IT1171836B - PROCEDURE FOR THE PREPARATION OF 4-AZAPHTHALID COMPOUNDS - Google Patents
PROCEDURE FOR THE PREPARATION OF 4-AZAPHTHALID COMPOUNDSInfo
- Publication number
- IT1171836B IT1171836B IT48477/83A IT4847783A IT1171836B IT 1171836 B IT1171836 B IT 1171836B IT 48477/83 A IT48477/83 A IT 48477/83A IT 4847783 A IT4847783 A IT 4847783A IT 1171836 B IT1171836 B IT 1171836B
- Authority
- IT
- Italy
- Prior art keywords
- azaphthalid
- compounds
- procedure
- preparation
- azaphthalid compounds
- Prior art date
Links
- YSJHADWSLVFGGT-UHFFFAOYSA-N 7h-furo[3,4-b]pyridin-5-one Chemical class C1=CC=C2C(=O)OCC2=N1 YSJHADWSLVFGGT-UHFFFAOYSA-N 0.000 title 1
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 (2)
| Publication Number | Publication Date |
|---|---|
| IT8348477A0 IT8348477A0 (en) | 1983-06-10 |
| IT1171836B true IT1171836B (en) | 1987-06-10 |
Family
ID=4220467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT48477/83A IT1171836B (en) | 1983-04-07 | 1983-06-10 | PROCEDURE FOR THE PREPARATION OF 4-AZAPHTHALID 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 |
| EP0266310B1 (en) * | 1986-10-28 | 2001-12-05 | Ciba SC Holding AG | Chromogenic phthalides |
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 |
| IE49314B1 (en) * | 1978-12-11 | 1985-09-18 | Sterling Drug Inc | Substituted furopyridinones and furopyrazinones 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 GB GB08315666A patent/GB2138836B/en not_active Expired
- 1983-06-08 ES ES523098A patent/ES523098A0/en active Granted
- 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 |
| GB2138836B (en) | 1986-07-23 |
| ES8407492A1 (en) | 1984-10-01 |
| FI831866L (en) | 1984-10-08 |
| FR2543955A1 (en) | 1984-10-12 |
| BE897007A (en) | 1983-12-09 |
| FR2543955B1 (en) | 1986-04-11 |
| FI76342B (en) | 1988-06-30 |
| JPH0316954B2 (en) | 1991-03-06 |
| GB2138836A (en) | 1984-10-31 |
| ES523098A0 (en) | 1984-10-01 |
| JPS59190993A (en) | 1984-10-29 |
| FI76342C (en) | 1988-10-10 |
| IT8348477A0 (en) | 1983-06-10 |
| GB8315666D0 (en) | 1983-07-13 |
| DE3319978C2 (en) | 1995-03-09 |
| CH652733A5 (en) | 1985-11-29 |
| DE3319978A1 (en) | 1984-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970513 |