BE853291A - Procede de preparation d'aminonitrophenols par reduction partielle de polynitrophenols - Google Patents

Procede de preparation d'aminonitrophenols par reduction partielle de polynitrophenols

Info

Publication number: BE853291A
Authority: BE; Belgium
Prior art keywords: polynitrophenols; aminonitrophenols; preparing; partial reduction; partial
Prior art date: 1976-04-06

Application number

BE2055805A

Other languages

English (en)

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.)

1976-04-06

Filing date

1977-04-06

Publication date

1977-10-06

1977-04-06 Application filed by Bayer Ag filed Critical Bayer Ag

1977-10-06 Publication of BE853291A publication Critical patent/BE853291A/fr

Links

BE2055805A 1976-04-06 1977-04-06 Procede de preparation d'aminonitrophenols par reduction partielle de polynitrophenols BE853291A (fr)

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
BE853291A true BE853291A (fr)	1977-10-06

Family

ID=5974575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE2055805A BE853291A (fr)	1976-04-06	1977-04-06	Procede de preparation d'aminonitrophenols par reduction partielle de polynitrophenols

Country Status (9)

Country	Link
JP (1)	JPS52122327A (fr)
BE (1)	BE853291A (fr)
BR (1)	BR7702163A (fr)
CH (1)	CH628020A5 (fr)
DE (1)	DE2614825C3 (fr)
ES (1)	ES457558A1 (fr)
FR (1)	FR2347332A1 (fr)
GB (1)	GB1512775A (fr)
IT (1)	IT1073238B (fr)

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

1976
- 1976-04-06 DE DE19762614825 patent/DE2614825C3/de not_active Expired
1977
- 1977-04-04 GB GB1410777A patent/GB1512775A/en not_active Expired
- 1977-04-04 CH CH421877A patent/CH628020A5/de not_active IP Right Cessation
- 1977-04-04 IT IT4880177A patent/IT1073238B/it active
- 1977-04-05 ES ES457558A patent/ES457558A1/es not_active Expired
- 1977-04-05 JP JP3820577A patent/JPS52122327A/ja active Pending
- 1977-04-05 BR BR7702163A patent/BR7702163A/pt unknown
- 1977-04-06 FR FR7710458A patent/FR2347332A1/fr active Granted
- 1977-04-06 BE BE2055805A patent/BE853291A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2614825A1 (de)	1977-10-13
FR2347332B1 (fr)	1983-09-09
BR7702163A (pt)	1978-10-31
DE2614825C3 (de)	1981-01-29
ES457558A1 (es)	1978-03-16
JPS52122327A (en)	1977-10-14
DE2614825B2 (de)	1980-05-08
CH628020A5 (en)	1982-02-15
GB1512775A (en)	1978-06-01
FR2347332A1 (fr)	1977-11-04
IT1073238B (it)	1985-04-13

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Legal Events

Date	Code	Title	Description
1984-10-31	RE	Patent lapsed	Owner name: BAYER A.G. Effective date: 19840406

Date

Code

Title

Description

1984-10-31

Patent lapsed

Owner name: BAYER A.G.

Effective date: 19840406