SG52399A1 - Dimethylnaphthalene isomerization - Google Patents
Dimethylnaphthalene isomerizationInfo
- Publication number
- SG52399A1 SG52399A1 SG1996003994A SG1996003994A SG52399A1 SG 52399 A1 SG52399 A1 SG 52399A1 SG 1996003994 A SG1996003994 A SG 1996003994A SG 1996003994 A SG1996003994 A SG 1996003994A SG 52399 A1 SG52399 A1 SG 52399A1
- Authority
- SG
- Singapore
- Prior art keywords
- dimethylnaphthalene
- isomerization
- dimethylnaphthalene isomerization
- Prior art date
Links
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical compound C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 title 2
- 238000006317 isomerization reaction Methods 0.000 title 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
- C07C5/2737—Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves
-
- 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
- C07C5/373—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- C07C2529/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
- C07C2529/12—Noble metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65
- C07C2529/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65 containing iron group metals, noble metals or copper
- C07C2529/74—Noble metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/10—One of the condensed rings being a six-membered aromatic ring the other ring being six-membered, e.g. tetraline
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural 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)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21100088A | 1988-06-24 | 1988-06-24 | |
| US07/316,308 US4950825A (en) | 1988-06-24 | 1989-02-27 | Preparation of a dimethyltetralin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG52399A1 true SG52399A1 (en) | 1998-09-28 |
Family
ID=26905713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1996003994A SG52399A1 (en) | 1988-06-24 | 1989-06-20 | Dimethylnaphthalene isomerization |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4950825A (fr) |
| EP (2) | EP0351074B1 (fr) |
| JP (1) | JP2660078B2 (fr) |
| KR (1) | KR0145694B1 (fr) |
| CN (1) | CN1020716C (fr) |
| BR (1) | BR8907013A (fr) |
| CA (1) | CA1325434C (fr) |
| DE (2) | DE68918016T2 (fr) |
| ES (2) | ES2096185T3 (fr) |
| NZ (1) | NZ229664A (fr) |
| RU (1) | RU2126782C1 (fr) |
| SG (1) | SG52399A1 (fr) |
| WO (1) | WO1989012612A1 (fr) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5034561A (en) * | 1990-06-15 | 1991-07-23 | Amoco Corporation | Catalytic alkenylbenzene cyclization |
| US5073670A (en) * | 1988-06-24 | 1991-12-17 | Amoco Corporation | Preparation of a dimethyltetralin |
| US5118892A (en) * | 1988-06-24 | 1992-06-02 | Amoco Corporation | Preparation of a dimethylnaphthalene |
| US5401892A (en) * | 1988-06-24 | 1995-03-28 | Amoco Corporation | Preparation of a dimethyltetralin by cyclizing an orthotolylpentene phenylhexene using an ultra-stable crystalline aluminosilicate molecular sieve y-zeolite |
| US5284987A (en) * | 1990-06-15 | 1994-02-08 | Amoco Corporation | Preparation of a dimethyltetralin in a distillation reactor |
| US4999326A (en) * | 1990-06-18 | 1991-03-12 | Amoco Corporation | Palladium catalyst reactivation |
| EP0490349B1 (fr) * | 1990-12-12 | 1995-05-31 | Kawasaki Steel Corporation | Procédé pour la production de 2-methylnapthalène et méthode pour restorer l'activité du catalyseur solide acide employé dans ce procédé |
| JPH05310611A (ja) * | 1991-08-16 | 1993-11-22 | Kawasaki Steel Corp | 2−メチルナフタレンの製造方法 |
| JP2891272B2 (ja) * | 1992-08-03 | 1999-05-17 | 三菱瓦斯化学株式会社 | ジメチルテトラリンの製造方法 |
| DE60002513T2 (de) | 1999-02-22 | 2004-04-08 | Mitsubishi Gas Chemical Co., Inc. | Verfahren zur Herstellung von Dimethyltetralin |
| BR0107601A (pt) * | 2000-01-14 | 2002-10-15 | Bp Corp North America Inc | Processo para a fabricação de1,5-naftalenodicarboxilato de dimetila, polìmero, e, fibras, filmes e artigos moldados |
| US6642407B2 (en) | 2001-05-18 | 2003-11-04 | Exxon Mobil Chemical Patents Inc. | Production, purification and polymerization of aromatic dicarboxylic acids |
| US7247742B2 (en) * | 2004-05-20 | 2007-07-24 | Bp Corporation North America Inc. | Recycling polyethylene naphthalate containing materials in a process to produce diesters |
