CH657613A5 - Novel intermediates for preparing 2-(2-aminothiazol-4-yl)glyoxylic acid derivatives or a salt thereof, and a process for preparing the intermediates - Google Patents

Novel intermediates for preparing 2-(2-aminothiazol-4-yl)glyoxylic acid derivatives or a salt thereof, and a process for preparing the intermediates Download PDF

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Publication number
CH657613A5
CH657613A5 CH544185A CH544185A CH657613A5 CH 657613 A5 CH657613 A5 CH 657613A5 CH 544185 A CH544185 A CH 544185A CH 544185 A CH544185 A CH 544185A CH 657613 A5 CH657613 A5 CH 657613A5
Authority
CH
Switzerland
Prior art keywords
salt
general formula
group
amino group
protected
Prior art date
Application number
CH544185A
Other languages
German (de)
English (en)
Inventor
Hiroshi Sadaki
Hiroyuki Imaizumi
Kenji Takeda
Takihiro Inaba
Ryuko Takeno
Seishi Morita
Tetsuya Kajita
Isamu Saikawa
Original Assignee
Toyama Chemical Co Ltd
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 Toyama Chemical Co Ltd filed Critical Toyama Chemical Co Ltd
Publication of CH657613A5 publication Critical patent/CH657613A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D277/00Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/02Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
    • C07D277/20Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D277/32Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D277/38Nitrogen atoms
    • C07D277/44Acylated amino or imino radicals
    • C07D277/48Acylated amino or imino radicals by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof, e.g. carbonylguanidines
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/63Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/79Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D277/00Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/02Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
    • C07D277/20Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D277/32Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D277/38Nitrogen atoms
    • C07D277/40Unsubstituted amino or imino radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
CH544185A 1982-06-17 1983-06-14 Novel intermediates for preparing 2-(2-aminothiazol-4-yl)glyoxylic acid derivatives or a salt thereof, and a process for preparing the intermediates CH657613A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57103109A JPS58222076A (ja) 1982-06-17 1982-06-17 2−アミノチアゾ−ル誘導体

Publications (1)

Publication Number Publication Date
CH657613A5 true CH657613A5 (en) 1986-09-15

Family

ID=14345440

Family Applications (1)

Application Number Title Priority Date Filing Date
CH544185A CH657613A5 (en) 1982-06-17 1983-06-14 Novel intermediates for preparing 2-(2-aminothiazol-4-yl)glyoxylic acid derivatives or a salt thereof, and a process for preparing the intermediates

Country Status (2)

Country Link
JP (1) JPS58222076A (en, 2012)
CH (1) CH657613A5 (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4977264A (en) * 1988-11-21 1990-12-11 Lonza Ltd. Process for the production of 4,5-dichloro-6-ethylpyrimidine
JP4111856B2 (ja) 2002-04-12 2008-07-02 昭和電工株式会社 安定化されたアスコルビン酸誘導体

Also Published As

Publication number Publication date
JPS58222076A (ja) 1983-12-23
JPH0375545B2 (en, 2012) 1991-12-02

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PL Patent ceased