DK234575A - Fremgangsmade til selektiv fremstilling af makrocykliske polyetere - Google Patents
Fremgangsmade til selektiv fremstilling af makrocykliske polyetereInfo
- Publication number
- DK234575A DK234575A DK234575A DK234575A DK234575A DK 234575 A DK234575 A DK 234575A DK 234575 A DK234575 A DK 234575A DK 234575 A DK234575 A DK 234575A DK 234575 A DK234575 A DK 234575A
- Authority
- DK
- Denmark
- Prior art keywords
- polyeters
- macrocyclic
- procedure
- selective manufacture
- selective
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO741930A NO134211C (da) | 1974-05-28 | 1974-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK234575A true DK234575A (da) | 1975-11-29 |
Family
ID=19881635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK234575A DK234575A (da) | 1974-05-28 | 1975-05-27 | Fremgangsmade til selektiv fremstilling af makrocykliske polyetere |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3997563A (da) |
| JP (1) | JPS5927351B2 (da) |
| BE (1) | BE829563A (da) |
| CA (1) | CA1039733A (da) |
| CH (1) | CH601284A5 (da) |
| DE (1) | DE2523542A1 (da) |
| DK (1) | DK234575A (da) |
| FR (1) | FR2273004B2 (da) |
| GB (1) | GB1456190A (da) |
| IT (1) | IT1035884B (da) |
| NL (1) | NL7506186A (da) |
| NO (1) | NO134211C (da) |
| SE (1) | SE426068B (da) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127513A (en) * | 1977-11-09 | 1978-11-28 | E. I. Du Pont De Nemours And Company | Method for preparing polyether glycols |
| US4257955A (en) * | 1978-10-06 | 1981-03-24 | Board Of Trustees, Michigan State University | Lanthanide rare earth series cryptate compounds and process for the preparation of metal cryptates in general |
| CA1131647A (en) * | 1978-11-10 | 1982-09-14 | Arie Van Zon | Macrocyclic polyether complexes and method for macrocyclic polyether isolation via said complexes |
| US4228272A (en) * | 1979-03-27 | 1980-10-14 | E. I. Du Pont De Nemours And Company | Method of catalytically preparing tetrahydrofuran/alkylene oxide polymerizates using a montmorillonite clay as the catalyst |
| US4329445A (en) * | 1979-04-30 | 1982-05-11 | E. I. Du Pont De Nemours And Company | Process for preparing a tetrahydrofuran-alkylene oxide copolymer with treated bentonite catalyst |
| US4392978A (en) * | 1979-12-26 | 1983-07-12 | Allied Corporation | Selective aromatic nitration |
| US4562272A (en) * | 1981-03-27 | 1985-12-31 | Union Carbide Corporation | Process for preparing cyclic polyethers |
| US4432904A (en) * | 1982-09-29 | 1984-02-21 | E. I. Du Pont De Nemours And Company | Phosphine azacrown ether compounds |
| GB8724662D0 (en) * | 1987-10-21 | 1987-11-25 | Ass Octel | Lewis base complexes of alkali metal salts |
| US5913446A (en) | 1994-06-21 | 1999-06-22 | Von Holdt, Sr.; John W. | Plastic bucket and lid |
| GB2303130A (en) * | 1995-07-10 | 1997-02-12 | Secr Defence | Cyclic oligomers of substituted cyclic ethers |
| DE19755415A1 (de) * | 1997-12-12 | 1999-06-17 | Basf Ag | Katalysator und Verfahren zur Herstellung von Polytetrahydrofuran |
| US6579997B1 (en) | 1999-07-21 | 2003-06-17 | Uab Research Foundation | Metallacrown ether catalysts for hydroformylation |
| DE102006057142A1 (de) * | 2006-12-01 | 2008-06-05 | Henkel Kgaa | Metallverbindungen als Initiatoren |
| CN114605374B (zh) * | 2022-04-01 | 2023-06-09 | 浙江肯特催化材料科技有限公司 | 一种环氧乙烷连续低聚合成脂肪族冠醚的方法 |
| CN114702472B (zh) * | 2022-04-01 | 2024-03-22 | 浙江肯特催化材料科技有限公司 | 一种环氧乙烷低聚合成脂肪族冠醚的制备方法 |
-
1974
- 1974-05-28 NO NO741930A patent/NO134211C/no unknown
-
1975
- 1975-05-23 GB GB2265675A patent/GB1456190A/en not_active Expired
- 1975-05-26 NL NL7506186A patent/NL7506186A/xx not_active Application Discontinuation
- 1975-05-26 IT IT49776/75A patent/IT1035884B/it active
- 1975-05-27 FR FR7516523A patent/FR2273004B2/fr not_active Expired
- 1975-05-27 CH CH678675A patent/CH601284A5/xx not_active IP Right Cessation
- 1975-05-27 DE DE19752523542 patent/DE2523542A1/de not_active Ceased
- 1975-05-27 JP JP50063415A patent/JPS5927351B2/ja not_active Expired
- 1975-05-27 BE BE6045029A patent/BE829563A/xx not_active IP Right Cessation
- 1975-05-27 US US05/580,794 patent/US3997563A/en not_active Expired - Lifetime
- 1975-05-27 DK DK234575A patent/DK234575A/da unknown
- 1975-05-27 CA CA227,880A patent/CA1039733A/en not_active Expired
- 1975-05-27 SE SE7506050A patent/SE426068B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3997563A (en) | 1976-12-14 |
| CA1039733A (en) | 1978-10-03 |
| JPS5123283A (en) | 1976-02-24 |
| NL7506186A (nl) | 1975-12-02 |
| SE426068B (sv) | 1982-12-06 |
| FR2273004B2 (da) | 1979-05-18 |
| SE7506050L (sv) | 1975-12-01 |
| GB1456190A (en) | 1976-11-17 |
| BE829563A (fr) | 1975-09-15 |
| DE2523542A1 (de) | 1975-12-04 |
| FR2273004A2 (da) | 1975-12-26 |
| NO741930L (da) | 1975-12-01 |
| IT1035884B (it) | 1979-10-20 |
| CH601284A5 (da) | 1978-07-14 |
| NO134211C (da) | 1976-09-01 |
| NO134211B (da) | 1976-05-24 |
| JPS5927351B2 (ja) | 1984-07-05 |
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