IT1079717B - Procedimento per la diazotazione-fluorurazione di ammine aromatiche o eterocicliche - Google Patents
Procedimento per la diazotazione-fluorurazione di ammine aromatiche o eterociclicheInfo
- Publication number
- IT1079717B IT1079717B IT4995977A IT4995977A IT1079717B IT 1079717 B IT1079717 B IT 1079717B IT 4995977 A IT4995977 A IT 4995977A IT 4995977 A IT4995977 A IT 4995977A IT 1079717 B IT1079717 B IT 1079717B
- Authority
- IT
- Italy
- Prior art keywords
- fluoruration
- diazotation
- aromatic
- procedure
- heterocyclic amines
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D213/61—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/707,975 US4075252A (en) | 1975-10-31 | 1976-07-23 | Diazotization-fluorination in a medium of hydrogen fluoride-containing ammonium ions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1079717B true IT1079717B (it) | 1985-05-13 |
Family
ID=24843901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT4995977A IT1079717B (it) | 1976-07-23 | 1977-06-23 | Procedimento per la diazotazione-fluorurazione di ammine aromatiche o eterocicliche |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5315324A (it) |
| DE (1) | DE2732604C3 (it) |
| FR (1) | FR2359106A1 (it) |
| GB (1) | GB1534841A (it) |
| IT (1) | IT1079717B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163627A (ja) * | 1984-09-05 | 1986-04-01 | Mitsubishi Chem Ind Ltd | 芳香族フツ素化合物の製造方法 |
| US4831148A (en) * | 1984-10-10 | 1989-05-16 | Ciba-Geigy Corporation | Process for the preparation of fluorinated pyridine derivatives |
| GB8619375D0 (en) * | 1986-08-08 | 1986-09-17 | Ici Plc | Chemical process |
| DE3909486A1 (de) * | 1989-03-22 | 1990-09-27 | Basf Ag | Verfahren zur herstellung von aliphatisch substituierten fluorbenzolen |
| CN114874067B (zh) * | 2022-05-30 | 2024-04-16 | 东至德泰精细化工有限公司 | 一种采用氟化氢重氮热解法合成甲基氟苯工艺 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563796A (en) * | 1948-05-26 | 1951-08-07 | Harshaw Chem Corp | Manufacture of aromatic diazonium fluorides and corresponding aromatic fluorides |
| FR2264014A1 (en) * | 1974-03-11 | 1975-10-10 | Olin Corp | Difluoropyridines prepd from diaminopyridines - by diazotisation in presence of hydrogen fluoride, useful as herbicides |
-
1977
- 1977-06-03 GB GB2372977A patent/GB1534841A/en not_active Expired
- 1977-06-23 IT IT4995977A patent/IT1079717B/it active
- 1977-07-19 DE DE19772732604 patent/DE2732604C3/de not_active Expired
- 1977-07-21 JP JP8676877A patent/JPS5315324A/ja active Granted
- 1977-07-22 FR FR7722622A patent/FR2359106A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS574616B2 (it) | 1982-01-27 |
| JPS5315324A (en) | 1978-02-13 |
| DE2732604C3 (de) | 1981-02-26 |
| GB1534841A (en) | 1978-12-06 |
| DE2732604B2 (de) | 1980-06-19 |
| DE2732604A1 (de) | 1978-01-26 |
| FR2359106A1 (fr) | 1978-02-17 |
| FR2359106B1 (it) | 1983-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940627 |