DE602004014290D1 - Verfahren zur herstellung von 2,3,5-trimethylhydrochinondiacylaten - Google Patents
Verfahren zur herstellung von 2,3,5-trimethylhydrochinondiacylatenInfo
- Publication number
- DE602004014290D1 DE602004014290D1 DE602004014290T DE602004014290T DE602004014290D1 DE 602004014290 D1 DE602004014290 D1 DE 602004014290D1 DE 602004014290 T DE602004014290 T DE 602004014290T DE 602004014290 T DE602004014290 T DE 602004014290T DE 602004014290 D1 DE602004014290 D1 DE 602004014290D1
- Authority
- DE
- Germany
- Prior art keywords
- diacylates
- trimethylhydrochinone
- preparation
- trimethyl
- benzoquinone
- 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.)
- Active
Links
- AYJXHIDNNLJQDT-UHFFFAOYSA-N 2,6,6-Trimethyl-2-cyclohexene-1,4-dione Chemical compound CC1=CC(=O)CC(C)(C)C1=O AYJXHIDNNLJQDT-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- NARPMWPOFWHFDX-UHFFFAOYSA-N methanetrisulfonic acid Chemical compound OS(=O)(=O)C(S(O)(=O)=O)S(O)(=O)=O NARPMWPOFWHFDX-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/017—Esters of hydroxy compounds having the esterified hydroxy group bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/12—Acetic acid esters
- C07C69/16—Acetic acid esters of dihydroxylic compounds
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03025513 | 2003-11-07 | ||
| PCT/EP2004/012058 WO2005044775A1 (en) | 2003-11-07 | 2004-10-26 | Process for the preparation of 2,3,5-trimethylhydroquinone diacylates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602004014290D1 true DE602004014290D1 (de) | 2008-07-17 |
Family
ID=34560154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602004014290T Active DE602004014290D1 (de) | 2003-11-07 | 2004-10-26 | Verfahren zur herstellung von 2,3,5-trimethylhydrochinondiacylaten |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7361781B2 (de) |
| EP (1) | EP1680392B1 (de) |
| JP (1) | JP4749336B2 (de) |
| KR (1) | KR101126908B1 (de) |
| CN (1) | CN1874988B (de) |
| AT (1) | ATE397579T1 (de) |
| DE (1) | DE602004014290D1 (de) |
| WO (1) | WO2005044775A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10258382B2 (en) | 2007-01-18 | 2019-04-16 | Roger P. Jackson | Rod-cord dynamic connection assemblies with slidable bone anchor attachment members along the cord |
| US8353932B2 (en) | 2005-09-30 | 2013-01-15 | Jackson Roger P | Polyaxial bone anchor assembly with one-piece closure, pressure insert and plastic elongate member |
| US10729469B2 (en) | 2006-01-09 | 2020-08-04 | Roger P. Jackson | Flexible spinal stabilization assembly with spacer having off-axis core member |
| US7621918B2 (en) | 2004-11-23 | 2009-11-24 | Jackson Roger P | Spinal fixation tool set and method |
| AU2004317551B2 (en) | 2004-02-27 | 2008-12-04 | Roger P. Jackson | Orthopedic implant rod reduction tool set and method |
| US8066739B2 (en) | 2004-02-27 | 2011-11-29 | Jackson Roger P | Tool system for dynamic spinal implants |
| US9216041B2 (en) | 2009-06-15 | 2015-12-22 | Roger P. Jackson | Spinal connecting members with tensioned cords and rigid sleeves for engaging compression inserts |
| US8366745B2 (en) | 2007-05-01 | 2013-02-05 | Jackson Roger P | Dynamic stabilization assembly having pre-compressed spacers with differential displacements |
| US10383660B2 (en) | 2007-05-01 | 2019-08-20 | Roger P. Jackson | Soft stabilization assemblies with pretensioned cords |
| US8911477B2 (en) | 2007-10-23 | 2014-12-16 | Roger P. Jackson | Dynamic stabilization member with end plate support and cable core extension |
| JP5716291B2 (ja) * | 2009-04-27 | 2015-05-13 | セントラル硝子株式会社 | 含フッ素レジスト用モノマー類の製造方法 |
| WO2021122436A1 (en) * | 2019-12-19 | 2021-06-24 | Dsm Ip Assets B.V. | Process for the preparaton of hydroquinones |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053884A (en) * | 1959-10-09 | 1962-09-11 | Eastman Kodak Co | Esterification by means of methane disulfonic acid and methane trisulfonic acid catalysts |
| UST900015I4 (en) * | 1970-10-01 | 1972-07-25 | defensive publication | |
| IL41330A (en) * | 1973-01-17 | 1975-07-28 | Imi Inst For Res & Dev | Solid catalyst for heterogeneous reactions |
| US4827021A (en) * | 1988-03-07 | 1989-05-02 | Eastman Kodak Company | Process for the preparation of alkyl 3-alkoxypropionates |
| ES2162147T3 (es) * | 1996-05-14 | 2001-12-16 | Degussa | Procedimiento para la preparacion de trimetilhidroquinona. |
| EP0850910B1 (de) | 1996-12-27 | 2001-11-21 | Daicel Chemical Industries, Ltd. | Methode zum Herstellen von Trimethylhydroquinondiester |
| DE19805690A1 (de) * | 1998-02-12 | 1999-08-19 | Degussa | Verfahren zur Herstellung von Trimethydrochinondiestern und von Trimethylhydrochinon |
| DE19817644A1 (de) * | 1998-04-21 | 1999-10-28 | Degussa | Neues Verfahren zur Herstellung von 2,3,5-Trimethylhydrochinondiestern |
| DE19905685A1 (de) * | 1999-02-11 | 2000-08-17 | Degussa | Verfahren zur Herstellung von 2,3,5-Trimethylhydrochinondiestern |
| DE10017494A1 (de) * | 2000-04-07 | 2001-10-11 | Degussa | Verfahren zur Herstellung von Trimethylhydrochinon-Diacetat und Trimethylhydrochinon |
| ATE532764T1 (de) * | 2001-12-14 | 2011-11-15 | Dsm Ip Assets Bv | Herstellung von trimethylhydrochinondiacylaten |
-
2004
- 2004-10-26 AT AT04790843T patent/ATE397579T1/de not_active IP Right Cessation
- 2004-10-26 CN CN2004800323125A patent/CN1874988B/zh active Active
- 2004-10-26 US US10/576,324 patent/US7361781B2/en active Active
- 2004-10-26 WO PCT/EP2004/012058 patent/WO2005044775A1/en active IP Right Grant
- 2004-10-26 JP JP2006538692A patent/JP4749336B2/ja not_active Expired - Fee Related
- 2004-10-26 EP EP04790843A patent/EP1680392B1/de active Active
- 2004-10-26 DE DE602004014290T patent/DE602004014290D1/de active Active
- 2004-10-26 KR KR1020067008782A patent/KR101126908B1/ko active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| JP4749336B2 (ja) | 2011-08-17 |
| ATE397579T1 (de) | 2008-06-15 |
| KR20060107769A (ko) | 2006-10-16 |
| EP1680392B1 (de) | 2008-06-04 |
| JP2007533653A (ja) | 2007-11-22 |
| CN1874988A (zh) | 2006-12-06 |
| EP1680392A1 (de) | 2006-07-19 |
| US20070123720A1 (en) | 2007-05-31 |
| CN1874988B (zh) | 2010-09-08 |
| KR101126908B1 (ko) | 2012-03-19 |
| US7361781B2 (en) | 2008-04-22 |
| WO2005044775A1 (en) | 2005-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |