CA1081713A - Process for the preparation of 2,5-dichloro-p-xylene - Google Patents
Process for the preparation of 2,5-dichloro-p-xyleneInfo
- Publication number
- CA1081713A CA1081713A CA244,979A CA244979A CA1081713A CA 1081713 A CA1081713 A CA 1081713A CA 244979 A CA244979 A CA 244979A CA 1081713 A CA1081713 A CA 1081713A
- Authority
- CA
- Canada
- Prior art keywords
- xylene
- process according
- catalyst
- percent
- dichloro
- 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
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/385—Saturated compounds containing a keto group being part of a ring
- C07C49/417—Saturated compounds containing a keto group being part of a ring polycyclic
- C07C49/423—Saturated compounds containing a keto group being part of a ring polycyclic a keto group being part of a condensed ring system
- C07C49/427—Saturated compounds containing a keto group being part of a ring polycyclic a keto group being part of a condensed ring system having two rings
- C07C49/443—Saturated compounds containing a keto group being part of a ring polycyclic a keto group being part of a condensed ring system having two rings the condensed ring system containing eight or nine carbon atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/513—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54706675A | 1975-02-04 | 1975-02-04 | |
| US547,066 | 1975-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1081713A true CA1081713A (en) | 1980-07-15 |
Family
ID=24183212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA244,979A Expired CA1081713A (en) | 1975-02-04 | 1976-01-30 | Process for the preparation of 2,5-dichloro-p-xylene |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5953246B2 (ru) |
| BE (1) | BE838198A (ru) |
| BR (1) | BR7600572A (ru) |
| CA (1) | CA1081713A (ru) |
| CH (1) | CH619913A5 (ru) |
| DE (1) | DE2604278C2 (ru) |
| FR (1) | FR2300058A1 (ru) |
| GB (1) | GB1492162A (ru) |
| IT (1) | IT1057596B (ru) |
| NL (1) | NL7600938A (ru) |
| SU (2) | SU637075A3 (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05332871A (ja) * | 1992-06-01 | 1993-12-17 | Tokinori Tsuda | 指圧計 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3692850A (en) * | 1970-07-31 | 1972-09-19 | Tenneco Chem | Process for the production of 2,4,5-trichlorotoluene |
| IT1022654B (it) * | 1973-10-17 | 1978-04-20 | Hooker Chemicals Plastics Corp | Catalizzatori di orientamento di isomere per la alogenazione di idrocarburi aromatici |
-
1976
- 1976-01-29 BR BR7600572A patent/BR7600572A/pt unknown
- 1976-01-30 NL NL7600938A patent/NL7600938A/xx not_active Application Discontinuation
- 1976-01-30 CA CA244,979A patent/CA1081713A/en not_active Expired
- 1976-02-02 IT IT1980276A patent/IT1057596B/it active
- 1976-02-02 BE BE164034A patent/BE838198A/xx not_active IP Right Cessation
- 1976-02-02 FR FR7602762A patent/FR2300058A1/fr not_active Withdrawn
- 1976-02-03 GB GB427576A patent/GB1492162A/en not_active Expired
- 1976-02-03 SU SU762318204A patent/SU637075A3/ru active
- 1976-02-03 JP JP1121276A patent/JPS5953246B2/ja not_active Expired
- 1976-02-03 CH CH133376A patent/CH619913A5/de not_active IP Right Cessation
- 1976-02-04 SU SU762319160A patent/SU791219A3/ru active
- 1976-02-04 DE DE19762604278 patent/DE2604278C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7600572A (pt) | 1976-08-31 |
| DE2604278C2 (de) | 1984-07-05 |
| JPS5953246B2 (ja) | 1984-12-24 |
| NL7600938A (nl) | 1976-08-06 |
| JPS51101926A (ja) | 1976-09-08 |
| SU637075A3 (ru) | 1978-12-05 |
| DE2604278A1 (de) | 1976-08-05 |
| CH619913A5 (en) | 1980-10-31 |
| GB1492162A (en) | 1977-11-16 |
| IT1057596B (it) | 1982-03-30 |
| SU791219A3 (ru) | 1980-12-23 |
| FR2300058A1 (fr) | 1976-09-03 |
| BE838198A (fr) | 1976-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4010214A (en) | Process for the preparation of 2,5-dichloro-p-xylene | |
| JPH0656773A (ja) | Ｎ−フェニルマレイミドの製造方法 | |
| EP0140482B1 (en) | fluorination process for the production of nuclear fluorinated phthaloyl- and terephthaloyl fluorides | |
| KR100483775B1 (ko) | 아스코르브산의제조방법 | |
| US3836524A (en) | Preparation of esters of thiocarbamic acids | |
| CA1081713A (en) | Process for the preparation of 2,5-dichloro-p-xylene | |
| JPS61249964A (ja) | ３，４，５，６−テトラクロロ−２−トリクロロメチルピリジンに富む混合物の調製方法 | |
| US4078023A (en) | Production of O,O-dialkylthionophosphoric acid chlorides | |
| EP1065198B1 (en) | Process for the production of Malononitrile | |
| US3026358A (en) | Process for preparing penta-chloronitrobenzene | |
| JP3959777B2 (ja) | カルボン酸クロリドの製造方法 | |
| US3833652A (en) | Preparation of tetrachloroterephthaloyl chloride from chlorination of terephthaloyl chloride or terephthalic acid in a solution of chlorosulfonic acid | |
| CN114728879B (zh) | 2,3,5,6-四氯-1,4-苯二甲酸二甲酯的制造方法 | |
| US3198831A (en) | Process for the production of n, n-diethyltoluamides | |
| US3770774A (en) | Process for purifying crude chloromethyl dihydrosafrole and piperonylbutoxide therefrom | |
| US3989715A (en) | Process for manufacturing chlorothianthrenes | |
| CA1064508A (en) | Chlorination of butadiene sulfone to 3,3,4,4-tetrachlorotetrahydrothiophene-1,1-dioxide | |
| JP4542480B2 (ja) | マレオニトリル類の製造方法 | |
| EP0457149B1 (en) | Process of producing dichloroacetaldehyde trimer | |
| US3842115A (en) | Process for purifying diaminomaleonitrile | |
| JP3001626B2 (ja) | ２―クロロプロピオンアルデヒド三量体およびその製造方法 | |
| US3458573A (en) | Preparation of monochloroacetoacetamides | |
| US3303217A (en) | Oximino-1 chloro-2-cyclododecadiene 5, 9 and salts and process for the preparation threof | |
| US3492312A (en) | Manufacture of 6,7,8,9,10,10-hexahalo- 1,5,5alpha,6,9,9alpha - hexahydro - 6,9-methano-2,4,3-benzodioxathiepin-3-oxide | |
| US3966812A (en) | Trichloroethylidene-bis-(isocyanide-dichloride) and process for making same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |