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IE800250L - Xanthone derivatives - Google Patents

Xanthone derivatives

Info

Publication number
IE800250L
IE800250L IE800250A IE25080A IE800250L IE 800250 L IE800250 L IE 800250L IE 800250 A IE800250 A IE 800250A IE 25080 A IE25080 A IE 25080A IE 800250 L IE800250 L IE 800250L
Authority
IE
Ireland
Prior art keywords
formula
compounds
carbon atoms
image
alkyl radical
Prior art date
Application number
IE800250A
Other versions
IE49389B1 (en
Original Assignee
Roussel Uclaf
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 Roussel Uclaf filed Critical Roussel Uclaf
Publication of IE800250L publication Critical patent/IE800250L/en
Publication of IE49389B1 publication Critical patent/IE49389B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • 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
    • C07D311/78Ring systems having three or more relevant rings
    • C07D311/80Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82Xanthenes
    • C07D311/84Xanthenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9
    • C07D311/86Oxygen atoms, e.g. xanthones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

A process for the preparation of compounds of general formula I, <IMAGE> (wherein R represents a hydrogen atom or an alkyl radical containing from 1 to 9 carbon atoms and R1 represents an alkyl radical containing from 1 to 5 carbon atoms) which comprises cyclising a compound of formula II, <IMAGE> (wherein R and R1 are as defined above, Ar represents an aryl group and R2 and R3, which may be the same or different, each represents an esterifying group) followed if required, by hydrolysis to the free acid of formula I. The compounds of general formula I possess interesting anti-allergic activity. [EP0016665A1]
IE250/80A 1979-02-09 1980-02-08 Process for the preparation of xanthone derivatives IE49389B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7904649 1979-02-09

Publications (2)

Publication Number Publication Date
IE800250L true IE800250L (en) 1980-08-09
IE49389B1 IE49389B1 (en) 1985-10-02

Family

ID=10503083

Family Applications (1)

Application Number Title Priority Date Filing Date
IE250/80A IE49389B1 (en) 1979-02-09 1980-02-08 Process for the preparation of xanthone derivatives

Country Status (15)

Country Link
EP (1) EP0016665B1 (en)
JP (1) JPS55108867A (en)
AT (1) ATE967T1 (en)
AU (1) AU531013B2 (en)
CA (1) CA1146571A (en)
DE (1) DE3060348D1 (en)
DK (1) DK145948C (en)
ES (1) ES8102115A1 (en)
FI (1) FI800392A7 (en)
GB (1) GB2042540B (en)
HU (1) HU180552B (en)
IE (1) IE49389B1 (en)
IL (1) IL59046A (en)
PT (1) PT70795B (en)
ZA (1) ZA80141B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL47519A (en) * 1974-07-09 1979-03-12 Roussel Uclaf 7-sulphinimidoyl(sulphimidoyl)-xanthone-2-carboxylic acid derivatives, their preparation and pharmaceutical compositions containing them
JPS5850225B2 (en) * 1976-01-01 1983-11-09 ルセル・ユクラフ Novel xanthones, their salts and esters, and pharmaceuticals comprising these compounds
SE445346B (en) * 1978-03-03 1986-06-16 Roussel Uclaf SET TO PREPARE 7-SULPHONIMIDOYL-XANTON-2-CARBOXYLIC ACID DERIVATIVE

Also Published As

Publication number Publication date
ATE967T1 (en) 1982-05-15
DK145948C (en) 1983-09-26
EP0016665A1 (en) 1980-10-01
DE3060348D1 (en) 1982-06-24
CA1146571A (en) 1983-05-17
GB2042540B (en) 1982-11-24
ES488385A0 (en) 1980-12-16
PT70795B (en) 1981-06-11
GB2042540A (en) 1980-09-24
AU5535080A (en) 1980-08-14
IE49389B1 (en) 1985-10-02
IL59046A (en) 1985-03-31
ZA80141B (en) 1981-02-25
ES8102115A1 (en) 1980-12-16
FI800392A7 (en) 1981-08-10
AU531013B2 (en) 1983-08-04
PT70795A (en) 1980-03-01
EP0016665B1 (en) 1982-05-05
JPS55108867A (en) 1980-08-21
DK145948B (en) 1983-04-25
JPH0144710B2 (en) 1989-09-29
HU180552B (en) 1983-03-28
IL59046A0 (en) 1980-03-31
DK54180A (en) 1980-08-10

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