DK0441760T3 - Fremgangsmåde til rensning af N,N-dimethylmandelsyreamid - Google Patents

Fremgangsmåde til rensning af N,N-dimethylmandelsyreamid

Info

Publication number: DK0441760T3
Authority: DK; Denmark
Prior art keywords: mandelic acid; purifying; dimethyl; acid amide; dem
Prior art date: 1990-02-06

Application number

DK91850021.6T

Other languages

Danish (da)

English (en)

Inventor

Christer Lennart Hakansson

Bengt Lennart Karlsson

Original Assignee

Hampshire Chemical Corp

Priority date (The priority date 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 date listed.)

1990-02-06

Filing date

1991-02-04

Publication date

1995-06-12

1991-02-04 Application filed by Hampshire Chemical Corp filed Critical Hampshire Chemical Corp

1995-06-12 Application granted granted Critical

1995-06-12 Publication of DK0441760T3 publication Critical patent/DK0441760T3/da

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)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)

DK91850021.6T 1990-02-06 1991-02-04 Fremgangsmåde til rensning af N,N-dimethylmandelsyreamid DK0441760T3 (da)

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 (fr)
EP (1)	EP0441760B1 (fr)
JP (1)	JPH072749A (fr)
AT (1)	ATE116965T1 (fr)
DE (1)	DE69106538T2 (fr)
DK (1)	DK0441760T3 (fr)
ES (1)	ES2066413T3 (fr)
GR (1)	GR3015020T3 (fr)
SE (1)	SE502756C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
EP3997065B1 (fr)	2019-07-12	2023-08-02	Alzchem Trostberg GmbH	Procédé de production d'une modification cristalline métastable de l'acide n- (aminoiminométhyl)-2-aminoacétique (iv)
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)

* Cited by examiner, † Cited by third party
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/fr not_active Expired - Lifetime
- 1991-02-04 AT AT91850021T patent/ATE116965T1/de not_active IP Right Cessation
- 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
- 1991-02-05 JP JP3035347A patent/JPH072749A/ja active Pending
1995
- 1995-02-08 GR GR950400263T patent/GR3015020T3/el unknown

Also Published As

Publication number	Publication date
ES2066413T3 (es)	1995-03-01
DE69106538D1 (de)	1995-02-23
SE9000421L (sv)	1991-08-07
SE502756C2 (sv)	1996-01-08
ATE116965T1 (de)	1995-01-15
US5149873A (en)	1992-09-22
EP0441760B1 (fr)	1995-01-11
DE69106538T2 (de)	1995-05-18
JPH072749A (ja)	1995-01-06
SE9000421D0 (sv)	1990-02-06
GR3015020T3 (en)	1995-05-31
EP0441760A1 (fr)	1991-08-14

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