DK0645383T3 - Fremgangsmåde til fremstilling af chromaner - Google Patents

Fremgangsmåde til fremstilling af chromaner

Info

Publication number
DK0645383T3
DK0645383T3 DK94114968T DK94114968T DK0645383T3 DK 0645383 T3 DK0645383 T3 DK 0645383T3 DK 94114968 T DK94114968 T DK 94114968T DK 94114968 T DK94114968 T DK 94114968T DK 0645383 T3 DK0645383 T3 DK 0645383T3
Authority
DK
Denmark
Prior art keywords
chromanes
preparation
carbon
chroman
formaldehyde
Prior art date
Application number
DK94114968T
Other languages
English (en)
Inventor
Eriko Fukumoto
Masahiro Torihara
Yoshin Tamai
Original Assignee
Kuraray Co
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 Kuraray Co filed Critical Kuraray Co
Application granted granted Critical
Publication of DK0645383T3 publication Critical patent/DK0645383T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70Benzo[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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70Benzo[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
    • C07D311/723,4-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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK94114968T 1993-09-28 1994-09-22 Fremgangsmåde til fremstilling af chromaner DK0645383T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26418693A JP3400039B2 (ja) 1993-09-28 1993-09-28 クロマン化合物の製造方法

Publications (1)

Publication Number Publication Date
DK0645383T3 true DK0645383T3 (da) 1999-10-11

Family

ID=17399674

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94114968T DK0645383T3 (da) 1993-09-28 1994-09-22 Fremgangsmåde til fremstilling af chromaner

Country Status (8)

Country Link
US (1) US5495026A (da)
EP (1) EP0645383B1 (da)
JP (1) JP3400039B2 (da)
KR (1) KR970005535B1 (da)
AT (1) ATE178062T1 (da)
DE (1) DE69417326T2 (da)
DK (1) DK0645383T3 (da)
ES (1) ES2131137T3 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5750564A (en) * 1995-09-12 1998-05-12 Hellberg; Mark Anti-oxidant esters of non-steroidal anti-inflammatory agents
CA2243363C (en) * 1997-07-17 2002-01-29 Kuraray Co., Ltd. Process for producing chromans
EP0916665A1 (de) * 1997-11-11 1999-05-19 Lonza A.G. Verfahren zur Herstellung von Chromanderivaten
KR100567183B1 (ko) * 1997-11-14 2006-06-13 론자 아게 포르밀이미다졸의제조방법
JP2002226473A (ja) * 2000-08-29 2002-08-14 Kuraray Co Ltd クロマンカルボン酸の製造方法
CZ20013076A3 (cs) 2000-08-29 2002-04-17 Kuraray Co., Ltd. Způsob výroby chromankarboxylové kyseliny
WO2005035490A2 (en) * 2003-10-10 2005-04-21 Yasoo Health, Inc. PROCESS FOR SYNTHESIZING d-TOCOTRIENOLS
JP4904816B2 (ja) * 2004-01-30 2012-03-28 三菱瓦斯化学株式会社 クロマン化合物の製造方法
EP2088144B1 (en) 2006-10-26 2011-12-28 Mitsubishi Gas Chemical Company, Inc. Method of producing s-(-)-6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3010504A1 (de) * 1980-03-19 1981-10-01 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von 2-hydroxyalkylchromanen
JPS6092283A (ja) * 1983-10-27 1985-05-23 Nippon Oil Co Ltd クロマン化合物の選択的合成法

Also Published As

Publication number Publication date
KR950008503A (ko) 1995-04-17
JPH0797380A (ja) 1995-04-11
ATE178062T1 (de) 1999-04-15
EP0645383A1 (en) 1995-03-29
US5495026A (en) 1996-02-27
ES2131137T3 (es) 1999-07-16
DE69417326T2 (de) 1999-09-09
EP0645383B1 (en) 1999-03-24
DE69417326D1 (de) 1999-04-29
JP3400039B2 (ja) 2003-04-28
KR970005535B1 (ko) 1997-04-17

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