US Patent 7321055 Production method of optically active dephenylalanine compounds
Patent 7321055 was granted and assigned to AJINOMOTO CO., INC. on January, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Masanobu Yatagai0
Masayuki Oshita0
Takayuki Hamada0
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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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US Patent 07321055 Production method of optically active dephenylalanine compounds US Patent 7321055 Production method of optically active dephenylalanine compounds
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Patent Number
073210550
Patent Number
73210550
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Patent Jurisdiction
Patent Number
073210550
Date of Patent
January 22, 2008
0Patent Application Number
114987520
Date Filed
August 4, 2006
0Official Website
Patent Primary Examiner
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US Patent 07321055 Production method of optically active dephenylalanine compounds
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07321055
Date of patent
January 22, 2008
Patent application number
11498752
Date Filed
August 4, 2006
Patent primary examiner
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