DE3262515D1 - Process for the selective aliphatic chlorination of alkylbenzenes - Google Patents
Process for the selective aliphatic chlorination of alkylbenzenesInfo
- Publication number
- DE3262515D1 DE3262515D1 DE8282102472T DE3262515T DE3262515D1 DE 3262515 D1 DE3262515 D1 DE 3262515D1 DE 8282102472 T DE8282102472 T DE 8282102472T DE 3262515 T DE3262515 T DE 3262515T DE 3262515 D1 DE3262515 D1 DE 3262515D1
- Authority
- DE
- Germany
- Prior art keywords
- alkylbenzenes
- chlorination
- aliphatic
- selective
- selective aliphatic
- 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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
- C07C17/14—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/248,599 US4348265A (en) | 1981-03-27 | 1981-03-27 | Process for the selective aliphatic chlorination of alkylbenzenes |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3262515D1 true DE3262515D1 (en) | 1985-04-18 |
Family
ID=22939809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282102472T Expired DE3262515D1 (en) | 1981-03-27 | 1982-03-24 | Process for the selective aliphatic chlorination of alkylbenzenes |
Country Status (6)
Country | Link |
---|---|
US (1) | US4348265A (de) |
EP (1) | EP0061720B1 (de) |
JP (1) | JPS57175134A (de) |
BR (1) | BR8201694A (de) |
CA (1) | CA1160646A (de) |
DE (1) | DE3262515D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1225650B (it) * | 1980-07-15 | 1990-11-22 | Anic Spa | Processo per la polialogenazione, in catene laterali, di idrocarburi polialchilaromatici |
AT382865B (de) * | 1982-06-03 | 1987-04-27 | Givaudan & Cie Sa | Verfahren zur herstellung von p-tert. butyl-benzylchlorid bzw. -benzaldehyd |
DE3431697A1 (de) * | 1984-08-29 | 1986-03-06 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 3,5-dichlor-(alpha)-methylstyrol |
FR2700714A1 (fr) | 1993-01-28 | 1994-07-29 | Atochem Elf Sa | Nouveaux réacteurs photochimiques et procédés les utilisant notamment procédé d'halogénation d'alkylbenzènes. |
IT1263960B (it) * | 1993-02-24 | 1996-09-05 | Enichem Sintesi | Procedimento per la fotoclorurazione di composti alchilaromatici |
CN104529789B (zh) * | 2014-12-04 | 2017-02-22 | 苏州市玮琪生物科技有限公司 | 3,5‑二氯‑α,α‑二甲基苄胺合成工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2193823A (en) * | 1937-04-09 | 1940-03-19 | Du Pont | Chlorinated aromatic hydrocarbons |
US3251887A (en) * | 1961-07-19 | 1966-05-17 | Dow Chemical Co | Chlorination process |
US4087473A (en) * | 1976-11-03 | 1978-05-02 | The Dow Chemical Company | Preferential aliphatic halogenation of ar-substituted alkylbenzenes |
US4226783A (en) * | 1978-07-03 | 1980-10-07 | E. I. Du Pont De Nemours And Company | α-Chlorination process |
DE2905081A1 (de) * | 1979-02-10 | 1980-08-14 | Bayer Ag | Verfahren zur herstellung von in alpha-stellung monohalogenierten alkylbenzolen und neue in alpha-stellung monohalogenierte alkylbenzole |
-
1981
- 1981-03-27 US US06/248,599 patent/US4348265A/en not_active Expired - Lifetime
-
1982
- 1982-02-23 CA CA000396906A patent/CA1160646A/en not_active Expired
- 1982-03-24 DE DE8282102472T patent/DE3262515D1/de not_active Expired
- 1982-03-24 BR BR8201694A patent/BR8201694A/pt unknown
- 1982-03-24 EP EP82102472A patent/EP0061720B1/de not_active Expired
- 1982-03-27 JP JP57049940A patent/JPS57175134A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0061720A1 (de) | 1982-10-06 |
EP0061720B1 (de) | 1985-03-13 |
JPS57175134A (en) | 1982-10-28 |
BR8201694A (pt) | 1983-02-16 |
US4348265A (en) | 1982-09-07 |
CA1160646A (en) | 1984-01-17 |
JPH0145456B2 (de) | 1989-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA821642B (en) | Processes | |
DE3279606D1 (en) | Gyroscopic apparatus | |
JPS57155290A (en) | Hydrogen-coal process | |
PT74367B (en) | Chemical process | |
IL65910A0 (en) | Co-nitrating process | |
DE3262515D1 (en) | Process for the selective aliphatic chlorination of alkylbenzenes | |
PT74366B (en) | Chemical process | |
DE3275536D1 (en) | Phosphoanhydrite process | |
DE3260025D1 (en) | Process for the preparation of polychlorobenzoyl chlorides | |
DE3262923D1 (en) | Process for the preparation of nitroanilines | |
ZA823402B (en) | Comminnution process | |
YU50782A (en) | Process for the manufacture of substituted trifluoromethylphenyl-tetrahydropyridines | |
ZA828185B (en) | Chemical process | |
DE3476756D1 (en) | Process for the chlorination of polymers | |
GB8304161D0 (en) | Chemical process | |
ZA823278B (en) | Chemical process | |
GB2111516B (en) | Processes for the production of polyesterpolycarbonates | |
DE3268880D1 (en) | Process for the preparation of benzoyl chloride | |
GB8302155D0 (en) | Chemical process | |
GB8309066D0 (en) | Chemical process | |
ZA822139B (en) | Process for the selective aliphatic chlorination of alkylbenzenes | |
DE3261680D1 (en) | Process for the isomerization of alkylbenzenes | |
GB8304613D0 (en) | Chemical process | |
YU42756B (en) | Process for the manufacture of pyrbuterol | |
ZA822029B (en) | Resist-printing process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |