DE2520148C2 - - Google Patents
Info
- Publication number
- DE2520148C2 DE2520148C2 DE2520148A DE2520148A DE2520148C2 DE 2520148 C2 DE2520148 C2 DE 2520148C2 DE 2520148 A DE2520148 A DE 2520148A DE 2520148 A DE2520148 A DE 2520148A DE 2520148 C2 DE2520148 C2 DE 2520148C2
- Authority
- DE
- Germany
- Prior art keywords
- radical
- quinoxalic
- hydrogen
- furo
- quinoxalin
- 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.)
- Expired
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
- C07D241/40—Benzopyrazines
- C07D241/44—Benzopyrazines with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20532571A | 1971-12-06 | 1971-12-06 | |
US00352832A US3853869A (en) | 1971-12-06 | 1973-04-19 | 7-(1-ethyl-2-methylindol-3-yl) 7-(substituted)-5,7-dihydrofuro (3,4-b) pyrazin-5-one |
US46811274A | 1974-05-08 | 1974-05-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2520148A1 DE2520148A1 (de) | 1976-01-22 |
DE2520148C2 true DE2520148C2 (nl) | 1987-09-03 |
Family
ID=32966394
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2259409A Expired DE2259409C2 (de) | 1971-12-06 | 1972-12-05 | Chromogene Furo[3,4-b]pyridin-7-one und -pyrazin-5-one |
DE19752520148 Granted DE2520148A1 (de) | 1971-12-06 | 1975-05-06 | Chromogene chinoxalin-verbindungen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2259409A Expired DE2259409C2 (de) | 1971-12-06 | 1972-12-05 | Chromogene Furo[3,4-b]pyridin-7-one und -pyrazin-5-one |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE2259409C2 (nl) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2259409C2 (de) * | 1971-12-06 | 1985-10-10 | Appleton Papers Inc., Appleton, Wis. | Chromogene Furo[3,4-b]pyridin-7-one und -pyrazin-5-one |
JPS585210B2 (ja) * | 1973-07-24 | 1983-01-29 | 保土谷化学工業株式会社 | シキソ ノ セイソクウホウホウ |
GB1467898A (en) * | 1974-04-09 | 1977-03-23 | Ciba Geigy Ag | Heterocyclic substituted lactone compounds their manufacture and use |
JPS5316731B2 (nl) * | 1974-07-08 | 1978-06-03 | ||
US4022771A (en) * | 1975-04-10 | 1977-05-10 | Ncr Corporation | Aminophenyl lactone compounds containing an ethyleno group |
US4020056A (en) * | 1975-04-10 | 1977-04-26 | Ncr Corporation | Di-vinyl phthalides color formers |
JPS5220113A (en) * | 1975-08-06 | 1977-02-15 | Yamamoto Kagaku Gosei Kk | Recording materials |
GR73674B (nl) * | 1978-12-29 | 1984-03-29 | Appleton Paper Inc | |
DK536979A (da) * | 1978-12-29 | 1980-06-30 | Appleton Paper Inc | Chromogent materiale og fremgangsmaade til fremstilling deraf |
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 |
US8372782B2 (en) | 2003-02-28 | 2013-02-12 | Zink Imaging, Inc. | Imaging system |
Family Cites Families (2)
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 |
DE2259409C2 (de) * | 1971-12-06 | 1985-10-10 | Appleton Papers Inc., Appleton, Wis. | Chromogene Furo[3,4-b]pyridin-7-one und -pyrazin-5-one |
-
1972
- 1972-12-05 DE DE2259409A patent/DE2259409C2/de not_active Expired
-
1975
- 1975-05-06 DE DE19752520148 patent/DE2520148A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2520148A1 (de) | 1976-01-22 |
DE2259409A1 (de) | 1973-06-20 |
DE2259409C2 (de) | 1985-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OGA | New person/name/address of the applicant | ||
8127 | New person/name/address of the applicant |
Owner name: APPLETON PAPERS INC., APPLETON, WIS., US |
|
8128 | New person/name/address of the agent |
Representative=s name: WEICKMANN, H., DIPL.-ING. FINCKE, K., DIPL.-PHYS. |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |