IL62379A - Continuous countercurrent process for the preparation of trifluoromethylbenzenes - Google Patents
Continuous countercurrent process for the preparation of trifluoromethylbenzenesInfo
- Publication number
- IL62379A IL62379A IL62379A IL6237981A IL62379A IL 62379 A IL62379 A IL 62379A IL 62379 A IL62379 A IL 62379A IL 6237981 A IL6237981 A IL 6237981A IL 62379 A IL62379 A IL 62379A
- Authority
- IL
- Israel
- Prior art keywords
- trifluoromethylbenzenes
- preparation
- continuous countercurrent
- countercurrent process
- methylbenzenes
- Prior art date
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
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/245—Stationary reactors without moving elements inside placed in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B39/00—Halogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/62—Preparation of carboxylic acid halides by reactions not involving the carboxylic acid halide group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8005877A FR2478074A1 (fr) | 1980-03-17 | 1980-03-17 | Procede de preparation de trifluoromethylbenzenes a partir des trichloro- ou tribromo-methylbenzenes correspondants |
Publications (2)
Publication Number | Publication Date |
---|---|
IL62379A0 IL62379A0 (en) | 1981-05-20 |
IL62379A true IL62379A (en) | 1984-12-31 |
Family
ID=9239720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL62379A IL62379A (en) | 1980-03-17 | 1981-03-16 | Continuous countercurrent process for the preparation of trifluoromethylbenzenes |
Country Status (7)
Country | Link |
---|---|
US (1) | US4462937A (xx) |
EP (1) | EP0036352B1 (xx) |
JP (1) | JPS572225A (xx) |
AT (1) | ATE3632T1 (xx) |
DE (1) | DE3160378D1 (xx) |
FR (1) | FR2478074A1 (xx) |
IL (1) | IL62379A (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4582935A (en) * | 1984-12-21 | 1986-04-15 | Olin Corporation | Process for producing meta-aminobenzotrifluoride |
JPS62149382U (xx) * | 1986-03-14 | 1987-09-21 | ||
JPS6316778U (xx) * | 1986-07-18 | 1988-02-03 | ||
US4876404A (en) * | 1986-08-13 | 1989-10-24 | Central Glass Company, Limited | Preparation of dichlorotrifluoromethyltoluenes including novel isomers |
DE3725659A1 (de) * | 1987-08-03 | 1989-02-16 | Bayer Ag | Verfahren zur herstellung von mit fluor und gegebenenfalls zusaetzlich chlor substituierten benzotrifluoriden und neue benzotrifluoride |
JP2606875B2 (ja) * | 1988-03-31 | 1997-05-07 | 株式会社トクヤマ | 有機化合物のフッ素化方法 |
ATE243541T1 (de) * | 1995-03-22 | 2003-07-15 | Michael Bono | Verbesserter vernebler sowie diesen enthaltende inhaliervorrichtung |
JP3638790B2 (ja) * | 1998-04-27 | 2005-04-13 | セントラル硝子株式会社 | ビストリフルオロメチルベンゼンの製造方法 |
CN102134175B (zh) * | 2010-12-31 | 2014-03-26 | 江苏威耳化工有限公司 | 一种苄氟有机化合物的制备方法 |
CN102320919B (zh) * | 2011-10-31 | 2014-07-23 | 江苏威耳化工有限公司 | 2,6-二氯-三氟甲苯的制备方法 |
CN103896728A (zh) * | 2014-02-21 | 2014-07-02 | 江苏丰华化学工业有限公司 | 一种3,4-二氯三氟甲苯的制备方法 |
US9416073B2 (en) * | 2014-10-06 | 2016-08-16 | Honeywell International Inc. | Method to improve halogenation reactions |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1967244A (en) * | 1932-08-31 | 1934-07-24 | Kinetic Chemicals Inc | Production of organic fluorine compounds |
US2181554A (en) * | 1936-04-18 | 1939-11-28 | Gen Aniline Works Inc | Benzenecarboxylic acid fluorides containing trifluoromethyl groups and process of preparing them |
DE1618390C3 (de) * | 1967-03-22 | 1975-01-09 | Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt | Verfahren zur Herstellung von Benzolderivaten mit einer oder mehreren Trifluormethylgruppen |
US3859372A (en) * | 1969-12-03 | 1975-01-07 | Hooker Chemicals Plastics Corp | Process for the preparation of organic fluorine compounds |
NL171233C (nl) * | 1971-05-12 | 1983-03-01 | Comprimo N V | Inrichting voor het uitvoeren van reacties in heterogene systemen alsmede werkwijze voor het bereiden van onderchlorig zuur onder toepassing van deze inrichting. |
CA1029746A (en) * | 1973-11-10 | 1978-04-18 | Hoechst Aktiengesellschaft | Process for preparing derivatives of benzene fluorinated in the lateral chains |
CH598163A5 (xx) * | 1974-12-19 | 1978-04-28 | Lonza Ag | |
US4183873A (en) * | 1976-11-01 | 1980-01-15 | Hooker Chemicals & Plastics Corp. | Liquid phase fluorination process |
JPS6039048B2 (ja) * | 1976-12-27 | 1985-09-04 | ダイキン工業株式会社 | ベンゾトリフルオライドまたはその誘導体の製法 |
JPS54130524A (en) * | 1978-03-30 | 1979-10-09 | Daikin Ind Ltd | Preraration of trifluoromethylbenzene or its derivative |
-
1980
- 1980-03-17 FR FR8005877A patent/FR2478074A1/fr active Granted
-
1981
- 1981-03-04 EP EP81400328A patent/EP0036352B1/fr not_active Expired
- 1981-03-04 AT AT81400328T patent/ATE3632T1/de not_active IP Right Cessation
- 1981-03-04 DE DE8181400328T patent/DE3160378D1/de not_active Expired
- 1981-03-12 US US06/243,205 patent/US4462937A/en not_active Expired - Fee Related
- 1981-03-16 IL IL62379A patent/IL62379A/xx unknown
- 1981-03-16 JP JP3666781A patent/JPS572225A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0036352B1 (fr) | 1983-06-01 |
JPS5754488B2 (xx) | 1982-11-18 |
ATE3632T1 (de) | 1983-06-15 |
FR2478074B1 (xx) | 1982-06-25 |
US4462937A (en) | 1984-07-31 |
DE3160378D1 (en) | 1983-07-07 |
FR2478074A1 (fr) | 1981-09-18 |
EP0036352A1 (fr) | 1981-09-23 |
JPS572225A (en) | 1982-01-07 |
IL62379A0 (en) | 1981-05-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL62379A (en) | Continuous countercurrent process for the preparation of trifluoromethylbenzenes | |
ZA776800B (en) | Process for the production of nitrogen-rich gases from gases,such as,for example,air,which contain at least o2 in addition to n2 | |
YU194481A (en) | Process for the manufacture of catalysts for the polymerization of olefines | |
YU146182A (en) | Process for the separation of condensable hydrocarbons from a gaseous stream comprising them | |
DE3060755D1 (en) | Cyclic adsorption process for the separation of a gas mixture | |
ZA817616B (en) | Process for the production of high pressure oxygen gas | |
MX5187E (es) | Metodo mejorado para la recuperacion de azufre a partir de corrientes gaseosas que contienen acido sulfhidrico | |
JPS5581719A (en) | Method for separating gaseous resultant from mixed gas obtained by chemical reaction | |
IT8121232A0 (it) | Procedimento per produrre acido l-glutammico mediante fermentazione. | |
BE840580A (fr) | Procede de production de 1,3-butadiene a partir d'un melange d'hydrocarbures en c4 | |
IT1015056B (it) | Processo per la produzione di ca talizzatori a carattere acido per per la conversione di idrocarburi | |
EG14740A (en) | Stage process for the production of middle distillate from a heavy distillate | |
DE3062065D1 (en) | Process for the separation of olefines from gases containing olefines | |
EP0046367A3 (en) | Production of oxygen by air separation | |
IT1119601B (it) | Procedimento per la produzione industriale della zeolite a con un processo semicontinuo | |
ZA752912B (en) | Process for separating butadiene from c, hydrocarbons streams obtained by stream-cracking | |
NO162853C (no) | Separering av normal-parafiner fra hydrokarbonblandinger ved en konstant-trykk-prosess. | |
IT981074B (it) | Procedimento per la fabbricazione di un gas contenente anidride sol forosa a partire da un acido solforico contenente solfato ferroso | |
ZA812496B (en) | Process for the production of synthesis gases | |
IT1043324B (it) | Processo per la separazione di un gas acido da una miscelagassosa | |
ZA745051B (en) | Process for the separation of c4 acetylenic hydrocarbons from gas streams | |
JPS5743823A (en) | Manufacture of tube, which is taken out little by little, for packing | |
JPS56128800A (en) | Manufacture of steroid | |
DE2962722D1 (en) | Process for the production of epsilon-caprolactam by catalytic conversion of a cyclohexanone oxime | |
GB2087400B (en) | Process for the production of a syrup having a high fructose concentration |