BR7701362A - Processo para a preparacao de hidrazobenzeno - Google Patents

Processo para a preparacao de hidrazobenzeno

Info

Publication number
BR7701362A
BR7701362A BR7701362A BR7701362A BR7701362A BR 7701362 A BR7701362 A BR 7701362A BR 7701362 A BR7701362 A BR 7701362A BR 7701362 A BR7701362 A BR 7701362A BR 7701362 A BR7701362 A BR 7701362A
Authority
BR
Brazil
Prior art keywords
hydrazobenzene
preparation
Prior art date
Application number
BR7701362A
Other languages
English (en)
Portuguese (pt)
Inventor
K Schundehutte
G Stephan
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 BR7701362A publication Critical patent/BR7701362A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/24—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C241/00—Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C07C241/02—Preparation 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)
BR7701362A 1976-03-08 1977-03-07 Processo para a preparacao de hidrazobenzeno BR7701362A (pt)

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 (1)

Publication Number Publication Date
BR7701362A true BR7701362A (pt) 1978-05-02

Family

ID=5971808

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701362A BR7701362A (pt) 1976-03-08 1977-03-07 Processo para a preparacao de hidrazobenzeno

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.

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
DE2609530C2 (de) 1983-06-01
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

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