CA2089012A1 - Process for the preparation of 6-hydroxy-2,5,7,8-tetra- alkyl-2-(4-aminophenoxymethyl) chromans - Google Patents

Process for the preparation of 6-hydroxy-2,5,7,8-tetra- alkyl-2-(4-aminophenoxymethyl) chromans

Info

Publication number
CA2089012A1
CA2089012A1 CA002089012A CA2089012A CA2089012A1 CA 2089012 A1 CA2089012 A1 CA 2089012A1 CA 002089012 A CA002089012 A CA 002089012A CA 2089012 A CA2089012 A CA 2089012A CA 2089012 A1 CA2089012 A1 CA 2089012A1
Authority
CA
Canada
Prior art keywords
range
catalyst
temperature
zirconium oxide
bar
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.)
Abandoned
Application number
CA002089012A
Other languages
English (en)
French (fr)
Inventor
Josef Heveling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lonza AG
Sankyo Co Ltd
Original Assignee
Lonza AG
Sankyo Co Ltd
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 Lonza AG, Sankyo Co Ltd filed Critical Lonza AG
Publication of CA2089012A1 publication Critical patent/CA2089012A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
CA002089012A 1992-02-21 1993-02-08 Process for the preparation of 6-hydroxy-2,5,7,8-tetra- alkyl-2-(4-aminophenoxymethyl) chromans Abandoned CA2089012A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH532/92 1992-02-21
CH53292 1992-02-21

Publications (1)

Publication Number Publication Date
CA2089012A1 true CA2089012A1 (en) 1993-08-22

Family

ID=4189171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002089012A Abandoned CA2089012A1 (en) 1992-02-21 1993-02-08 Process for the preparation of 6-hydroxy-2,5,7,8-tetra- alkyl-2-(4-aminophenoxymethyl) chromans

Country Status (11)

Country Link
US (1) US5310952A (OSRAM)
EP (1) EP0556830B1 (OSRAM)
JP (1) JPH05255301A (OSRAM)
KR (1) KR930017889A (OSRAM)
AT (1) ATE137232T1 (OSRAM)
CA (1) CA2089012A1 (OSRAM)
DE (1) DE59302306D1 (OSRAM)
DK (1) DK0556830T3 (OSRAM)
ES (1) ES2086800T3 (OSRAM)
GR (1) GR3019766T3 (OSRAM)
TW (1) TW223070B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457124A (en) * 1993-12-07 1995-10-10 Hoffmann-La Roche Inc. Carboxylic acid Leukotriene B4 antagonists
WO2000008009A1 (en) * 1998-08-04 2000-02-17 Sankyo Company, Limited Process for the preparation of 2-(aminophenoxymethyl) chromans
US7608395B2 (en) * 2005-09-15 2009-10-27 Baylor Research Institute Systemic lupus erythematosus diagnostic assay
KR100784850B1 (ko) * 2006-10-19 2007-12-14 충북대학교 산학협력단 크로만-2-카복실산 아릴아마이드 유도체, 그 제조방법 및이를 포함하는 ＮＦ-κＢ 저해제
US8093253B2 (en) * 2008-03-06 2012-01-10 Hoffmann-La Roche Inc. Leukotriene B4 inhibitors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051189A (ja) * 1983-08-30 1985-03-22 Sankyo Co Ltd チアゾリジン誘導体およびその製造法
DK173350B1 (da) * 1985-02-26 2000-08-07 Sankyo Co Thiazolidinderivater, deres fremstilling og farmaceutisk paæparat indeholdende dem
DK0395912T3 (da) * 1989-05-02 1993-12-06 Lonza Ag Sintringsdygtigt zirconiumoxidpulver og fremgangsmåde til dets fremstilling

Also Published As

Publication number Publication date
ATE137232T1 (de) 1996-05-15
EP0556830A1 (de) 1993-08-25
US5310952A (en) 1994-05-10
GR3019766T3 (en) 1996-07-31
JPH05255301A (ja) 1993-10-05
DK0556830T3 (da) 1996-05-13
DE59302306D1 (de) 1996-05-30
KR930017889A (ko) 1993-09-20
EP0556830B1 (de) 1996-04-24
ES2086800T3 (es) 1996-07-01
TW223070B (OSRAM) 1994-05-01

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Legal Events

Date Code Title Description
FZDE Discontinued