| KR100621823B1 (ko) * | 2004-07-21 | 2006-09-14 | 재단법인서울대학교산학협력재단 | 2,6-디알킬테트랄린의 제조 방법 |
| KR100769021B1 (ko) * | 2006-04-04 | 2007-10-23 | 주식회사 효성 | 탈알루미늄된 제올라이트 베타 촉매를 이용한1,5-디메틸테트랄린의 제조방법 |
| KR100721442B1 (ko) * | 2006-06-23 | 2007-05-23 | 주식회사 효성 | 이성화 반응 및 결정화 공정을 포함하는2,6-디메틸나프탈렌의 분리 및 정제 방법 |
| KR100960050B1 (ko) * | 2008-03-20 | 2010-05-31 | 주식회사 효성 | 이온교환된 제올라이트 촉매를 이용한1,5-디메틸테트랄린의 제조방법 |
| WO2012005694A1 (fr) * | 2010-07-07 | 2012-01-12 | Agency For Science, Technology And Research | Dihydroindènes et composés associés |
| CN103319370B (zh) * | 2012-03-21 | 2016-08-03 | 黑龙江福和华星制药集团股份有限公司 | 一种(7-甲氧基-1-萘基)乙腈的制备方法 |
| CN115504850B (zh) | 2021-06-07 | 2025-05-23 | 河北中化滏恒股份有限公司 | 1,4-二甲基萘的制造方法 |
| CN115504849A (zh) | 2021-06-07 | 2022-12-23 | 河北中化滏恒股份有限公司 | 1,4-二甲基四氢萘的制造方法 |
| CN119859085B (zh) * | 2023-10-19 | 2026-03-03 | 帕潘纳(北京)科技有限公司 | 一种1,4-二甲基萘的制备方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855328A (en) * | 1971-12-14 | 1974-12-17 | Sun Research Development | Isomerization and/or transalkylation and/or disproportionation of alkylnaphthalenes |
| US3803253A (en) * | 1971-12-14 | 1974-04-09 | Sun Research Development | Hydroisomerization of dimethylnaphthalenes using a calcium zeolite catalyst |
| US3775498A (en) * | 1972-06-09 | 1973-11-27 | Sun Research Development | Preparation of 2,6-dimethylnaphthalene |
| US3775496A (en) * | 1972-08-09 | 1973-11-27 | Sun Research Development | Preparation of 2,6-dimethylnaphthalene and 2,7-dimethylnaphthalene |
| US3775497A (en) * | 1972-08-09 | 1973-11-27 | Sun Research Development | Preparation of 2,3-dimethylnaphthalene |
| US3775500A (en) * | 1972-08-09 | 1973-11-27 | Sun Research Development | Preparation of 2,7-dimethylnaphthalene |
| JPS5724331B2 (fr) * | 1973-05-31 | 1982-05-24 | ||
| JPS587613B2 (ja) * | 1973-09-18 | 1983-02-10 | 帝人株式会社 | アルキルテトラリン ノ セイゾウホウホウ |
| US3843737A (en) * | 1973-10-31 | 1974-10-22 | Sun Ventures Inc | Adiabatic recycle design for exothermic heterogeneously catalyzed reactions |
| JPS5724767B2 (fr) * | 1973-11-01 | 1982-05-26 | ||
| US3997616A (en) * | 1975-06-27 | 1976-12-14 | Teijin Limited | Process for the preparation of alkylteralins |
-
1989
- 1989-02-27 US US07/316,308 patent/US4950825A/en not_active Expired - Lifetime
- 1989-06-05 WO PCT/US1989/002436 patent/WO1989012612A1/fr not_active Ceased
- 1989-06-05 JP JP1507330A patent/JP2660078B2/ja not_active Expired - Fee Related
- 1989-06-05 BR BR898907013A patent/BR8907013A/pt not_active IP Right Cessation
- 1989-06-05 RU RU93058538A patent/RU2126782C1/ru active
- 1989-06-05 KR KR1019900700402A patent/KR0145694B1/ko not_active Expired - Fee Related
- 1989-06-13 CA CA000602592A patent/CA1325434C/fr not_active Expired - Fee Related
- 1989-06-20 SG SG1996003994A patent/SG52399A1/en unknown
- 1989-06-20 DE DE68918016T patent/DE68918016T2/de not_active Expired - Fee Related
- 1989-06-20 EP EP89306236A patent/EP0351074B1/fr not_active Expired - Lifetime
- 1989-06-20 ES ES93118422T patent/ES2096185T3/es not_active Expired - Lifetime
- 1989-06-20 ES ES89306236T patent/ES2061995T3/es not_active Expired - Lifetime
- 1989-06-20 DE DE68927717T patent/DE68927717T2/de not_active Expired - Fee Related
- 1989-06-20 EP EP93118422A patent/EP0589490B1/fr not_active Expired - Lifetime
- 1989-06-22 NZ NZ229664A patent/NZ229664A/xx unknown
- 1989-06-24 CN CN89104368A patent/CN1020716C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR0145694B1 (ko) | 1998-08-17 |
| CA1325434C (fr) | 1993-12-21 |
| DE68918016D1 (de) | 1994-10-13 |
| DE68927717D1 (de) | 1997-03-06 |
| US4950825A (en) | 1990-08-21 |
| WO1989012612A1 (fr) | 1989-12-28 |
| JPH03500052A (ja) | 1991-01-10 |
| ES2096185T3 (es) | 1997-03-01 |
| CN1038805A (zh) | 1990-01-17 |
| EP0589490B1 (fr) | 1997-01-22 |
| BR8907013A (pt) | 1990-12-26 |
| ES2061995T3 (es) | 1994-12-16 |
| EP0589490A1 (fr) | 1994-03-30 |
| KR900701698A (ko) | 1990-12-04 |
| DE68918016T2 (de) | 1994-12-22 |
| CN1020716C (zh) | 1993-05-19 |
| EP0351074B1 (fr) | 1994-09-07 |
| NZ229664A (en) | 1990-07-26 |
| JP2660078B2 (ja) | 1997-10-08 |
| RU2126782C1 (ru) | 1999-02-27 |
| EP0351074A1 (fr) | 1990-01-17 |
| DE68927717T2 (de) | 1997-07-03 |
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