ATE372975T1 - Verfahren zu fluorierung von äthern - Google Patents
Verfahren zu fluorierung von äthernInfo
- Publication number
- ATE372975T1 ATE372975T1 AT04017173T AT04017173T ATE372975T1 AT E372975 T1 ATE372975 T1 AT E372975T1 AT 04017173 T AT04017173 T AT 04017173T AT 04017173 T AT04017173 T AT 04017173T AT E372975 T1 ATE372975 T1 AT E372975T1
- Authority
- AT
- Austria
- Prior art keywords
- fluorination
- ethers
- benzotrifluoride
- dichloro
- isolation
- Prior art date
Links
- 238000003682 fluorination reaction Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 150000002170 ethers Chemical class 0.000 title 1
- BJYHBJUWZMHGGQ-UHFFFAOYSA-N 1,2-dichloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC(Cl)=C1Cl BJYHBJUWZMHGGQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000008378 aryl ethers Chemical class 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/22—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogens; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT001563A ITMI20031563A1 (it) | 2003-07-30 | 2003-07-30 | Processo di fluorurazione di eteri. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE372975T1 true ATE372975T1 (de) | 2007-09-15 |
Family
ID=33524050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04017173T ATE372975T1 (de) | 2003-07-30 | 2004-07-21 | Verfahren zu fluorierung von äthern |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1502908B1 (de) |
| AT (1) | ATE372975T1 (de) |
| DE (1) | DE602004008845T2 (de) |
| IT (1) | ITMI20031563A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2564185B (en) | 2015-09-17 | 2021-03-10 | Srf Ltd | Process for the preparation of derivatives of benzodioxole |
| CN106810530B (zh) * | 2017-03-03 | 2019-05-17 | 常州沃腾化工科技有限公司 | 2,2-二氟-1,3-苯并二噁茂的一锅制备方法 |
| WO2020070759A1 (en) * | 2018-10-04 | 2020-04-09 | Srf Limited | Process for the preparation of 2,2-difluoro-1,3-benzodioxole and intermediates thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4213850A1 (de) * | 1992-04-27 | 1993-10-28 | Bayer Ag | Halogenierungsverfahren in vorteilhaften Lösungsmitteln und neue Bistrifluormethyl-polyfluoralkoxybenzole |
| DE4233199A1 (de) * | 1992-10-02 | 1994-04-07 | Bayer Ag | Verfahren zur Herstellung von Difluor- und Chlorfluorbenzodioxolen |
| DE19530637A1 (de) * | 1995-08-21 | 1997-02-27 | Bayer Ag | Verfahren zur Herstellung von 2,2-Difluorbenzo[1.3]dioxolcarbaldehyden |
-
2003
- 2003-07-30 IT IT001563A patent/ITMI20031563A1/it unknown
-
2004
- 2004-07-21 EP EP04017173A patent/EP1502908B1/de not_active Expired - Lifetime
- 2004-07-21 AT AT04017173T patent/ATE372975T1/de not_active IP Right Cessation
- 2004-07-21 DE DE602004008845T patent/DE602004008845T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE602004008845T2 (de) | 2008-06-19 |
| EP1502908A1 (de) | 2005-02-02 |
| EP1502908B1 (de) | 2007-09-12 |
| ITMI20031563A1 (it) | 2005-01-31 |
| DE602004008845D1 (de) | 2007-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO20054530D0 (no) | Rest-resirkulering-hoy-gjenvinningsprosess for etan | |
| DE112004000372D2 (de) | Destillationsverfahren | |
| NO20041507L (no) | Vaskerorsapparat. | |
| DE60326760D1 (de) | Verfahren zum verbinden | |
| ATE502058T1 (de) | Verfahren zur herstellung von 1,2-dichlorethan | |
| DK2322511T3 (da) | Fremgangsmåde til fremstilling af Telmisartan | |
| BR0308000B1 (pt) | processo de separaÇço de alceno. | |
| DE50302740D1 (de) | Verfahren zur herstellung von verküpbaren organischen pigmenten | |
| DE502005001841D1 (de) | Verfahren zur herstellung von 1,4-diphenylazetidinon-derivaten | |
| BR0304118B1 (pt) | aparelho de pára-brisa para motocicletas. | |
| ATE372975T1 (de) | Verfahren zu fluorierung von äthern | |
| DK1967071T3 (da) | Anordning og fremgangsmåde til fiksering af en slagtekrop | |
| ES1053593Y (es) | Pequeño lavabo transportable para niños. | |
| DE602004003471D1 (de) | Verfahren zum zersetzen von fluorverbindungen | |
| ATE391765T1 (de) | Verfahren zum bleichen | |
| FI20011194A0 (fi) | Menetelmä kemikaalien eristämiseksi puusta | |
| DE60118595D1 (de) | Verfahren zum hydrieren von gipsplatten, einrichtung dafür | |
| ITNO20030004A1 (it) | Articoli ottici, processo per la loro preparazione e | |
| AT500424B8 (de) | Verfahren zum sanieren von rohrleitungen | |
| DE50307038D1 (de) | Biegemaschine zum Biegen von Strängen, insbesondere von rohrförmigen Strängen | |
| ES1055752Y (es) | Maquina envasadora de palillos. | |
| DE112006002734A5 (de) | Verfahren zum Herstellen von zylindrischen, endlos-nahtlosen Oberflächen | |
| ATA342002A (de) | Fachwerkträger zum aufbau von bühnen, gerüsten od. dgl. | |
| ATA5272003A (de) | Vorrichtung zum trennen von stab- bzw. stangenförmigem material | |
| ES1051693Y (es) | Aparato para sacar corchos. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |