BR8802783A - Processo para reducao seletiva de oxidos-4 de quinoxalina-2 e processo para preparacao de cloro-6-hidroxiquinoleina-2 - Google Patents
Processo para reducao seletiva de oxidos-4 de quinoxalina-2 e processo para preparacao de cloro-6-hidroxiquinoleina-2Info
- Publication number
- BR8802783A BR8802783A BR8802783A BR8802783A BR8802783A BR 8802783 A BR8802783 A BR 8802783A BR 8802783 A BR8802783 A BR 8802783A BR 8802783 A BR8802783 A BR 8802783A BR 8802783 A BR8802783 A BR 8802783A
- Authority
- BR
- Brazil
- Prior art keywords
- oxides
- hydroxyquinolein
- quinoxalin
- chlorine
- preparation
- 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)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/064,908 US4814444A (en) | 1987-06-19 | 1987-06-19 | Process for the selective reduction of 2-hydroxyquinoxaline-4-oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8802783A true BR8802783A (pt) | 1988-12-27 |
Family
ID=22059048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8802783A BR8802783A (pt) | 1987-06-19 | 1988-06-08 | Processo para reducao seletiva de oxidos-4 de quinoxalina-2 e processo para preparacao de cloro-6-hidroxiquinoleina-2 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4814444A (pt) |
| EP (1) | EP0295797B1 (pt) |
| JP (1) | JPH0629267B2 (pt) |
| KR (1) | KR900004416B1 (pt) |
| CN (1) | CN1017995B (pt) |
| AT (1) | ATE161832T1 (pt) |
| AU (1) | AU609489B2 (pt) |
| BR (1) | BR8802783A (pt) |
| CA (1) | CA1321202C (pt) |
| DE (1) | DE3856098T2 (pt) |
| ES (1) | ES2110396T3 (pt) |
| FI (1) | FI99204C (pt) |
| IL (1) | IL86415A (pt) |
| MX (1) | MX168769B (pt) |
| PH (1) | PH25129A (pt) |
| ZA (1) | ZA883784B (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL86416A (en) * | 1987-06-19 | 1993-07-08 | Uniroyal Chem Co Inc | Process for the preparation of 2-quinoxalinol derivatives |
| DE3925969A1 (de) * | 1989-08-05 | 1991-02-07 | Hoechst Ag | Verfahren zur herstellung von 2,6-dichlorchinoxalin |
| US5169955A (en) * | 1990-03-01 | 1992-12-08 | Nippon Kayaku Kabushiki Kaisha | Process for producing 2-hydroxyquinoxaline derivatives |
| SK278514B6 (en) * | 1990-09-25 | 1997-08-06 | Andreas Kiener | Rhodococcus erythropolis microorganism and a method for producing hydroxylated pyrazines and quinoxalines |
| EP0745594B1 (en) * | 1994-02-17 | 2001-05-09 | Nissan Chemical Industries, Limited | Process for producing 6-substituted 2(1h)-quinoxalinone |
| 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 |
| CN102180840A (zh) * | 2011-03-15 | 2011-09-14 | 安徽丰乐农化有限责任公司 | 6-氯-2-羟基喹喔啉的制备新工艺 |
| CN111239125A (zh) * | 2020-03-06 | 2020-06-05 | 中国药科大学 | 一种利用二硫化铂的葡萄糖比色检测法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3350450A (en) * | 1963-08-12 | 1967-10-31 | Uniroyal Inc | Process of preparing aromatic amines by the catalytic hydrogenation of aromatic nitro compounds |
| JPS48973A (pt) * | 1971-05-28 | 1973-01-09 | ||
| US4636562A (en) * | 1982-05-07 | 1987-01-13 | E. I. Du Pont De Nemours And Company | Process for preparing 6-halo-2-chloroquinoxaline |
| JPS59216878A (ja) * | 1983-05-25 | 1984-12-06 | Nippon Kayaku Co Ltd | ２−キノキサリノ−ル類の製法 |
| 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 |
-
1987
- 1987-06-19 US US07/064,908 patent/US4814444A/en not_active Expired - Lifetime
-
1988
- 1988-05-18 IL IL86415A patent/IL86415A/xx not_active IP Right Cessation
- 1988-05-25 AT AT88304755T patent/ATE161832T1/de not_active IP Right Cessation
- 1988-05-25 EP EP88304755A patent/EP0295797B1/en not_active Expired - Lifetime
- 1988-05-25 ES ES88304755T patent/ES2110396T3/es not_active Expired - Lifetime
- 1988-05-25 DE DE3856098T patent/DE3856098T2/de not_active Expired - Lifetime
- 1988-05-26 ZA ZA883784A patent/ZA883784B/xx unknown
- 1988-05-26 CA CA000567838A patent/CA1321202C/en not_active Expired - Lifetime
- 1988-06-08 BR BR8802783A patent/BR8802783A/pt not_active IP Right Cessation
- 1988-06-08 AU AU17497/88A patent/AU609489B2/en not_active Expired
- 1988-06-10 PH PH37047A patent/PH25129A/en unknown
- 1988-06-14 KR KR1019880007107A patent/KR900004416B1/ko not_active IP Right Cessation
- 1988-06-16 JP JP63149242A patent/JPH0629267B2/ja not_active Expired - Fee Related
- 1988-06-16 FI FI882894A patent/FI99204C/fi active IP Right Grant
- 1988-06-17 MX MX011942A patent/MX168769B/es unknown
- 1988-06-17 CN CN88103659A patent/CN1017995B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1030915A (zh) | 1989-02-08 |
| JPS6416772A (en) | 1989-01-20 |
| KR890000439A (ko) | 1989-03-14 |
| FI882894A (fi) | 1988-12-20 |
| DE3856098D1 (de) | 1998-02-12 |
| EP0295797A2 (en) | 1988-12-21 |
| DE3856098T2 (de) | 1998-05-07 |
| FI882894A0 (fi) | 1988-06-16 |
| ZA883784B (en) | 1989-11-29 |
| JPH0629267B2 (ja) | 1994-04-20 |
| IL86415A0 (en) | 1988-11-15 |
| EP0295797A3 (en) | 1989-11-15 |
| AU609489B2 (en) | 1991-05-02 |
| ATE161832T1 (de) | 1998-01-15 |
| FI99204C (fi) | 1997-10-27 |
| EP0295797B1 (en) | 1998-01-07 |
| US4814444A (en) | 1989-03-21 |
| IL86415A (en) | 1993-02-21 |
| CA1321202C (en) | 1993-08-10 |
| FI99204B (fi) | 1997-07-15 |
| ES2110396T3 (es) | 1998-02-16 |
| AU1749788A (en) | 1988-12-22 |
| CN1017995B (zh) | 1992-08-26 |
| PH25129A (en) | 1991-02-19 |
| KR900004416B1 (ko) | 1990-06-25 |
| MX168769B (es) | 1993-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB19 | Grant procedure suspended (art. 19) | ||
| 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 08/06/2003 |