CH451191A - Verfahren zum kontinuierlichen Diazotieren von Aminen - Google Patents
Verfahren zum kontinuierlichen Diazotieren von AminenInfo
- Publication number
- CH451191A CH451191A CH1437564A CH1437564A CH451191A CH 451191 A CH451191 A CH 451191A CH 1437564 A CH1437564 A CH 1437564A CH 1437564 A CH1437564 A CH 1437564A CH 451191 A CH451191 A CH 451191A
- Authority
- CH
- Switzerland
- Prior art keywords
- amines
- continuous diazotization
- diazotization
- continuous
- Prior art date
Links
- 150000001412 amines Chemical class 0.000 title 1
- 238000006193 diazotization reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
- C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
- C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/04—1,2,3-Triazoles; Hydrogenated 1,2,3-triazoles
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB74433A DE1231251B (de) | 1963-11-28 | 1963-11-28 | Verfahren zur kontinuierlichen Herstellung von Diazoverbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH451191A true CH451191A (de) | 1968-05-15 |
Family
ID=6978247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1437564A CH451191A (de) | 1963-11-28 | 1964-11-06 | Verfahren zum kontinuierlichen Diazotieren von Aminen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3423391A (de) |
| CH (1) | CH451191A (de) |
| DE (1) | DE1231251B (de) |
| GB (1) | GB1082636A (de) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941768A (en) * | 1968-05-30 | 1976-03-02 | Ciba-Geigy Ag | One step diazotization coupling process |
| US4018751A (en) * | 1975-04-09 | 1977-04-19 | American Cyanamid Company | Continuous process for aminoazobenzene |
| DE2648644C3 (de) * | 1976-10-27 | 1980-09-11 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von 4-Phenoxy-phenolen |
| FR2380253A1 (fr) * | 1977-02-11 | 1978-09-08 | Rhone Poulenc Ind | Procede d'obtention de composes aminoazo aromatiques a partir d'amines aromatiques via les reactions de diazotation, copulation et rearrangement |
| DE2741925A1 (de) * | 1977-09-17 | 1979-03-29 | Bayer Ag | Verfahren zur kontinuierlichen indirekten diazotierung von aromatischen aminen |
| EP0003656B1 (de) * | 1978-02-14 | 1981-07-15 | Imperial Chemical Industries Plc | Verfahren zur Diazotierung von Aminen |
| DE2903717A1 (de) * | 1978-02-14 | 1979-08-16 | Ici Ltd | Verfahren zur herstellung einer waessrigen aufschlaemmung einer wasserunloeslichen azoverbindung |
| DE2825655A1 (de) * | 1978-06-12 | 1979-12-20 | Hoechst Ag | Verfahren zur kontinuierlichen diazotierung von aminen |
| EP0184555A3 (de) * | 1984-12-06 | 1989-11-02 | Ciba-Geigy Ag | Verfahren zur Diazotierung von Aminen |
| DE3511752A1 (de) * | 1985-03-30 | 1986-10-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung aromatischer diazoniumsalze, azofarbstoffe und konzentrierter loesungen von azofarbstoffen |
| DE3669881D1 (de) * | 1985-08-22 | 1990-05-03 | Ciba Geigy Ag | Verfahren zur bestimmung der diazonium-ionenkonzentration. |
| US4918168A (en) * | 1987-11-24 | 1990-04-17 | Mallinckrodt Inc. | Process for the continuous diazotization of amines in a multi-stage reactor |
| US4822927A (en) * | 1987-11-24 | 1989-04-18 | Mallinckrodt, Inc. | Continuous decomposition of diazonium fluorides |
| US5055563A (en) * | 1990-06-13 | 1991-10-08 | Mallinckrodt Specialty Chemicals Company | Continuous preparation of aromatic diazonium fluoride salts from corresponding aromatic amines |
| DE4405469C2 (de) * | 1994-02-21 | 1996-11-07 | Ciba Geigy Ag | Verfahren zur Herstellung von Azofarbstoffen |
| US5869550A (en) * | 1995-05-22 | 1999-02-09 | Cabot Corporation | Method to improve traction using silicon-treated carbon blacks |
| US6069190A (en) * | 1996-06-14 | 2000-05-30 | Cabot Corporation | Ink compositions having improved latency |
| US5707432A (en) * | 1996-06-14 | 1998-01-13 | Cabot Corporation | Modified carbon products and inks and coatings containing modified carbon products |
