FR2319624A1 - Procede semi-continu pour la preparation de composes amines - Google Patents
Procede semi-continu pour la preparation de composes aminesInfo
- Publication number
- FR2319624A1 FR2319624A1 FR7623422A FR7623422A FR2319624A1 FR 2319624 A1 FR2319624 A1 FR 2319624A1 FR 7623422 A FR7623422 A FR 7623422A FR 7623422 A FR7623422 A FR 7623422A FR 2319624 A1 FR2319624 A1 FR 2319624A1
- Authority
- FR
- France
- Prior art keywords
- semi
- preparation
- continuous process
- amino compounds
- amino
- 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.)
- Granted
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)
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 (2)
Publication Number | Publication Date |
---|---|
FR2319624A1 true FR2319624A1 (fr) | 1977-02-25 |
FR2319624B1 FR2319624B1 (de) | 1979-09-28 |
Family
ID=25649732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7623422A Granted FR2319624A1 (fr) | 1975-07-31 | 1976-07-30 | Procede semi-continu pour la preparation de composes amines |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2412524A1 (fr) * | 1977-12-23 | 1979-07-20 | Ciba Geigy Ag | Procede de reduction en continu de composes nitres aromatiques et appareil utilise a cet effet |
EP0221021A1 (de) * | 1985-10-16 | 1987-05-06 | Ciba-Geigy Ag | Bechamp-Reduktion von DNS zu DAS mit H2SO4 und Spuren von HOAc |
Families Citing this family (4)
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 |
GB2179030B (en) * | 1985-07-01 | 1988-12-21 | Mars Inc | Coin dispensers |
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) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2179919A (en) * | 1936-11-25 | 1939-11-14 | Du Pont | Treatment of sludges |
-
1975
- 1975-07-31 DE DE2534176A patent/DE2534176C3/de not_active Expired
-
1976
- 1976-06-18 CH CH781276A patent/CH593906A5/xx not_active IP Right Cessation
- 1976-07-29 GB GB31733/76A patent/GB1520343A/en not_active Expired
- 1976-07-30 FR FR7623422A patent/FR2319624A1/fr active Granted
- 1976-12-09 BE BE173092A patent/BE849215A/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2179919A (en) * | 1936-11-25 | 1939-11-14 | Du Pont | Treatment of sludges |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2412524A1 (fr) * | 1977-12-23 | 1979-07-20 | Ciba Geigy Ag | Procede de reduction en continu de composes nitres aromatiques et appareil utilise a cet effet |
EP0221021A1 (de) * | 1985-10-16 | 1987-05-06 | Ciba-Geigy Ag | Bechamp-Reduktion von DNS zu DAS mit H2SO4 und Spuren von HOAc |
Also Published As
Publication number | Publication date |
---|---|
DE2534176A1 (de) | 1977-02-10 |
BE849215A (fr) | 1977-06-09 |
DE2534176B2 (de) | 1978-10-05 |
CH593906A5 (de) | 1977-12-30 |
GB1520343A (en) | 1978-08-09 |
FR2319624B1 (de) | 1979-09-28 |
DE2534176C3 (de) | 1987-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |