GB1520343A - Semi-continuos process for preparing aromatic primary ami-ne compounds - Google Patents

Semi-continuos process for preparing aromatic primary ami-ne compounds

Info

Publication number
GB1520343A
GB1520343A GB31733/76A GB3173376A GB1520343A GB 1520343 A GB1520343 A GB 1520343A GB 31733/76 A GB31733/76 A GB 31733/76A GB 3173376 A GB3173376 A GB 3173376A GB 1520343 A GB1520343 A GB 1520343A
Authority
GB
United Kingdom
Prior art keywords
semi
compounds
aromatic primary
preparing aromatic
continuos process
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
GB31733/76A
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.)
Novartis AG
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 GB1520343A publication Critical patent/GB1520343A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B31/00—Reduction in general
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/40—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitro or nitroso groups bound to the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB31733/76A 1975-07-31 1976-07-29 Semi-continuos process for preparing aromatic primary ami-ne compounds Expired GB1520343A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2534176A DE2534176C3 (de) 1975-07-31 1975-07-31 Halb-kontinuierliches Verfahren zur Herstellung von aromatischen Aminoverbindungen
BE173092A BE849215A (fr) 1975-07-31 1976-12-09 Procede semi-continu pour la preparation de composes amines

Publications (1)

Publication Number Publication Date
GB1520343A true GB1520343A (en) 1978-08-09

Family

ID=25649732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31733/76A Expired GB1520343A (en) 1975-07-31 1976-07-29 Semi-continuos process for preparing aromatic primary ami-ne compounds

Country Status (5)

Country Link
BE (1) BE849215A (de)
CH (1) CH593906A5 (de)
DE (1) DE2534176C3 (de)
FR (1) FR2319624A1 (de)
GB (1) GB1520343A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217304A (en) * 1977-12-23 1980-08-12 Ciba-Geigy Ag Continuous reduction process
GB2179030A (en) * 1985-07-01 1987-02-25 Mars Inc Coin dispenser

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3025805A1 (de) * 1980-07-08 1982-02-04 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4-amino-3-methyl-phenol
EP0221021B1 (de) * 1985-10-16 1989-11-08 Ciba-Geigy Ag Bechamp-Reduktion von DNS zu DAS mit H2SO4 und Spuren von HOAc
GB8814003D0 (en) * 1988-06-14 1988-07-20 Kodak Ltd Method for reducing aromatic nitro groups
DE3937342A1 (de) * 1989-11-09 1991-05-16 Bayer Ag Verfahren zur herstellung von 2-aminobenzol-disulfonsaeuren-(1,4) und die neue verbindung 6-chlor-2-aminobenzol-disulfonsaeure-(1,4)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179919A (en) * 1936-11-25 1939-11-14 Du Pont Treatment of sludges

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217304A (en) * 1977-12-23 1980-08-12 Ciba-Geigy Ag Continuous reduction process
GB2179030A (en) * 1985-07-01 1987-02-25 Mars Inc Coin dispenser

Also Published As

Publication number Publication date
DE2534176A1 (de) 1977-02-10
DE2534176C3 (de) 1987-06-19
DE2534176B2 (de) 1978-10-05
CH593906A5 (de) 1977-12-30
BE849215A (fr) 1977-06-09
FR2319624A1 (fr) 1977-02-25
FR2319624B1 (de) 1979-09-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940729