GB8315666D0 - Preparation of 4-azaphthalide compounds - Google Patents
Preparation of 4-azaphthalide compoundsInfo
- 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
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)
- Indole Compounds (AREA)
- Color Printing (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
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)
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 |
ES2167303T3 (en) * | 1986-10-28 | 2002-05-16 | Ciba Sc Holding Ag | CHROMOGEN FTALIDS. |
Family Cites Families (13)
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 |
DK536979A (en) * | 1978-12-29 | 1980-06-30 | Appleton Paper Inc | CHROMOGENT MATERIALS AND PROCEDURES FOR PRODUCING THEREOF |
US4275905A (en) * | 1978-12-29 | 1981-06-30 | Appleton Papers Inc. | Pressure-sensitive record material |
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 |
-
1983
- 1983-04-07 CH CH1868/83A patent/CH652733A5/en not_active IP Right Cessation
- 1983-05-25 FI FI831866A patent/FI76342C/en not_active IP Right Cessation
- 1983-06-01 DE DE3319978A patent/DE3319978C2/en not_active Expired - Fee Related
- 1983-06-07 FR FR8309446A patent/FR2543955B1/en not_active Expired
- 1983-06-08 ES ES523098A patent/ES523098A0/en active Granted
- 1983-06-08 GB GB08315666A patent/GB2138836B/en not_active Expired
- 1983-06-09 BE BE0/210964A patent/BE897007A/en not_active IP Right Cessation
- 1983-06-10 IT IT48477/83A patent/IT1171836B/en active
- 1983-06-14 JP JP58106605A patent/JPS59190993A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FI831866A0 (en) | 1983-05-25 |
ES8407492A1 (en) | 1984-10-01 |
GB2138836A (en) | 1984-10-31 |
IT1171836B (en) | 1987-06-10 |
FI831866L (en) | 1984-10-08 |
ES523098A0 (en) | 1984-10-01 |
JPS59190993A (en) | 1984-10-29 |
DE3319978A1 (en) | 1984-10-11 |
FI76342C (en) | 1988-10-10 |
FI76342B (en) | 1988-06-30 |
GB2138836B (en) | 1986-07-23 |
BE897007A (en) | 1983-12-09 |
IT8348477A0 (en) | 1983-06-10 |
FR2543955A1 (en) | 1984-10-12 |
CH652733A5 (en) | 1985-11-29 |
DE3319978C2 (en) | 1995-03-09 |
JPH0316954B2 (en) | 1991-03-06 |
FR2543955B1 (en) | 1986-04-11 |
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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 |