ES457558A1 - Procedimiento para la obtencion de aminonitrofenoles. - Google Patents
Procedimiento para la obtencion de aminonitrofenoles.Info
- Publication number
- ES457558A1 ES457558A1 ES457558A ES457558A ES457558A1 ES 457558 A1 ES457558 A1 ES 457558A1 ES 457558 A ES457558 A ES 457558A ES 457558 A ES457558 A ES 457558A ES 457558 A1 ES457558 A1 ES 457558A1
- Authority
- ES
- Spain
- Prior art keywords
- aminonitrophenols
- polynitrophenol
- preparation
- mol
- per mole
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Procedimiento para la obtención de aminonitrofenoles por reducción parcial de polinitrofenoles, caracterizado porque la reducción se efectúa en solución acuosa con 1 a 8 moles de amoníaco por un mol de polinitrofenol en presencia de 2,5 a 6 moles de iones de sulfuro por mol de polinitrofenol en un margen de temperatura desde temperatura ambiente hasta 100ºC.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762614825 DE2614825C3 (de) | 1976-04-06 | 1976-04-06 | Verfahren zur Herstellung von Aminonitrophenolen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES457558A1 true ES457558A1 (es) | 1978-03-16 |
Family
ID=5974575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES457558A Expired ES457558A1 (es) | 1976-04-06 | 1977-04-05 | Procedimiento para la obtencion de aminonitrofenoles. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS52122327A (es) |
BE (1) | BE853291A (es) |
BR (1) | BR7702163A (es) |
CH (1) | CH628020A5 (es) |
DE (1) | DE2614825C3 (es) |
ES (1) | ES457558A1 (es) |
FR (1) | FR2347332A1 (es) |
GB (1) | GB1512775A (es) |
IT (1) | IT1073238B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3002254A1 (de) * | 1980-01-23 | 1981-07-30 | Cassella Ag, 6000 Frankfurt | Verfahren zur herstellung von 2-amino-4-nitrophenol |
DE4018335A1 (de) * | 1990-06-08 | 1991-12-12 | Wella Ag | Mittel zum faerben von haaren mit einem gehalt an 2-amino-4-halogen-6-nitrophenolen sowie 2-amino-4-fluor-6-nitrophenol |
CN113372228B (zh) * | 2021-06-08 | 2022-08-26 | 浙江鼎龙科技股份有限公司 | 一种2-氨基-6-氯-4-硝基苯酚的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464194A (en) * | 1945-05-05 | 1949-03-08 | Gen Aniline & Film Corp | Reduction of nitrophenols |
GB1001092A (en) * | 1962-09-27 | 1965-08-11 | Monsanto Chem Australia Ltd | Production of aminoquinolines |
FR1534593A (fr) * | 1966-09-02 | 1968-07-26 | Merck & Co Inc | Réduction d'un composé nitrophénylique en composé aminophénylique |
-
1976
- 1976-04-06 DE DE19762614825 patent/DE2614825C3/de not_active Expired
-
1977
- 1977-04-04 CH CH421877A patent/CH628020A5/de not_active IP Right Cessation
- 1977-04-04 IT IT4880177A patent/IT1073238B/it active
- 1977-04-04 GB GB1410777A patent/GB1512775A/en not_active Expired
- 1977-04-05 JP JP3820577A patent/JPS52122327A/ja active Pending
- 1977-04-05 BR BR7702163A patent/BR7702163A/pt unknown
- 1977-04-05 ES ES457558A patent/ES457558A1/es not_active Expired
- 1977-04-06 BE BE2055805A patent/BE853291A/xx not_active IP Right Cessation
- 1977-04-06 FR FR7710458A patent/FR2347332A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2347332B1 (es) | 1983-09-09 |
JPS52122327A (en) | 1977-10-14 |
CH628020A5 (en) | 1982-02-15 |
IT1073238B (it) | 1985-04-13 |
BE853291A (fr) | 1977-10-06 |
DE2614825C3 (de) | 1981-01-29 |
DE2614825B2 (de) | 1980-05-08 |
DE2614825A1 (de) | 1977-10-13 |
FR2347332A1 (fr) | 1977-11-04 |
GB1512775A (en) | 1978-06-01 |
BR7702163A (pt) | 1978-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19990503 |