GB1069617A - Resolution of di-glutamic acid - Google Patents
Resolution of di-glutamic acidInfo
- Publication number
- GB1069617A GB1069617A GB2554465A GB2554465A GB1069617A GB 1069617 A GB1069617 A GB 1069617A GB 2554465 A GB2554465 A GB 2554465A GB 2554465 A GB2554465 A GB 2554465A GB 1069617 A GB1069617 A GB 1069617A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glutamic acid
- solution
- acid hydrochloride
- resolution
- solids
- 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
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
DL-Glutamic acid hydrochloride is optically resolved by adding to a supersturated solution thereof at least 1% (based on the weight of desired optical isomer in the solution) of seed crystals of one optically-active form of glutamic acid hydrochloride, crystallizing solids from the solution, removing said solids from the solution before spontaneous nucleation and crystallization of any substantial portion of the non-seeded enantiomorph occurs, heating the mother liquor at 180 DEG to 200 DEG C. to convert the remaining glutamic acid hydrochloride to the fully racemic form and supersaturating the resulting solution with respect to DL-glutamic acid hydrochloride to provide a solution capable of further resolution.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37753264A | 1964-06-24 | 1964-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1069617A true GB1069617A (en) | 1967-05-24 |
Family
ID=23489488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2554465A Expired GB1069617A (en) | 1964-06-24 | 1965-06-16 | Resolution of di-glutamic acid |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE665889A (en) |
DE (1) | DE1493876A1 (en) |
GB (1) | GB1069617A (en) |
NL (1) | NL6508110A (en) |
-
1965
- 1965-06-16 GB GB2554465A patent/GB1069617A/en not_active Expired
- 1965-06-23 DE DE19651493876 patent/DE1493876A1/en active Pending
- 1965-06-24 BE BE665889A patent/BE665889A/xx unknown
- 1965-06-24 NL NL6508110A patent/NL6508110A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1493876A1 (en) | 1972-02-24 |
BE665889A (en) | 1965-12-24 |
NL6508110A (en) | 1965-12-27 |
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