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
Application number
ES457558A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES457558A1 publication Critical patent/ES457558A1/es
Expired legal-status Critical Current

Links

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  • 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.
ES457558A 1976-04-06 1977-04-05 Procedimiento para la obtencion de aminonitrofenoles. Expired ES457558A1 (es)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
BE853291A (fr) 1977-10-06
CH628020A5 (en) 1982-02-15
IT1073238B (it) 1985-04-13
FR2347332B1 (es) 1983-09-09
FR2347332A1 (fr) 1977-11-04
BR7702163A (pt) 1978-10-31
GB1512775A (en) 1978-06-01
DE2614825A1 (de) 1977-10-13
DE2614825B2 (de) 1980-05-08
JPS52122327A (en) 1977-10-14
DE2614825C3 (de) 1981-01-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990503