GB1534841A - Preparation of fluorobenzenes and fluoropyridines - Google Patents
Preparation of fluorobenzenes and fluoropyridinesInfo
- Publication number
- GB1534841A GB1534841A GB2372977A GB2372977A GB1534841A GB 1534841 A GB1534841 A GB 1534841A GB 2372977 A GB2372977 A GB 2372977A GB 2372977 A GB2372977 A GB 2372977A GB 1534841 A GB1534841 A GB 1534841A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluoropyridines
- fluorobenzenes
- preparation
- 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
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)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (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 |
---|---|
GB1534841A true GB1534841A (en) | 1978-12-06 |
Family
ID=24843901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2372977A Expired GB1534841A (en) | 1976-07-23 | 1977-06-03 | Preparation of fluorobenzenes and fluoropyridines |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5315324A (en) |
DE (1) | DE2732604C3 (en) |
FR (1) | FR2359106A1 (en) |
GB (1) | GB1534841A (en) |
IT (1) | IT1079717B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831148A (en) * | 1984-10-10 | 1989-05-16 | Ciba-Geigy Corporation | Process for the preparation of fluorinated pyridine derivatives |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6163627A (en) * | 1984-09-05 | 1986-04-01 | Mitsubishi Chem Ind Ltd | Production of aromatic fluorine compound |
GB8619375D0 (en) * | 1986-08-08 | 1986-09-17 | Ici Plc | Chemical process |
DE3909486A1 (en) * | 1989-03-22 | 1990-09-27 | Basf Ag | METHOD FOR THE PRODUCTION OF ALIPHATICALLY SUBSTITUTED FLUORBENZENE |
CN114874067B (en) * | 2022-05-30 | 2024-04-16 | 东至德泰精细化工有限公司 | Process for synthesizing methyl fluorobenzene by adopting hydrogen fluoride diazo pyrolysis |
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/en active
- 1977-07-19 DE DE19772732604 patent/DE2732604C3/en not_active Expired
- 1977-07-21 JP JP8676877A patent/JPS5315324A/en active Granted
- 1977-07-22 FR FR7722622A patent/FR2359106A1/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831148A (en) * | 1984-10-10 | 1989-05-16 | Ciba-Geigy Corporation | Process for the preparation of fluorinated pyridine derivatives |
Also Published As
Publication number | Publication date |
---|---|
FR2359106B1 (en) | 1983-08-26 |
FR2359106A1 (en) | 1978-02-17 |
DE2732604B2 (en) | 1980-06-19 |
JPS5315324A (en) | 1978-02-13 |
DE2732604C3 (en) | 1981-02-26 |
IT1079717B (en) | 1985-05-13 |
JPS574616B2 (en) | 1982-01-27 |
DE2732604A1 (en) | 1978-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950603 |