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

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic 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
    • C07D491/02—Heterocyclic 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
    • C07D491/04—Ortho-condensed systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating 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
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic 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 (https=) 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 (https=)
DE (1) DE2412509A1 (https=)

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 (https=) 1974-11-09
JPS5124362B2 (https=) 1976-07-23

Similar Documents

Publication Publication Date Title
DE2412640C3 (de) Druckempfindliches Kopierpapier
US4119776A (en) Vinyl phthalide color formers
DE2265233A1 (de) Neue farbstoffbildner und ihre verwendung
DE1795769B2 (de) 6,7A9-Tetrahydro-2H-pyrido [1,2-a] pyrimidinderivate, deren Salze mit Säuren und quaternär? Methosalze, Verfahren zu deren Herstellung sowie diese Verbindungen enthaltende Arzneimittel
US4016174A (en) Benzoindole phthalides
DE2505239A1 (de) Verfahren zur herstellung tetracyclischer verbindungen
DE2520148C2 (https=)
DE2412509A1 (de) Lactonverbindungen von pyridin-carbonsaeuren und verfahren zu deren herstellung
DE2842263A1 (de) Herstellung chromogener pyridinverbindungen
DE1445447A1 (de) Verfahren zur Herstellung neuer substituierter 3H-Indole
DE2317230A1 (de) Verfahren zur herstellung von aromaten und heteroaromaten
Sánchez et al. Two new β-carboline alkaloids from Aeschrion crenata
CH656138A5 (de) Chromogenes lacton.
DE2537776A1 (de) Phthalidverbindungen
DE2435408C2 (de) 2(3)-[α-Aminophenyl-α-tetrahydrochinolin-α-hydroxy]-methylpyridincarbonsäuren-3(2)-lactone
DE2703008A1 (de) Indolinospiropyranverbindungen
EP0102318B1 (de) Herstellung von beta-Amino-alpha,beta-ungesättigten Carbonsäureestern
DE2530463C3 (de) Triphenylmethanverbindungen
DE2521920A1 (de) Neue derivate von 1h-triazolo(4,5-c) pyridin-7-carbonsaeuren und -saeureestern
DE3707548A1 (de) Farbbildner, ihre herstellung und verwendung
CH507939A (de) Verfahren zur Herstellung von Dicarbonsäurederivaten
DE2355742A1 (de) Lactonverbindungen der pyridincarbonsaeure und druckempfindliche kopierpapiere, die diese enthalten
US3896116A (en) Lactone compounds derived from pyridine-carboxylic acids and process for preparing the same
CH666487A5 (de) Benzanthronlactone und verfahren zu ihrer herstellung.
DE2949804A1 (de) Substituierte furopyridinone und furopyrazinone, verfahren zu deren herstellung und diese enthaltende druckempfindliche und thermische abbildungssysteme