| US6110994A (en) * | 1996-06-14 | 2000-08-29 | Cabot Corporation | Polymeric products containing modified carbon products and methods of making and using the same |
| US5922118A (en) * | 1996-06-14 | 1999-07-13 | Cabot Corporation | Modified colored pigments and ink jet inks, inks, and coatings containing modified colored pigments |
| US5837045A (en) * | 1996-06-17 | 1998-11-17 | Cabot Corporation | Colored pigment and aqueous compositions containing same |
| EP0931113A1 (de) | 1996-09-25 | 1999-07-28 | Cabot Corporation | Mit kieselsäurebeschichtete russe |
| JP3977437B2 (ja) * | 1996-09-25 | 2007-09-19 | キャボット コーポレイション | カップリング剤で前処理したケイ素処理カーボンブラック |
| US6017980A (en) * | 1997-03-27 | 2000-01-25 | Cabot Corporation | Elastomeric compounds incorporating metal-treated carbon blacks |
| US5904762A (en) | 1997-04-18 | 1999-05-18 | Cabot Corporation | Method of making a multi-phase aggregate using a multi-stage process |
| US5895522A (en) * | 1997-08-12 | 1999-04-20 | Cabot Corporation | Modified carbon products with leaving groups and inks and coatings containing modified carbon products |
| ATE312145T1 (de) | 1997-10-31 | 2005-12-15 | Cabot Corp | Teilchen mit einem daran befestigtem stabilen freien radikal, polymerisierte modifizierte teilchen und verfahren zu deren herstellung |
| US6068688A (en) * | 1997-11-12 | 2000-05-30 | Cabot Corporation | Particle having an attached stable free radical and methods of making the same |
| US6368239B1 (en) | 1998-06-03 | 2002-04-09 | Cabot Corporation | Methods of making a particle having an attached stable free radical |
| US6387500B1 (en) | 1997-11-06 | 2002-05-14 | Cabot Corporation | Multi-layered coatings and coated paper and paperboards |
| US6472471B2 (en) | 1997-12-16 | 2002-10-29 | Cabot Corporation | Polymeric products containing modified carbon products and methods of making and using the same |
| DE19822316A1 (de) * | 1998-05-19 | 1999-11-25 | Clariant Gmbh | Verfahren zur Herstellung von Arylhydrazinen |
| US6103380A (en) | 1998-06-03 | 2000-08-15 | Cabot Corporation | Particle having an attached halide group and methods of making the same |
| GB0416256D0 (en) * | 2004-07-20 | 2004-08-25 | Avecia Ltd | Manufacturing process |
| CN102618083B (zh) * | 2012-03-09 | 2014-04-09 | 大连理工大学 | 雾化器-管路偶联连续化制备水溶性偶氮染料的方法 |
| CN105152987B (zh) * | 2015-09-22 | 2017-04-12 | 大连理工大学 | 弱碱性芳胺偶氮分散染料制备过程中重氮盐稳定剂的回收方法 |
| CN113470757B (zh) * | 2021-04-16 | 2023-01-03 | 甘肃省化工研究院有限责任公司 | 一种重氮化工艺的热危险性分析方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA626965A (en) * | 1961-09-05 | Dettwyler William | Diazotization of aromatic amines | |
| US2013180A (en) * | 1933-03-07 | 1935-09-03 | Gen Aniline Works Inc | Process of preparing diazonium compounds from 4-aminodiarylamines |
| BE405268A (de) * | 1933-09-25 | |||
| US2447867A (en) * | 1944-09-09 | 1948-08-24 | American Cyanamid Co | Azo dyestuffs of the pyrazolone series |
| BE484555A (de) * | 1947-12-20 | |||
| NL69026C (de) * | 1948-02-14 | |||
| US2714104A (en) * | 1953-07-31 | 1955-07-26 | Universal Oil Prod Co | Preparation of p-alkylaminoazobenzenes |
| NL199874A (de) * | 1954-08-26 | |||
| US2845326A (en) * | 1955-08-08 | 1958-07-29 | Gen Aniline & Film Corp | Diazotizable amine compositions |
| DE1143825B (de) * | 1961-08-17 | 1963-02-21 | Hoechst Ag | Verfahren zur Herstellung von Phenylhydrazinchlorhydrat |
| US3148179A (en) * | 1962-05-04 | 1964-09-08 | Du Pont | Azo dyes from 2-(omicron-aminophenyl)-2, 1, 3-benzotriazoles |
-
1963
- 1963-11-28 DE DEB74433A patent/DE1231251B/de active Pending
-
1964
- 1964-11-06 CH CH1437564A patent/CH451191A/de unknown
- 1964-11-26 GB GB48409/64A patent/GB1082636A/en not_active Expired
-
1967
- 1967-02-20 US US617422A patent/US3423391A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1231251B (de) | 1966-12-29 |
| GB1082636A (en) | 1967-09-06 |
| US3423391A (en) | 1969-01-21 |
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