GB1476398A - Halogenation of aromatic compounds - Google Patents
Halogenation of aromatic compoundsInfo
- Publication number
- GB1476398A GB1476398A GB4482874A GB4482874A GB1476398A GB 1476398 A GB1476398 A GB 1476398A GB 4482874 A GB4482874 A GB 4482874A GB 4482874 A GB4482874 A GB 4482874A GB 1476398 A GB1476398 A GB 1476398A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- halogenation
- aromatic compounds
- process allows
- products
- 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
- 150000001491 aromatic compounds Chemical class 0.000 title 1
- 230000026030 halogenation Effects 0.000 title 1
- 238000005658 halogenation reaction Methods 0.000 title 1
- 239000003054 catalyst Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 229910052683 pyrite Inorganic materials 0.000 abstract 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 abstract 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000007345 electrophilic aromatic substitution reaction Methods 0.000 abstract 1
- 230000002140 halogenating effect Effects 0.000 abstract 1
- 238000006317 isomerization reaction Methods 0.000 abstract 1
- 229910052960 marcasite Inorganic materials 0.000 abstract 1
- 239000011028 pyrite Substances 0.000 abstract 1
- 238000006467 substitution reaction Methods 0.000 abstract 1
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
- C07C17/12—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic compounds
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/043—Sulfides with iron group metals or platinum group metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40735573A | 1973-10-17 | 1973-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1476398A true GB1476398A (en) | 1977-06-10 |
Family
ID=23611694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4482874A Expired GB1476398A (en) | 1973-10-17 | 1974-10-16 | Halogenation of aromatic compounds |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5064231A (https=) |
| BE (1) | BE821049A (https=) |
| CH (1) | CH608476A5 (https=) |
| DE (1) | DE2447932A1 (https=) |
| FR (1) | FR2248253B1 (https=) |
| GB (1) | GB1476398A (https=) |
| IT (1) | IT1022654B (https=) |
| NL (1) | NL7413614A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010214A (en) * | 1975-02-04 | 1977-03-01 | Hooker Chemicals & Plastics Corporation | Process for the preparation of 2,5-dichloro-p-xylene |
| BR7600572A (pt) * | 1975-02-04 | 1976-08-31 | Hooker Chemicals Plastics Corp | Processo para a preparacao de 2,5-dicloro-p-xileno |
| US4031147A (en) * | 1975-08-01 | 1977-06-21 | Hooker Chemicals & Plastics Corporation | Process for directed chlorination of alkylbenzenes |
| US4031142A (en) * | 1975-08-01 | 1977-06-21 | Hooker Chemicals & Plastics Corporation | Process for the directed chlorination of alkylbenzenes |
-
1974
- 1974-10-07 IT IT2813774A patent/IT1022654B/it active
- 1974-10-08 DE DE19742447932 patent/DE2447932A1/de active Pending
- 1974-10-14 BE BE149515A patent/BE821049A/xx unknown
- 1974-10-16 NL NL7413614A patent/NL7413614A/xx not_active Application Discontinuation
- 1974-10-16 GB GB4482874A patent/GB1476398A/en not_active Expired
- 1974-10-17 CH CH1392574A patent/CH608476A5/xx not_active IP Right Cessation
- 1974-10-17 FR FR7435030A patent/FR2248253B1/fr not_active Expired
- 1974-10-17 JP JP11983474A patent/JPS5064231A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7413614A (nl) | 1975-04-21 |
| BE821049A (fr) | 1975-04-14 |
| JPS5064231A (https=) | 1975-05-31 |
| FR2248253B1 (https=) | 1978-09-29 |
| DE2447932A1 (de) | 1975-04-24 |
| CH608476A5 (en) | 1979-01-15 |
| IT1022654B (it) | 1978-04-20 |
| FR2248253A1 (https=) | 1975-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |