GB1437716A - Isomerisation of isopropylnaphthalene - Google Patents
Isomerisation of isopropylnaphthaleneInfo
- Publication number
- GB1437716A GB1437716A GB2135673A GB2135673A GB1437716A GB 1437716 A GB1437716 A GB 1437716A GB 2135673 A GB2135673 A GB 2135673A GB 2135673 A GB2135673 A GB 2135673A GB 1437716 A GB1437716 A GB 1437716A
- Authority
- GB
- United Kingdom
- Prior art keywords
- isopropylnaphthalene
- aluminium chloride
- isomerisation
- aluminium
- isopropylnaphthalenes
- 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
- PMPBFICDXLLSRM-UHFFFAOYSA-N 1-propan-2-ylnaphthalene Chemical compound C1=CC=C2C(C(C)C)=CC=CC2=C1 PMPBFICDXLLSRM-UHFFFAOYSA-N 0.000 title abstract 3
- 238000006317 isomerization reaction Methods 0.000 title abstract 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 abstract 2
- IAUKWGFWINVWKS-UHFFFAOYSA-N 1,2-di(propan-2-yl)naphthalene Chemical class C1=CC=CC2=C(C(C)C)C(C(C)C)=CC=C21 IAUKWGFWINVWKS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000006207 propylation Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
- C07C5/2732—Catalytic processes
- C07C5/274—Catalytic processes with inorganic acids; with salts or anhydrides of acids
- C07C5/2748—Acids of halogen; Salts thereof
- C07C5/2751—Metal halides; Complexes thereof with organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
- C07C5/2732—Catalytic processes
- C07C5/2756—Catalytic processes with hydrides or organic compounds
- C07C5/2759—Catalytic processes with hydrides or organic compounds containing metal-to-carbon bond; Metal hydrides
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/954—Exploiting mass-action phenomenon
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2222342A DE2222342C3 (de) | 1972-05-06 | 1972-05-06 | Verfahren zur Isomerisierung von α -Isopropylnaphthalin zu β -Isopropylnaphthalin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1437716A true GB1437716A (en) | 1976-06-03 |
Family
ID=5844270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2135673A Expired GB1437716A (en) | 1972-05-06 | 1973-05-04 | Isomerisation of isopropylnaphthalene |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3845149A (https=) |
| JP (1) | JPS4961146A (https=) |
| BE (1) | BE799196A (https=) |
| CA (1) | CA997377A (https=) |
| CH (1) | CH583670A5 (https=) |
| DE (1) | DE2222342C3 (https=) |
| FR (1) | FR2183816B1 (https=) |
| GB (1) | GB1437716A (https=) |
| IT (1) | IT987144B (https=) |
| NL (1) | NL7306041A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886223A (en) * | 1974-05-01 | 1975-05-27 | American Cyanamid Co | Isomerization of isopropylnaphthalene alkylate mixtures |
| JPS52106852A (en) * | 1976-03-03 | 1977-09-07 | Agency Of Ind Science & Technol | Beta-secondary-butylnaphthalenes |
| US4026959A (en) * | 1976-05-07 | 1977-05-31 | American Cyanamid Company | Low temperature isomerization process for isopropylnaphthalene (100 percent sieve catalyst) |
| US4288646A (en) * | 1979-10-05 | 1981-09-08 | Pcuk Produits Chimiques Ugine Kuhlmann | Regioselective preparation of β-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE936089C (de) * | 1953-06-29 | 1955-12-07 | Hercules Powder Co Ltd | Verfahren zur Herstellung von Isopropylnaphthalin |
| US3076856A (en) * | 1959-08-27 | 1963-02-05 | Continental Oil Co | Process for preparing dialkyl-naphthalene |
| GB1152532A (en) * | 1966-10-13 | 1969-05-21 | American Cyanamid Co | Isomerization of alkyl aromatic hydrocarbons. |
| NL6714802A (https=) * | 1966-11-01 | 1968-05-02 | ||
| DE1922845B2 (de) * | 1969-05-05 | 1978-01-12 | American Cyanamid Co, Wayne, N.J. (V.St.A.) | Verfahren zur erhoehung des verhaeltnisses von beta-isomerem zu alphaisomerem in einem gemisch aus alpha- und beta-isopropylnaphtalin |
-
1972
- 1972-05-06 DE DE2222342A patent/DE2222342C3/de not_active Expired
-
1973
- 1973-04-26 CA CA170,085A patent/CA997377A/en not_active Expired
- 1973-05-01 NL NL7306041A patent/NL7306041A/xx unknown
- 1973-05-02 US US00356406A patent/US3845149A/en not_active Expired - Lifetime
- 1973-05-02 CH CH624973A patent/CH583670A5/xx not_active IP Right Cessation
- 1973-05-04 JP JP48049231A patent/JPS4961146A/ja active Pending
- 1973-05-04 IT IT23738/73A patent/IT987144B/it active
- 1973-05-04 GB GB2135673A patent/GB1437716A/en not_active Expired
- 1973-05-04 FR FR7316160A patent/FR2183816B1/fr not_active Expired
- 1973-05-07 BE BE130830A patent/BE799196A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT987144B (it) | 1975-02-20 |
| FR2183816B1 (https=) | 1976-11-12 |
| US3845149A (en) | 1974-10-29 |
| CA997377A (en) | 1976-09-21 |
| JPS4961146A (https=) | 1974-06-13 |
| DE2222342C3 (de) | 1981-07-09 |
| CH583670A5 (https=) | 1977-01-14 |
| DE2222342A1 (de) | 1973-11-22 |
| NL7306041A (https=) | 1973-11-08 |
| BE799196A (fr) | 1973-11-07 |
| FR2183816A1 (https=) | 1973-12-21 |
| DE2222342B2 (de) | 1980-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |