GB437873A - Improvements in the manufacture and production of glutamine - Google Patents
Improvements in the manufacture and production of glutamineInfo
- Publication number
- GB437873A GB437873A GB11592/35A GB1159235A GB437873A GB 437873 A GB437873 A GB 437873A GB 11592/35 A GB11592/35 A GB 11592/35A GB 1159235 A GB1159235 A GB 1159235A GB 437873 A GB437873 A GB 437873A
- Authority
- GB
- United Kingdom
- Prior art keywords
- followed
- ammonia
- treatment
- hydrogen
- glutamine
- 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.)
- Expired
Links
Landscapes
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Glutamine is obtained by converting g -esters of glutamic acid which are substituted by the radicle COOR (where R is an organic radicle) on the nitrogen atom, into amides by treatment with ammonia or amines, and treating the products with hydrogen. The said initial materials are obtained by treating the g -esters of glutamic acid with chlorocarbonic esters of alcohols. These are converted into amides with liquid ammonia, for example, followed by treatment with hydrogen preferably in presence of a hydrogenation catalyst. The amides may also be obtained by converting the g -ester into the hydrazide with hydrazine, followed by treating with nitrous acid to convert to the azide, followed by treatment with ammonia. According to examples, the N-carbobenzoxy-d-glutamic-g -ethyl ester is treated with: (1) liquid ammonia followed by hydrogen in presence of palladium catalyst, or with (2) anhydrous hydrazine, followed by treatment of the hydrazide obtained with nitrous acid, and of this product with ammonia, followed by reduction of the product with hydrogen and catalysts. The product obtained is d-glutamine.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE437873X | 1934-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB437873A true GB437873A (en) | 1935-11-06 |
Family
ID=6507088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11592/35A Expired GB437873A (en) | 1934-04-14 | 1935-04-15 | Improvements in the manufacture and production of glutamine |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB437873A (en) |
-
1935
- 1935-04-15 GB GB11592/35A patent/GB437873A/en not_active Expired
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