GB8315666D0 - Preparation of 4-azaphthalide compounds - Google Patents

Preparation of 4-azaphthalide compounds

Info

Publication number
GB8315666D0
GB8315666D0 GB838315666A GB8315666A GB8315666D0 GB 8315666 D0 GB8315666 D0 GB 8315666D0 GB 838315666 A GB838315666 A GB 838315666A GB 8315666 A GB8315666 A GB 8315666A GB 8315666 D0 GB8315666 D0 GB 8315666D0
Authority
GB
United Kingdom
Prior art keywords
preparation
azaphthalide compounds
azaphthalide
compounds
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.)
Granted
Application number
GB838315666A
Other versions
GB2138836A (en
GB2138836B (en
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB8315666D0 publication Critical patent/GB8315666D0/en
Publication of GB2138836A publication Critical patent/GB2138836A/en
Application granted granted Critical
Publication of GB2138836B publication Critical patent/GB2138836B/en
Expired 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
GB08315666A 1983-04-07 1983-06-08 Process for the preparation of 4-azaphthalide compounds Expired GB2138836B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1868/83A CH652733A5 (en) 1983-04-07 1983-04-07 METHOD FOR PRODUCING 4-AZAPHTHALIDE COMPOUNDS.

Publications (3)

Publication Number Publication Date
GB8315666D0 true GB8315666D0 (en) 1983-07-13
GB2138836A GB2138836A (en) 1984-10-31
GB2138836B GB2138836B (en) 1986-07-23

Family

ID=4220467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08315666A Expired GB2138836B (en) 1983-04-07 1983-06-08 Process for the preparation of 4-azaphthalide compounds

Country Status (9)

Country Link
JP (1) JPS59190993A (en)
BE (1) BE897007A (en)
CH (1) CH652733A5 (en)
DE (1) DE3319978C2 (en)
ES (1) ES523098A0 (en)
FI (1) FI76342C (en)
FR (1) FR2543955B1 (en)
GB (1) GB2138836B (en)
IT (1) IT1171836B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664578A5 (en) * 1985-01-15 1988-03-15 Ciba Geigy Ag RING SUBSTITUTED 4-AZAPHTHALID.
US4660060A (en) * 1985-06-17 1987-04-21 The Hilton-Davis Chemical Co. Imaging systems containing 3-(indol-3-yl)-3-(4-substituted aminophenyl)phthalides
DE3752344D1 (en) * 1986-10-28 2002-01-17 Ciba Sc Holding Ag Chromogenic phthalides

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491116A (en) * 1967-01-30 1970-01-20 Ncr Co 3-(phenyl)-3-(indol-3-yl)-phthalides
JPS4916726B1 (en) * 1970-12-28 1974-04-24
US4096176A (en) * 1972-12-12 1978-06-20 Sterling Drug Inc. Benzoylbenzoic acids
JPS49118514A (en) * 1973-03-15 1974-11-13
JPS503426A (en) * 1973-05-16 1975-01-14
JPS5031917A (en) * 1973-07-24 1975-03-28
CH594511A5 (en) * 1976-01-16 1978-01-13 Ciba Geigy Ag
CA1110244A (en) * 1977-09-29 1981-10-06 Troy E. Hoover Synthesis of chromogenic indolylphenyldihydrofuropyridin-one compounds
CA1137477A (en) * 1978-12-11 1982-12-14 Paul J. Schmidt Substituted furopyridinones and furopyrazinines as color formers in pressure- sensitive and thermal imaging systems
US4275905A (en) * 1978-12-29 1981-06-30 Appleton Papers Inc. Pressure-sensitive record material
DK536979A (en) * 1978-12-29 1980-06-30 Appleton Paper Inc CHROMOGENT MATERIALS AND PROCEDURES FOR PRODUCING THEREOF
JPS56151597A (en) * 1980-04-28 1981-11-24 Yamamoto Kagaku Gosei Kk Recording material
JPS57212092A (en) * 1981-06-23 1982-12-27 Yamada Kagaku Kogyo Kk Color-forming recording material

Also Published As

Publication number Publication date
FR2543955B1 (en) 1986-04-11
FI76342B (en) 1988-06-30
DE3319978A1 (en) 1984-10-11
JPS59190993A (en) 1984-10-29
FI831866A0 (en) 1983-05-25
DE3319978C2 (en) 1995-03-09
CH652733A5 (en) 1985-11-29
IT8348477A0 (en) 1983-06-10
FI831866L (en) 1984-10-08
GB2138836A (en) 1984-10-31
IT1171836B (en) 1987-06-10
GB2138836B (en) 1986-07-23
FI76342C (en) 1988-10-10
FR2543955A1 (en) 1984-10-12
ES8407492A1 (en) 1984-10-01
JPH0316954B2 (en) 1991-03-06
ES523098A0 (en) 1984-10-01
BE897007A (en) 1983-12-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990608