DE2412509A1 - Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung - Google Patents

Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung

Info

Publication number
DE2412509A1
DE2412509A1 DE2412509A DE2412509A DE2412509A1 DE 2412509 A1 DE2412509 A1 DE 2412509A1 DE 2412509 A DE2412509 A DE 2412509A DE 2412509 A DE2412509 A DE 2412509A DE 2412509 A1 DE2412509 A1 DE 2412509A1
Authority
DE
Germany
Prior art keywords
mixture
acid
lactone
methyl
carbonyl
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.)
Pending
Application number
DE2412509A
Other languages
German (de)
English (en)
Inventor
Yoshihide Miyazawa
Katsuichi Motohasi
Minoru Ozutsumi
Taiji Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya 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 Hodogaya Chemical Co Ltd filed Critical Hodogaya Chemical Co Ltd
Publication of DE2412509A1 publication Critical patent/DE2412509A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D491/00Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04Ortho-condensed systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/145Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323Organic colour formers, e.g. leuco dyes
    • B41M5/327Organic colour formers, e.g. leuco dyes with a lactone or lactam ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Printing (AREA)
  • Plural Heterocyclic Compounds (AREA)
DE2412509A 1973-03-15 1974-03-15 Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung Pending DE2412509A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48029462A JPS5124362B2 (enrdf_load_stackoverflow) 1973-03-15 1973-03-15

Publications (1)

Publication Number Publication Date
DE2412509A1 true DE2412509A1 (de) 1974-09-26

Family

ID=12276754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2412509A Pending DE2412509A1 (de) 1973-03-15 1974-03-15 Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung

Country Status (2)

Country Link
JP (1) JPS5124362B2 (enrdf_load_stackoverflow)
DE (1) DE2412509A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634987A1 (de) * 1975-08-06 1977-02-24 Yamamoto Kagaku Gosei Kk Chromogene verbindungen
EP0266310A1 (de) * 1986-10-28 1988-05-04 Ciba-Geigy Ag Chromogene Phthalide und Azaphthalide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3964478B2 (ja) * 1995-06-30 2007-08-22 エーザイ・アール・アンド・ディー・マネジメント株式会社 ヘテロ環含有カルボン酸誘導体及びそれを含有する医薬

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791793A (fr) * 1971-12-06 1973-03-16 Ncr Co Composes chromogenes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634987A1 (de) * 1975-08-06 1977-02-24 Yamamoto Kagaku Gosei Kk Chromogene verbindungen
EP0266310A1 (de) * 1986-10-28 1988-05-04 Ciba-Geigy Ag Chromogene Phthalide und Azaphthalide

Also Published As

Publication number Publication date
JPS49117526A (enrdf_load_stackoverflow) 1974-11-09
JPS5124362B2 (enrdf_load_stackoverflow) 1976-07-23

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