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

Fremgangsmåde til rensning af N,N-dimethylmandelsyreamid

Info

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
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.)
Filing date
Publication date
Application filed by Hampshire Chemical Corp filed Critical Hampshire Chemical Corp
Application granted granted Critical
Publication of DK0441760T3 publication Critical patent/DK0441760T3/da

Links

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

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
EP3997062A1 (de) * 2019-07-12 2022-05-18 AlzChem Trostberg GmbH Metastabile kristallmodifikation und verfahren zu deren herstellung (i)
CN111662205A (zh) * 2020-06-22 2020-09-15 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

Also Published As

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

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