DK33187D0 - BICYCLIC RELATIONS - Google Patents

BICYCLIC RELATIONS

Info

Publication number
DK33187D0
DK33187D0 DK033187A DK33187A DK33187D0 DK 33187 D0 DK33187 D0 DK 33187D0 DK 033187 A DK033187 A DK 033187A DK 33187 A DK33187 A DK 33187A DK 33187 D0 DK33187 D0 DK 33187D0
Authority
DK
Denmark
Prior art keywords
formula see
see diagramm
hydrogenolysis
cleavable
degrees
Prior art date
Application number
DK033187A
Other languages
Danish (da)
Other versions
DK33187A (en
Inventor
Noal Cohen
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 DK33187D0 publication Critical patent/DK33187D0/en
Publication of DK33187A publication Critical patent/DK33187A/en

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
    • 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
    • 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
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1. Claims for the Contracting States BE, CH, DE, FR, GB, IT, LI, NL Compounds of the formula see diagramm : EP0235510,P14,F1 wherein X represents halogen and R**1 represents methyl or a hydroxy protecting group which is cleavable by basic hydrolysis or hydrogenolysis. 1. Claims for the Contracting State AT A process tor the production of compounds of the formula see diagramm : EP0235510,P16,F4 wherein X represents halogen and R**1 represents methyl or a hydroxy protecting group which is cleavable by basic hydrolysis or hydrogenolysis, characterized by reacting a compound of the formula see diagramm : EP0235510,P17,F1 wherein R**1 has the above significance and R**4 represents hydrogen or lower alkyl, with a hydrohalic acid, preferably in an inert organic solvent, preferably at temperatures of -30 degrees C to +30 degrees C.
DK033187A 1986-01-23 1987-01-21 BICYCLIC RELATIONS DK33187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82159086A 1986-01-23 1986-01-23

Publications (2)

Publication Number Publication Date
DK33187D0 true DK33187D0 (en) 1987-01-21
DK33187A DK33187A (en) 1987-07-24

Family

ID=25233775

Family Applications (1)

Application Number Title Priority Date Filing Date
DK033187A DK33187A (en) 1986-01-23 1987-01-21 BICYCLIC RELATIONS

Country Status (5)

Country Link
EP (1) EP0235510B1 (en)
JP (1) JPS62178581A (en)
AT (1) ATE41151T1 (en)
DE (1) DE3760058D1 (en)
DK (1) DK33187A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012503023A (en) * 2008-09-22 2012-02-02 ザ プロクター アンド ギャンブル カンパニー Certain polybranched polyaldehydes, polyalcohols, and surfactants, and consumer products based thereon

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB949715A (en) * 1961-04-12 1964-02-19 Vitamins Ltd Improvements in or relating to chromanols
ZA739471B (en) * 1972-12-22 1974-08-28 Hoffmann La Roche Chromane derivatives
DE3309158A1 (en) * 1983-03-15 1984-09-20 Basf Ag, 6700 Ludwigshafen IMPROVED METHOD FOR PRODUCING (ALPHA) -TOCOPHEROL

Also Published As

Publication number Publication date
DK33187A (en) 1987-07-24
EP0235510A3 (en) 1987-09-16
JPS62178581A (en) 1987-08-05
ATE41151T1 (en) 1989-03-15
EP0235510B1 (en) 1989-03-08
DE3760058D1 (en) 1989-04-13
EP0235510A2 (en) 1987-09-09

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment