JPS523016A - Preparation of high-purity leucine - Google Patents
Preparation of high-purity leucineInfo
- Publication number
- JPS523016A JPS523016A JP7915075A JP7915075A JPS523016A JP S523016 A JPS523016 A JP S523016A JP 7915075 A JP7915075 A JP 7915075A JP 7915075 A JP7915075 A JP 7915075A JP S523016 A JPS523016 A JP S523016A
- Authority
- JP
- Japan
- Prior art keywords
- leucine
- purity
- preparation
- toluenesulfonate
- nutrient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To obtain high-purity leucine, useful as drug and nutrient, easily and in low cost by reacting p-toluenesulfonic acid with a mixture of amino acids, followed by isolation as its p-toluenesulfonate.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7915075A JPS523016A (en) | 1975-06-24 | 1975-06-24 | Preparation of high-purity leucine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7915075A JPS523016A (en) | 1975-06-24 | 1975-06-24 | Preparation of high-purity leucine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS523016A true JPS523016A (en) | 1977-01-11 |
JPS5610908B2 JPS5610908B2 (en) | 1981-03-11 |
Family
ID=13681919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7915075A Granted JPS523016A (en) | 1975-06-24 | 1975-06-24 | Preparation of high-purity leucine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS523016A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0748791A2 (en) * | 1995-06-12 | 1996-12-18 | Ajinomoto Co., Inc. | Valine p-isopropylbenzene sulfonate and a process for purifying valine |
US6072083A (en) * | 1997-02-26 | 2000-06-06 | Ajinomoto Co., Inc. | Method for purifying branched chain amino acids |
WO2003074470A1 (en) * | 2002-03-06 | 2003-09-12 | Ajinomoto Co., Inc. | PROCESS FOR PRODUCING tert-LEUCINE |
-
1975
- 1975-06-24 JP JP7915075A patent/JPS523016A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0748791A2 (en) * | 1995-06-12 | 1996-12-18 | Ajinomoto Co., Inc. | Valine p-isopropylbenzene sulfonate and a process for purifying valine |
US5689001A (en) * | 1995-06-12 | 1997-11-18 | Ajinomoto Co., Inc. | Process for purifying valine |
EP0748791A3 (en) * | 1995-06-12 | 1997-11-19 | Ajinomoto Co., Inc. | Valine p-isopropylbenzene sulfonate and a process for purifying valine |
US6072083A (en) * | 1997-02-26 | 2000-06-06 | Ajinomoto Co., Inc. | Method for purifying branched chain amino acids |
WO2003074470A1 (en) * | 2002-03-06 | 2003-09-12 | Ajinomoto Co., Inc. | PROCESS FOR PRODUCING tert-LEUCINE |
Also Published As
Publication number | Publication date |
---|---|
JPS5610908B2 (en) | 1981-03-11 |
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