DK167352B1 - Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden - Google Patents

Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden Download PDF

Info

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
Application number
DK531085A
Other languages
Danish (da)
English (en)
Other versions
DK531085D0 (da
DK531085A (da
Inventor
Marquard Imfeld
Original Assignee
Hoffmann La Roche
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DK531085D0 publication Critical patent/DK531085D0/da
Publication of DK531085A publication Critical patent/DK531085A/da
Application granted granted Critical
Publication of DK167352B1 publication Critical patent/DK167352B1/da

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
DK531085A 1984-11-21 1985-11-15 Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden DK167352B1 (da)

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 (fr)
EP (1) EP0183042B1 (fr)
JP (1) JPH075500B2 (fr)
CN (1) CN1006063B (fr)
DE (1) DE3573598D1 (fr)
DK (1) DK167352B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5189199A (en) * 1987-09-28 1993-02-23 Eastman Kodak Company Process for the preparation of 1,4-disubstituted 2-butenes
US5484736A (en) * 1994-09-19 1996-01-16 Midwest Research Institute Process for producing large grain cadmium telluride
WO1998008837A1 (fr) * 1996-08-28 1998-03-05 Farmacon, Inc. Derives de phenylbutanol, procedes de preparation de ces derniers et compositions pharmaceutiques les contenant
JP5096653B2 (ja) * 2001-09-28 2012-12-12 株式会社ペンタプラストア ２，３−ジメトキシ−５−メチル−１，４−ジヒドロキシベンゼン誘導体およびその製造方法
WO2004046126A1 (fr) * 2002-11-21 2004-06-03 Dsm Ip Assets B.V. Fabrication d'acetate de tocopheryle
EP1663937A2 (fr) 2003-09-15 2006-06-07 DSM IP Assets B.V. Nouvelle voie de preparation d'alcanoates d'alpha-tocopheryle et de leurs precurseurs
EP1664067A2 (fr) * 2003-09-15 2006-06-07 DSM IP Assets B.V. NOUVEAU PROCEDE DE PRODUCTION D'ALKANOATES D'alpha-TOCOPHEROLE, D'alpha-TOCOPHERYLE ET PRECURSEURS ASSOCIES
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)

* Cited by examiner, † Cited by third party
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 (fr) * 1980-04-07 1984-09-25 James E. Lyons Preparation selective de diacetate de phenylene

Also Published As

Publication number Publication date
EP0183042B1 (fr) 1989-10-11
EP0183042A3 (en) 1987-08-26
CN1006063B (zh) 1989-12-13
EP0183042A2 (fr) 1986-06-04
CN85108407A (zh) 1986-05-10
DE3573598D1 (en) 1989-11-16
JPH075500B2 (ja) 1995-01-25
US4689427A (en) 1987-08-25
JPS61129145A (ja) 1986-06-17
DK531085D0 (da) 1985-11-15
DK531085A (da) 1986-05-22

Similar Documents

Publication Publication Date Title
HUT77515A (hu) Hidrogénezett benzopirán- és naftalinszármazékok, ezeket tartalmazó gyógyszerkészítmények és intermedierjeik
HU194858B (en) Process for producing dibenzo/b,d/pirane derivatives and pharmaceutical compositions containing them
US4851585A (en) Vitamin E intermediates
WO2005035490A2 (fr) Procede de synthese de d-tocotrienols
US4689427A (en) Hydroquinone derivatives useful in the production of vitamin E
DK170773B1 (da) Fremgangsmåde til fremstilling af d-alfa-tocopherol
JP5502849B2 (ja) ネビボロールの調製プロセス
US4752646A (en) 2-halochromans
Katritzky et al. Additions of 1-(. alpha.-alkoxybenzyl) benzotriazoles to enol ethers. New routes to 1, 3-diethers
GB1594450A (en) 1,3-oxathiolane sulphoxides and their use in the preparation of 5,6-dihydro-2-methyl-1,4-oxathiin derivatives
Tashiro et al. Metacyclophanes and related compounds. 23. Preparation of fluorinated [2, 2] metacyclophanes
Coutts et al. Spirodienones. Part 2. The synthesis of some heterocyclic spirodienones by phenolic coupling
US5116987A (en) Method of preparing chroman derivatives, and synthesis intermediates
US5136061A (en) Optically active pentane derivatives and intermediates thereof, and process for manufacturing same
KR100570279B1 (ko) 코엔자임 Ｑｎ의 중간체 및 그 중간체의 제조방법
US5034546A (en) Novel vitamin E intermediates and a process for their manufacture and conversion into vitamin E
US5243096A (en) Optically active pentane derivatives and intermediates thereof, and process for manufacturing same
US5153344A (en) Vitamin E intermediates and a process for their manufacture and conversion into vitamin E
CN110015946B (zh) 一种1,5-二芳基-4-戊烯-1-醇化合物的制备方法
EP0059094B1 (fr) Cycloheptanes
JP2888250B2 (ja) 光学活性なヘキサデカン誘導体及びその製造方法
Okuma et al. FORMATION OF 5-METHYLENE-1, 3-DIOXEPANES BY THE REACTION
KR100531117B1 (ko) 신규 3,4-다이엑소메틸렌 테트라하이드로파이란 유도체 및이들의 제조방법
EP0356070A1 (fr) Synthèse de l'oxyde d'acétoxy-4 styrène et composés apparentés
Goering et al. Preparation and determination of absolute configurations and rotations of 1, 2-dimethyl-5-norbornen-2-yl derivatives

Legal Events

Date Code Title Description
ATS Application withdrawn
ATS Application withdrawn
B1 Patent granted (law 1993)
PBP Patent lapsed