BR8802899A - Processo para producao de quinoxalinas-2 e processo de preparacao de cloro-6-hidroxiquinoleina-2 - Google Patents
Processo para producao de quinoxalinas-2 e processo de preparacao de cloro-6-hidroxiquinoleina-2Info
- Publication number
- BR8802899A BR8802899A BR8802899A BR8802899A BR8802899A BR 8802899 A BR8802899 A BR 8802899A BR 8802899 A BR8802899 A BR 8802899A BR 8802899 A BR8802899 A BR 8802899A BR 8802899 A BR8802899 A BR 8802899A
- Authority
- BR
- Brazil
- Prior art keywords
- hydroxyquinolein
- quinoxalines
- chlorine
- preparation
- production
- Prior art date
Links
Classifications
-
- 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
- C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
- C07D241/52—Oxygen atoms
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6503787A | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8802899A true BR8802899A (pt) | 1989-01-03 |
Family
ID=22059936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8802899A BR8802899A (pt) | 1987-06-19 | 1988-06-14 | Processo para producao de quinoxalinas-2 e processo de preparacao de cloro-6-hidroxiquinoleina-2 |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0295815A3 (pt) |
| JP (1) | JPH064603B2 (pt) |
| KR (1) | KR900004417B1 (pt) |
| CN (1) | CN1017994B (pt) |
| AR (1) | AR246961A1 (pt) |
| AU (1) | AU601851B2 (pt) |
| BR (1) | BR8802899A (pt) |
| CA (1) | CA1314887C (pt) |
| FI (1) | FI882895A (pt) |
| IL (1) | IL86416A (pt) |
| IN (1) | IN168350B (pt) |
| MX (1) | MX168770B (pt) |
| ZA (1) | ZA883783B (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0339411B1 (de) * | 1988-04-26 | 1992-08-12 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Chinoxalonen |
| DE3925969A1 (de) * | 1989-08-05 | 1991-02-07 | Hoechst Ag | Verfahren zur herstellung von 2,6-dichlorchinoxalin |
| US6004525A (en) * | 1997-10-06 | 1999-12-21 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Hollow oxide particle and process for producing the same |
| CN101941947B (zh) * | 2010-08-27 | 2012-06-27 | 山东京博控股股份有限公司 | 一种6-氯-2-羟基喹喔啉的合成方法 |
| CN103864703B (zh) * | 2014-02-20 | 2016-06-01 | 江苏丰山集团股份有限公司 | 一种雷尼镍催化加氢制备6-氯-2-喹喔啉酚的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636562A (en) * | 1982-05-07 | 1987-01-13 | E. I. Du Pont De Nemours And Company | Process for preparing 6-halo-2-chloroquinoxaline |
| JPS60158184A (ja) * | 1984-01-27 | 1985-08-19 | Nippon Kayaku Co Ltd | ２−キノキサリノ−ル類の製造法 |
| US4814444A (en) * | 1987-06-19 | 1989-03-21 | Uniroyal Chemical Company, Inc. | Process for the selective reduction of 2-hydroxyquinoxaline-4-oxides |
-
1988
- 1988-05-18 IL IL86416A patent/IL86416A/xx unknown
- 1988-05-20 IN IN449/DEL/88A patent/IN168350B/en unknown
- 1988-05-26 ZA ZA883783A patent/ZA883783B/xx unknown
- 1988-05-27 CA CA000568015A patent/CA1314887C/en not_active Expired - Fee Related
- 1988-06-03 EP EP88305087A patent/EP0295815A3/en not_active Withdrawn
- 1988-06-08 AU AU17498/88A patent/AU601851B2/en not_active Ceased
- 1988-06-14 BR BR8802899A patent/BR8802899A/pt not_active IP Right Cessation
- 1988-06-16 KR KR1019880007236A patent/KR900004417B1/ko not_active IP Right Cessation
- 1988-06-16 FI FI882895A patent/FI882895A/fi not_active Application Discontinuation
- 1988-06-17 MX MX011943A patent/MX168770B/es unknown
- 1988-06-17 JP JP63149909A patent/JPH064603B2/ja not_active Expired - Lifetime
- 1988-06-17 CN CN88103658A patent/CN1017994B/zh not_active Expired
- 1988-06-26 AR AR88311145A patent/AR246961A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6416773A (en) | 1989-01-20 |
| IL86416A (en) | 1993-07-08 |
| AR246961A1 (es) | 1994-10-31 |
| ZA883783B (en) | 1989-11-29 |
| KR890000440A (ko) | 1989-03-14 |
| JPH064603B2 (ja) | 1994-01-19 |
| IL86416A0 (en) | 1988-11-15 |
| EP0295815A3 (en) | 1989-11-15 |
| CA1314887C (en) | 1993-03-23 |
| AU1749888A (en) | 1988-12-22 |
| CN1017994B (zh) | 1992-08-26 |
| IN168350B (pt) | 1991-03-16 |
| CN1030914A (zh) | 1989-02-08 |
| MX168770B (es) | 1993-06-07 |
| AU601851B2 (en) | 1990-09-20 |
| FI882895A (fi) | 1988-12-20 |
| EP0295815A2 (en) | 1988-12-21 |
| FI882895A0 (fi) | 1988-06-16 |
| KR900004417B1 (ko) | 1990-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| FG | Letter patent granted | ||
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 14/06/2003 |