BE799196A - Isomerisation de l'alpha-isopropyl-naphtalene, - Google Patents
Isomerisation de l'alpha-isopropyl-naphtalene,Info
- Publication number
- BE799196A BE799196A BE130830A BE130830A BE799196A BE 799196 A BE799196 A BE 799196A BE 130830 A BE130830 A BE 130830A BE 130830 A BE130830 A BE 130830A BE 799196 A BE799196 A BE 799196A
- Authority
- BE
- Belgium
- Prior art keywords
- isomerization
- naphthalene
- isopropyl
- alpha
- Prior art date
Links
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (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 |
---|---|
BE799196A true BE799196A (fr) | 1973-11-07 |
Family
ID=5844270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE130830A BE799196A (fr) | 1972-05-06 | 1973-05-07 | Isomerisation de l'alpha-isopropyl-naphtalene, |
Country Status (10)
Country | Link |
---|---|
US (1) | US3845149A (fr) |
JP (1) | JPS4961146A (fr) |
BE (1) | BE799196A (fr) |
CA (1) | CA997377A (fr) |
CH (1) | CH583670A5 (fr) |
DE (1) | DE2222342C3 (fr) |
FR (1) | FR2183816B1 (fr) |
GB (1) | GB1437716A (fr) |
IT (1) | IT987144B (fr) |
NL (1) | NL7306041A (fr) |
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. |
GB1209495A (en) * | 1966-11-01 | 1970-10-21 | Ashland Oil Inc | The preparation of alkylpolycyclic compounds and their oxidised products |
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 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
- 1973-05-04 JP JP48049231A patent/JPS4961146A/ja active Pending
- 1973-05-07 BE BE130830A patent/BE799196A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7306041A (fr) | 1973-11-08 |
DE2222342A1 (de) | 1973-11-22 |
CA997377A (en) | 1976-09-21 |
JPS4961146A (fr) | 1974-06-13 |
IT987144B (it) | 1975-02-20 |
FR2183816A1 (fr) | 1973-12-21 |
US3845149A (en) | 1974-10-29 |
GB1437716A (en) | 1976-06-03 |
DE2222342C3 (de) | 1981-07-09 |
CH583670A5 (fr) | 1977-01-14 |
DE2222342B2 (de) | 1980-09-04 |
FR2183816B1 (fr) | 1976-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: FARBWERKE HOECHST A.G. VORMALS MEISTER LUCIUS & B Effective date: 19840507 |