CH623029A5 - Process for preparing aromatic diazo compounds - Google Patents

Process for preparing aromatic diazo compounds Download PDF

Info

Publication number
CH623029A5
CH623029A5 CH1013176A CH1013176A CH623029A5 CH 623029 A5 CH623029 A5 CH 623029A5 CH 1013176 A CH1013176 A CH 1013176A CH 1013176 A CH1013176 A CH 1013176A CH 623029 A5 CH623029 A5 CH 623029A5
Authority
CH
Switzerland
Prior art keywords
reaction
nitrite
reaction vessel
polarovoltric
valve
Prior art date
Application number
CH1013176A
Other languages
German (de)
English (en)
Inventor
Alexander Hamilton
Colin Nelson
Original Assignee
Ciba Geigy 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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of CH623029A5 publication Critical patent/CH623029A5/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/20—Diazonium compounds
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1013176A 1975-08-12 1976-08-09 Process for preparing aromatic diazo compounds CH623029A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33614/75A GB1547760A (en) 1975-08-12 1975-08-12 Control of continuos diazotisation of aromatic amines

Publications (1)

Publication Number Publication Date
CH623029A5 true CH623029A5 (en) 1981-05-15

Family

ID=10355210

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1013176A CH623029A5 (en) 1975-08-12 1976-08-09 Process for preparing aromatic diazo compounds

Country Status (9)

Country Link
JP (1) JPS5227725A (enrdf_load_stackoverflow)
CA (1) CA1075682A (enrdf_load_stackoverflow)
CH (1) CH623029A5 (enrdf_load_stackoverflow)
DE (1) DE2635778A1 (enrdf_load_stackoverflow)
DK (1) DK363176A (enrdf_load_stackoverflow)
FR (1) FR2320937A1 (enrdf_load_stackoverflow)
GB (1) GB1547760A (enrdf_load_stackoverflow)
IT (1) IT1065121B (enrdf_load_stackoverflow)
SE (1) SE7608970L (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741925A1 (de) * 1977-09-17 1979-03-29 Bayer Ag Verfahren zur kontinuierlichen indirekten diazotierung von aromatischen aminen
DE2960465D1 (en) * 1978-02-14 1981-10-22 Ici Plc Process for the diazotisation of amines
DE2825655A1 (de) * 1978-06-12 1979-12-20 Hoechst Ag Verfahren zur kontinuierlichen diazotierung von aminen
DE3104375A1 (de) * 1981-02-07 1982-08-19 Hoechst Ag, 6000 Frankfurt Verfahren zur steuerung von diazotierungsreaktionen
US4845638A (en) * 1985-07-15 1989-07-04 Ciba-Geigy Corporation Method of eliminating excess nitrite in diazotisation solutions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL211338A (enrdf_load_stackoverflow) * 1954-08-26

Also Published As

Publication number Publication date
CA1075682A (en) 1980-04-15
DE2635778A1 (de) 1977-02-24
FR2320937B1 (enrdf_load_stackoverflow) 1978-05-05
JPS5227725A (en) 1977-03-02
GB1547760A (en) 1979-06-27
JPS6210222B2 (enrdf_load_stackoverflow) 1987-03-05
DK363176A (da) 1977-02-13
DE2635778C2 (enrdf_load_stackoverflow) 1987-08-27
SE7608970L (sv) 1977-02-13
FR2320937A1 (fr) 1977-03-11
IT1065121B (it) 1985-02-25

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