ES493481A0 - Procedimiento para preparar 2,7-dioxo-2,7-dihidroben- zo-(1:2-b;5:6-b1)difurano o -dipirrol - Google Patents
Procedimiento para preparar 2,7-dioxo-2,7-dihidroben- zo-(1:2-b;5:6-b1)difurano o -dipirrolInfo
- Publication number
- ES493481A0 ES493481A0 ES493481A ES493481A ES493481A0 ES 493481 A0 ES493481 A0 ES 493481A0 ES 493481 A ES493481 A ES 493481A ES 493481 A ES493481 A ES 493481A ES 493481 A0 ES493481 A0 ES 493481A0
- Authority
- ES
- Spain
- Prior art keywords
- dipirrol
- dihidroben
- difurane
- dioxo
- prepare
- 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
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- 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
- C09B57/00—Other synthetic dyes of known constitution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/92—Synthetic fiber dyeing
- Y10S8/922—Polyester fiber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/92—Synthetic fiber dyeing
- Y10S8/927—Polyacrylonitrile fiber
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7925030 | 1979-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8106011A1 ES8106011A1 (es) | 1981-07-01 |
ES493481A0 true ES493481A0 (es) | 1981-07-01 |
Family
ID=10506577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES493481A Granted ES493481A0 (es) | 1979-07-18 | 1980-07-17 | Procedimiento para preparar 2,7-dioxo-2,7-dihidroben- zo-(1:2-b;5:6-b1)difurano o -dipirrol |
Country Status (5)
Country | Link |
---|---|
US (1) | US4333877A (es) |
EP (1) | EP0023080B1 (es) |
JP (1) | JPS5618653A (es) |
DE (1) | DE3064390D1 (es) |
ES (1) | ES493481A0 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0036252B1 (en) * | 1980-03-13 | 1985-01-16 | Imperial Chemical Industries Plc | Textile printing process |
JPS6063325A (ja) * | 1983-09-19 | 1985-04-11 | Nippon Kokan Kk <Nkk> | 連続焼鈍炉の操業方法 |
EP0146269B1 (en) * | 1983-12-16 | 1990-01-03 | Imperial Chemical Industries Plc | Hetero-polycyclic aromatic compound |
JPS6475466A (en) * | 1987-09-16 | 1989-03-22 | Agency Ind Science Techn | Indole derivative and production thereof |
DE3911643C2 (de) * | 1988-04-20 | 1999-09-23 | Clariant Finance Bvi Ltd | Heterocyclische Farbstoffe |
US5212313A (en) * | 1988-10-03 | 1993-05-18 | Imperial Chemical Industries Plc | Polycyclic dyes |
GB8823158D0 (en) * | 1988-10-03 | 1988-11-09 | Ici Plc | Polycyclic dyes |
US5286881A (en) * | 1990-01-12 | 1994-02-15 | Sumitomo Chemical Company Limited | Process for producing benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials |
EP0492893A3 (en) * | 1990-12-21 | 1992-10-28 | Imperial Chemical Industries Plc | Mixtures and mixed crystals of dyes |
FR2674432B1 (fr) * | 1991-03-28 | 1993-07-02 | Oreal | Composition tinctoriale pour fibres keratiniques, contenant des precurseurs de colorants d'oxydation et des hydroxybenzofurannes, et procede de teinture mettant en óoeuvre ces compositions. |
GB9212095D0 (en) * | 1992-06-08 | 1992-07-22 | Ici Plc | Polycyclic dyes |
CH696358A5 (de) * | 2002-08-08 | 2007-05-15 | Siegfried Ag | Neue Oxobenzofuranon-Verbindungen. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4122087A (en) * | 1976-03-10 | 1978-10-24 | Imperial Chemical Industries Limited | Benzodipyrrole dyestuffs |
GB1568231A (en) * | 1976-03-10 | 1980-05-29 | Ici Ltd | Substituted 2,6-dioxo-2,6-dihydrobenzo (1:2-b; 4:5-6')-difuran or dipyrrole dyestuffs |
-
1980
- 1980-06-06 EP EP80301906A patent/EP0023080B1/en not_active Expired
- 1980-06-06 DE DE8080301906T patent/DE3064390D1/de not_active Expired
- 1980-07-10 US US06/168,446 patent/US4333877A/en not_active Expired - Lifetime
- 1980-07-17 JP JP9692480A patent/JPS5618653A/ja active Granted
- 1980-07-17 ES ES493481A patent/ES493481A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS643231B2 (es) | 1989-01-20 |
JPS5618653A (en) | 1981-02-21 |
ES8106011A1 (es) | 1981-07-01 |
EP0023080A1 (en) | 1981-01-28 |
US4333877A (en) | 1982-06-08 |
EP0023080B1 (en) | 1983-07-27 |
DE3064390D1 (en) | 1983-09-01 |
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