DK167352B1 - Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden - Google Patents
Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden Download PDFInfo
- Publication number
- DK167352B1 DK167352B1 DK531085A DK531085A DK167352B1 DK 167352 B1 DK167352 B1 DK 167352B1 DK 531085 A DK531085 A DK 531085A DK 531085 A DK531085 A DK 531085A DK 167352 B1 DK167352 B1 DK 167352B1
- Authority
- DK
- Denmark
- Prior art keywords
- compound
- general formula
- group
- palladium
- triphenylphosphine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/23—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/02—Preparation of ethers from oxiranes
- C07C41/03—Preparation of ethers from oxiranes by reaction of oxirane rings with hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/16—Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/26—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/36—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
- C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH555884 | 1984-11-21 | ||
CH555884 | 1984-11-21 | ||
CH392785 | 1985-09-11 | ||
CH392785 | 1985-09-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK531085D0 DK531085D0 (da) | 1985-11-15 |
DK531085A DK531085A (da) | 1986-05-22 |
DK167352B1 true DK167352B1 (da) | 1993-10-18 |
Family
ID=25694195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK531085A DK167352B1 (da) | 1984-11-21 | 1985-11-15 | Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden |
Country Status (6)
Country | Link |
---|---|
US (1) | US4689427A (ja) |
EP (1) | EP0183042B1 (ja) |
JP (1) | JPH075500B2 (ja) |
CN (1) | CN1006063B (ja) |
DE (1) | DE3573598D1 (ja) |
DK (1) | DK167352B1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5189199A (en) * | 1987-09-28 | 1993-02-23 | Eastman Kodak Company | Process for the preparation of 1,4-disubstituted 2-butenes |
JP2774122B2 (ja) * | 1987-09-28 | 1998-07-09 | イーストマン ケミカル カンパニー | 1,4‐二置換 2‐ブテン類の製造方法 |
US5484736A (en) * | 1994-09-19 | 1996-01-16 | Midwest Research Institute | Process for producing large grain cadmium telluride |
AU6886896A (en) * | 1996-08-28 | 1998-03-19 | Farmacon, Inc. | Phenylbutanol derivatives, methods for their preparation and pharmaceutical compositions thereof |
US7169943B2 (en) * | 2002-11-21 | 2007-01-30 | Dsm Ip Assets B.V. | Manufacture of tocopheryl acetate |
WO2005026181A2 (en) * | 2003-09-15 | 2005-03-24 | Dsm Ip Assets B.V. | A NEW ROUTE TO α-TOCOPHEROL, α-TOCOPHERYL ALKANOATES AND PRECURSORS THEREOF |
WO2005026142A2 (en) * | 2003-09-15 | 2005-03-24 | Dsm Ip Assets B.V. | Synthesis of alpha-tocopheryl alkanoates and precursors thereof |
US8048981B2 (en) * | 2005-09-20 | 2011-11-01 | General Electric Company | Thermally curable compositions and method |
CN110975940B (zh) * | 2019-12-12 | 2022-09-20 | 万华化学集团股份有限公司 | 一种复合金属光催化体系及其制备方法和应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES147912A1 (es) * | 1939-02-16 | 1941-10-01 | Hoffmann La Roche | PROCEDIMIENTO PARA LA PREPARACIoN DE UN PRODUCTO DE CONDENSACIoN |
GB1426769A (en) * | 1972-12-04 | 1976-03-03 | Eisai Co Ltd | Process for the production of hydroquinone derivatives |
DE2909601A1 (de) * | 1979-03-12 | 1980-09-25 | Basf Ag | Verfahren zur herstellung von chromanderivaten |
DE3010504A1 (de) * | 1980-03-19 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von 2-hydroxyalkylchromanen |
CA1175058A (en) * | 1980-04-07 | 1984-09-25 | James E. Lyons | Selective production of phenylene diacetate |
-
1985
- 1985-10-21 DE DE8585113322T patent/DE3573598D1/de not_active Expired
- 1985-10-21 EP EP85113322A patent/EP0183042B1/de not_active Expired
- 1985-11-15 US US06/798,510 patent/US4689427A/en not_active Expired - Fee Related
- 1985-11-15 DK DK531085A patent/DK167352B1/da not_active IP Right Cessation
- 1985-11-20 CN CN85108407.9A patent/CN1006063B/zh not_active Expired
- 1985-11-20 JP JP60258797A patent/JPH075500B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK531085D0 (da) | 1985-11-15 |
CN85108407A (zh) | 1986-05-10 |
DK531085A (da) | 1986-05-22 |
US4689427A (en) | 1987-08-25 |
JPS61129145A (ja) | 1986-06-17 |
EP0183042A2 (de) | 1986-06-04 |
EP0183042A3 (en) | 1987-08-26 |
EP0183042B1 (de) | 1989-10-11 |
DE3573598D1 (en) | 1989-11-16 |
CN1006063B (zh) | 1989-12-13 |
JPH075500B2 (ja) | 1995-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn | ||
ATS | Application withdrawn | ||
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |