DE2609530C2 - Verfahren zur Herstellung von Hydrazobenzolen - Google Patents

Verfahren zur Herstellung von Hydrazobenzolen

Info

Publication number
DE2609530C2
DE2609530C2 DE2609530A DE2609530A DE2609530C2 DE 2609530 C2 DE2609530 C2 DE 2609530C2 DE 2609530 A DE2609530 A DE 2609530A DE 2609530 A DE2609530 A DE 2609530A DE 2609530 C2 DE2609530 C2 DE 2609530C2
Authority
DE
Germany
Prior art keywords
reduction
hydrogen
sodium hydroxide
water
mixture
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
DE2609530A
Other languages
German (de)
English (en)
Other versions
DE2609530B1 (de
Inventor
Karl-Heinz Dr. 5090 Leverkusen Schündehütte
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
Priority to DE2609530A priority Critical patent/DE2609530C2/de
Priority to IN153/CAL/77A priority patent/IN155288B/en
Priority to MX167948A priority patent/MX144355A/es
Priority to CH267877A priority patent/CH629180A5/de
Priority to GB9204/77A priority patent/GB1509372A/en
Priority to US05/774,453 priority patent/US4550207A/en
Priority to JP52022892A priority patent/JPS5949223B2/ja
Priority to IT20962/77A priority patent/IT1078659B/it
Priority to BR7701362A priority patent/BR7701362A/pt
Priority to BE175520A priority patent/BE852148A/xx
Priority to ES456576A priority patent/ES456576A1/es
Priority to FR7706799A priority patent/FR2343721A1/fr
Publication of DE2609530B1 publication Critical patent/DE2609530B1/de
Priority to JP57044752A priority patent/JPS5823650A/ja
Application granted granted Critical
Publication of DE2609530C2 publication Critical patent/DE2609530C2/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/24Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C241/00Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C07C241/02Preparation of hydrazines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2609530A 1976-03-08 1976-03-08 Verfahren zur Herstellung von Hydrazobenzolen Expired DE2609530C2 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DE2609530A DE2609530C2 (de) 1976-03-08 1976-03-08 Verfahren zur Herstellung von Hydrazobenzolen
IN153/CAL/77A IN155288B (https=) 1976-03-08 1977-02-02
MX167948A MX144355A (es) 1976-03-08 1977-02-07 Procedimiento mejorado para la obtencion de hidrazobencenos
CH267877A CH629180A5 (de) 1976-03-08 1977-03-03 Verfahren zur herstellung von hydrazobenzol.
US05/774,453 US4550207A (en) 1976-03-08 1977-03-04 Process for the preparation of benzene compounds
JP52022892A JPS5949223B2 (ja) 1976-03-08 1977-03-04 ベンゼン化合物の製造方法
GB9204/77A GB1509372A (en) 1976-03-08 1977-03-04 Process for the preparation of benzene compounds
IT20962/77A IT1078659B (it) 1976-03-08 1977-03-04 Processo per la produzione di idrazobenzene
BR7701362A BR7701362A (pt) 1976-03-08 1977-03-07 Processo para a preparacao de hidrazobenzeno
BE175520A BE852148A (fr) 1976-03-08 1977-03-07 Procede de production d'hydrazobenzenes
ES456576A ES456576A1 (es) 1976-03-08 1977-03-07 Procedimiento para la obtencion de hidrazobenceno.
FR7706799A FR2343721A1 (fr) 1976-03-08 1977-03-08 Procede de production d'hydrazobenzenes
JP57044752A JPS5823650A (ja) 1976-03-08 1982-03-23 4,4′−ジアミノジフエニル誘導体の製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2609530A DE2609530C2 (de) 1976-03-08 1976-03-08 Verfahren zur Herstellung von Hydrazobenzolen

Publications (2)

Publication Number Publication Date
DE2609530B1 DE2609530B1 (de) 1977-08-04
DE2609530C2 true DE2609530C2 (de) 1983-06-01

Family

ID=5971808

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2609530A Expired DE2609530C2 (de) 1976-03-08 1976-03-08 Verfahren zur Herstellung von Hydrazobenzolen

Country Status (12)

