DK0441760T3 - Fremgangsmåde til rensning af N,N-dimethylmandelsyreamid - Google Patents
Fremgangsmåde til rensning af N,N-dimethylmandelsyreamidInfo
- Publication number
- DK0441760T3 DK0441760T3 DK91850021.6T DK91850021T DK0441760T3 DK 0441760 T3 DK0441760 T3 DK 0441760T3 DK 91850021 T DK91850021 T DK 91850021T DK 0441760 T3 DK0441760 T3 DK 0441760T3
- Authority
- DK
- Denmark
- Prior art keywords
- mandelic acid
- purifying
- dimethyl
- acid amide
- dem
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 abstract 1
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- -1 calcium halide Chemical class 0.000 abstract 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 abstract 1
- 229960002510 mandelic acid Drugs 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/22—Separation; Purification; Stabilisation; Use of additives
- C07C231/24—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/32—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C235/34—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9000421A SE502756C2 (sv) | 1990-02-06 | 1990-02-06 | Förfarande för rening av mandelsyra-N,N-dietylamid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0441760T3 true DK0441760T3 (da) | 1995-06-12 |
Family
ID=20378469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK91850021.6T DK0441760T3 (da) | 1990-02-06 | 1991-02-04 | Fremgangsmåde til rensning af N,N-dimethylmandelsyreamid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5149873A (de) |
| EP (1) | EP0441760B1 (de) |
| JP (1) | JPH072749A (de) |
| AT (1) | ATE116965T1 (de) |
| DE (1) | DE69106538T2 (de) |
| DK (1) | DK0441760T3 (de) |
| ES (1) | ES2066413T3 (de) |
| GR (1) | GR3015020T3 (de) |
| SE (1) | SE502756C2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678750A (zh) * | 2018-12-29 | 2019-04-26 | 上海天慈国际药业有限公司 | 一种n,n-二乙基-2-羟基-2-苯乙酰胺的制备方法 |
| ES2955483T3 (es) | 2019-07-12 | 2023-12-01 | Alzchem Trostberg Gmbh | Procedimiento para la producción de una modificación cristalina metaestable de ácido N-(aminoiminometil)-2-aminoetanoico (III) |
| CN111662205B (zh) * | 2020-06-22 | 2025-07-18 | 北京斯瑞朗文生物科技有限公司 | N,n-二乙基-2-羟基-2-苯乙酰胺的晶型及其制备方法和应用 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876800A (en) * | 1969-05-12 | 1975-04-08 | Clin Midy | Pharmaceutical compositions and methods for treating inflammation and pain |
| SE409808B (sv) * | 1976-04-06 | 1979-09-10 | Thorsell Walborg Susanna | Anvendning av vid kveveatomen disubstituerade mandelsyraamider sasom insektsavvisande medel |
| US4192892A (en) * | 1976-04-06 | 1980-03-11 | Elisabeth Malm | Aromatic α-hydroxyamides with insect repellant properties |
-
1990
- 1990-02-06 SE SE9000421A patent/SE502756C2/sv not_active IP Right Cessation
-
1991
- 1991-02-01 US US07/649,401 patent/US5149873A/en not_active Expired - Fee Related
- 1991-02-04 EP EP91850021A patent/EP0441760B1/de not_active Expired - Lifetime
- 1991-02-04 ES ES91850021T patent/ES2066413T3/es not_active Expired - Lifetime
- 1991-02-04 DK DK91850021.6T patent/DK0441760T3/da active
- 1991-02-04 DE DE69106538T patent/DE69106538T2/de not_active Expired - Fee Related
- 1991-02-04 AT AT91850021T patent/ATE116965T1/de not_active IP Right Cessation
- 1991-02-05 JP JP3035347A patent/JPH072749A/ja active Pending
-
1995
- 1995-02-08 GR GR950400263T patent/GR3015020T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE502756C2 (sv) | 1996-01-08 |
| JPH072749A (ja) | 1995-01-06 |
| DE69106538D1 (de) | 1995-02-23 |
| GR3015020T3 (en) | 1995-05-31 |
| US5149873A (en) | 1992-09-22 |
| SE9000421L (sv) | 1991-08-07 |
| EP0441760A1 (de) | 1991-08-14 |
| EP0441760B1 (de) | 1995-01-11 |
| SE9000421D0 (sv) | 1990-02-06 |
| ES2066413T3 (es) | 1995-03-01 |
| ATE116965T1 (de) | 1995-01-15 |
| DE69106538T2 (de) | 1995-05-18 |
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