007-02-07
The present invention provides a production method capable of affording an optically active diphenylalanine compound conveniently in a good yield. Specifically, a diphenylalanine compound represented by the formula (1) is reacted with an optically active amine compound represented by the formula (2) in the presence of an organic solvent to give a diastereomeric salt represented by the formula (5) and the diastereomeric salt is treated under acidic conditions to give an optically active diphenylalanine compound represented by the formula (3):
wherein each symbol is as defined in the specification.