Country Link
US (1) US4550207A (https=)
JP (2) JPS5949223B2 (https=)
BE (1) BE852148A (https=)
BR (1) BR7701362A (https=)
CH (1) CH629180A5 (https=)
DE (1) DE2609530C2 (https=)
ES (1) ES456576A1 (https=)
FR (1) FR2343721A1 (https=)
GB (1) GB1509372A (https=)
IN (1) IN155288B (https=)
IT (1) IT1078659B (https=)
MX (1) MX144355A (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7904418A (nl) 1979-06-05 1980-12-09 Borma Bv Werkwijze ter bereiding van aromatische hydrazo-of diaminodifenylverbindingen.
JPS6240621U (https=) * 1985-08-30 1987-03-11
JPS6352230U (https=) * 1986-09-24 1988-04-08
US7772436B2 (en) * 2004-11-05 2010-08-10 Air Water Inc. Process for producing 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl
ES2536706T3 (es) * 2009-12-18 2015-05-27 Basf Se Procedimiento en dos etapas para la separación económica de catalizadores homogéneos en la síntesis de MDA
CN108976131A (zh) * 2018-07-13 2018-12-11 山东隆信药业有限公司 一种水替代甲苯生产3,3′-二氯联苯胺盐酸盐的方法
CN115928112A (zh) * 2022-05-20 2023-04-07 北京化工大学 光电催化芳香胺制备芳香族偶氮化合物的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589936A (en) * 1925-11-02 1926-06-22 Newport Co Process for the reduction of azo compounds to hydrazo compounds
US2233128A (en) * 1939-11-08 1941-02-25 Du Pont Process for the manufacture of benzidine
US2640081A (en) * 1949-10-04 1953-05-26 Sherwin Williams Co Process for manufacturing benzidine type compounds
US3063980A (en) * 1957-07-09 1962-11-13 Gen Aniline & Film Corp Process for reducing aromatic nitrogen compounds
US3361819A (en) * 1964-06-05 1968-01-02 Du Pont Process for producing chlorinesubstituted aromatic amines
FR2302998A1 (fr) * 1975-03-05 1976-10-01 Colour Chem Ltd Procede de preparation de derives de l'hydrazobenzene
BE832269A (fr) * 1975-08-08 1976-02-09 Pigments de benzidine et leur fabrication.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
IT1078659B (it) 1985-05-08
CH629180A5 (de) 1982-04-15
US4550207A (en) 1985-10-29
FR2343721A1 (fr) 1977-10-07
FR2343721B1 (https=) 1981-02-13
BR7701362A (pt) 1978-05-02
DE2609530B1 (de) 1977-08-04
JPS5823650A (ja) 1983-02-12
MX144355A (es) 1981-10-05
JPS52108932A (en) 1977-09-12
ES456576A1 (es) 1978-02-16
IN155288B (https=) 1985-01-12
JPS5949223B2 (ja) 1984-12-01
BE852148A (fr) 1977-09-07
GB1509372A (en) 1978-05-04

Similar Documents

Publication Publication Date Title
DE2855764C2 (https=)
DE2503187B2 (de) Verfahren zur Herstellung durch Chlor meta-substituierte Aniline
DE2609530C2 (de) Verfahren zur Herstellung von Hydrazobenzolen
DE3443385C2 (https=)
DE1941536A1 (de) 1-Alkyl-2-aminomethylpyrrolidine sowie Verfahren zur Herstellung dieser Verbindungen und deren Zwischenprodukte
DE2835846A1 (de) Verfahren zur herstellung von 2-aryl-2h-benzotriazolen
DE68905595T2 (de) Verfahren zur katalytischen hydrierung von aromatischen halogennitroverbindungen.
DE3928329A1 (de) Verfahren zur herstellung von chlorsubstituierten aromatischen aminen
EP0057871B1 (de) Verfahren zur Herstellung von gegebenenfalls p-chlor-substituiertem 2,6-Diaminotoluol
DE3856098T2 (de) Verfahren zur selektiven Reduktion von 2-Chinoxalinol-4-Oxiden zu 2-Chinoxalinolen
EP0368008A1 (de) Fluor enthaltende Phenole
DE3017542A1 (de) Verfahren zur herstellung von 2-trifluormethylanilin
DE3332687A1 (de) Verfahren zur herstellung von 2-amino-alkylpyridinen
DE60012172T2 (de) Verfahren zur herstellung von zwischenprodukten für pestizide
EP0479877B1 (de) Verfahren zur herstellung von n-alkyl-halogenanilinen
EP0315862B1 (de) Am aromatischen Kern Fluor enthaltende Fluormethoxy- und Fluormethylthioaminobenzole und deren Herstellung
DE2036313B2 (de) Verfahren zur Herstellung von Halogen-substituiertenaromatischen Aminen
DE2121325C2 (de) Verfahren zur Herstellung von Methoxypropionitril
EP0206147A2 (de) Verfahren zur Herstellung von 4,4'-Dinitrodibenzylen
EP0369420B1 (de) Verfahren zur Herstellung von 4,4'-Dinitrodiphenylamin
DE2758111B2 (https=)
EP0318781B1 (de) Am aromatischen Kern und an der Seitenkette Fluoratome enthaltende Alkoxyaniline und Verfahren zur Herstellung von am aromatischen Kern und an der Seitenkette Fluoratome enthaltenden Alkoxyanilinen
DD236520A5 (de) Verfahren zur herstellung von chlor-o-nitroanilinen
EP0339411B1 (de) Verfahren zur Herstellung von Chinoxalonen
DE3318534C2 (https=)

Legal Events

Date Code Title Description
B1 Publication of the examined application without previous publication of unexamined application
C2 Grant after previous publication (2nd publication)