GB1430025A - Preparation of dimethylnaphthalanes - Google Patents
Preparation of dimethylnaphthalanesInfo
- Publication number
- GB1430025A GB1430025A GB2734073A GB2734073A GB1430025A GB 1430025 A GB1430025 A GB 1430025A GB 2734073 A GB2734073 A GB 2734073A GB 2734073 A GB2734073 A GB 2734073A GB 1430025 A GB1430025 A GB 1430025A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- isomerization
- isomers
- sio
- acidic
- 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
- 239000003054 catalyst Substances 0.000 abstract 6
- 238000006317 isomerization reaction Methods 0.000 abstract 5
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical class C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 abstract 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract 3
- 229910004298 SiO 2 Inorganic materials 0.000 abstract 3
- 230000002378 acidificating effect Effects 0.000 abstract 3
- SDDBCEWUYXVGCQ-UHFFFAOYSA-N 1,5-dimethylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1C SDDBCEWUYXVGCQ-UHFFFAOYSA-N 0.000 abstract 2
- YGYNBBAUIYTWBF-UHFFFAOYSA-N 2,6-dimethylnaphthalene Chemical compound C1=C(C)C=CC2=CC(C)=CC=C21 YGYNBBAUIYTWBF-UHFFFAOYSA-N 0.000 abstract 2
- ABIPNDAVRBMCHV-UHFFFAOYSA-N 4,4-dimethyl-2,3-dihydro-1h-naphthalene Chemical compound C1=CC=C2C(C)(C)CCCC2=C1 ABIPNDAVRBMCHV-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- 238000006356 dehydrogenation reaction Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000007363 ring formation reaction Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- BMADLDGHUBLVMQ-UHFFFAOYSA-N 1,5-dimethyltetralin Chemical compound C1=CC=C2C(C)CCCC2=C1C BMADLDGHUBLVMQ-UHFFFAOYSA-N 0.000 abstract 1
- -1 C5E Dimethylnaphthalenes Chemical class 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010956 selective crystallization Methods 0.000 abstract 1
- 239000011973 solid acid Substances 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/24—Polycyclic condensed hydrocarbons containing two rings
-
- 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
-
- 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
- C07C5/31—Rearrangement of carbon atoms in the hydrocarbon skeleton changing the number of rings
-
- 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
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/367—Formation of an aromatic six-membered ring from an existing six-membered ring, e.g. dehydrogenation of ethylcyclohexane to ethylbenzene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26373172A | 1972-06-09 | 1972-06-09 | |
| US27889972A | 1972-08-09 | 1972-08-09 | |
| US27889872A | 1972-08-09 | 1972-08-09 | |
| US27889772A | 1972-08-09 | 1972-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1430025A true GB1430025A (en) | 1976-03-31 |
Family
ID=27500796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2734073A Expired GB1430025A (en) | 1972-06-09 | 1973-06-08 | Preparation of dimethylnaphthalanes |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS6027649B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2329402A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2187737B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1430025A (enrdf_load_stackoverflow) |
| IT (1) | IT985367B (enrdf_load_stackoverflow) |
| NL (1) | NL7307656A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0362651A3 (en) * | 1988-10-03 | 1990-10-31 | Mitsubishi Gas Chemical Company, Inc. | Process for the production of 2,6-dimethylnaphthalene |
| US12240805B2 (en) | 2021-06-07 | 2025-03-04 | Sinochem Hebei Fuheng Co., Ltd | Method for producing 1,4-dimethylnaphthalene |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382733A (en) * | 1992-03-27 | 1995-01-17 | Mitsubishi Kasei Corporation | Process for preparing naphthalene or derivative thereof |
| JP2006070000A (ja) * | 2004-09-06 | 2006-03-16 | Mitsubishi Gas Chem Co Inc | ナフタレンジカルボン酸ジメチルの製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3244758A (en) * | 1963-03-20 | 1966-04-05 | Sun Oil Co | Reaction of aromatic hydrocarbons with diolefins |
| JPS5093068A (enrdf_load_stackoverflow) * | 1973-12-17 | 1975-07-24 |
-
1973
- 1973-06-01 NL NL7307656A patent/NL7307656A/xx not_active Application Discontinuation
- 1973-06-07 JP JP48063441A patent/JPS6027649B2/ja not_active Expired
- 1973-06-08 FR FR7320920A patent/FR2187737B1/fr not_active Expired
- 1973-06-08 GB GB2734073A patent/GB1430025A/en not_active Expired
- 1973-06-08 DE DE19732329402 patent/DE2329402A1/de not_active Ceased
- 1973-06-08 IT IT5057873A patent/IT985367B/it active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0362651A3 (en) * | 1988-10-03 | 1990-10-31 | Mitsubishi Gas Chemical Company, Inc. | Process for the production of 2,6-dimethylnaphthalene |
| US12240805B2 (en) | 2021-06-07 | 2025-03-04 | Sinochem Hebei Fuheng Co., Ltd | Method for producing 1,4-dimethylnaphthalene |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2329402A1 (de) | 1973-12-20 |
| IT985367B (it) | 1974-11-30 |
| FR2187737A1 (enrdf_load_stackoverflow) | 1974-01-18 |
| JPS4948647A (enrdf_load_stackoverflow) | 1974-05-11 |
| NL7307656A (enrdf_load_stackoverflow) | 1973-12-11 |
| JPS6027649B2 (ja) | 1985-06-29 |
| FR2187737B1 (enrdf_load_stackoverflow) | 1978-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1412440A (en) | Process for the isomerisation transalkylation and disproportiona tion of alkylnaphthalenes | |
| MY121583A (en) | "c8 aromatics isomerization using catalyst containing modified silicoaluminophosphate molecular sieve" | |
| GB1458713A (en) | Process for preparing 2,6-dimethylnaphthalenes | |
| GB1430025A (en) | Preparation of dimethylnaphthalanes | |
| GB1185127A (en) | Process for the Dehydrogenation of Hydrocarbons | |
| Pines et al. | Isomerization of Saturated Hydrocarbons. XV. 1 The Hydro-isomerization of Ethyl-α-C14-cyclohexane and Ethyl-β-C14-cyclohexane | |
| CA946417A (en) | Isoprene from mixture of c5-paraffins and olefins by one-step oxidative dehydrogenation with isomerization of recycle n-amylenes | |
| GB1168009A (en) | Method for Dihydroisophorone Purification | |
| GB1425650A (enrdf_load_stackoverflow) | ||
| US3109036A (en) | Isomerization of dimethylnaphthalenes | |
| MX9304941A (es) | Procedimiento para preparar acido feniltereftalico. | |
| GB1193486A (en) | Production of Alkyl Aromatic Compounds | |
| GB1351331A (en) | Dehydrogenation of olefins | |
| DE60002513T2 (de) | Verfahren zur Herstellung von Dimethyltetralin | |
| IE45330L (en) | Preparing 2, 6-ditert-butyl-phenol | |
| GB1229099A (enrdf_load_stackoverflow) | ||
| GB1415004A (en) | Alkyl benzene isomerisation process | |
| GB1328918A (en) | Isomerization of polymethylbenzenes | |
| GB1152710A (en) | Catalytic Hydrogenation. | |
| GB1177737A (en) | Preparation of Cyclohexane | |
| US3363017A (en) | Xylene isomerization | |
| GB1171865A (en) | Continuous Process for the Preparation of p-Xylene. | |
| GB1223283A (en) | Preparation of cymenes | |
| GB1221972A (en) | Dehydrogenation process | |
| GB1536389A (en) | Process for isomerizing alkyl aromatic hydrocarbons |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |