CH552581A - Procede de preparation de nouveaux acides chromone-2carboxyliques. - Google Patents

Procede de preparation de nouveaux acides chromone-2carboxyliques.

Info

Publication number
CH552581A
CH552581A CH595871A CH595871A CH552581A CH 552581 A CH552581 A CH 552581A CH 595871 A CH595871 A CH 595871A CH 595871 A CH595871 A CH 595871A CH 552581 A CH552581 A CH 552581A
Authority
CH
Switzerland
Prior art keywords
acids
preparation
new chromone
chromone
new
Prior art date
Application number
CH595871A
Other languages
English (en)
Original Assignee
Fisons 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 Fisons Ltd filed Critical Fisons Ltd
Publication of CH552581A publication Critical patent/CH552581A/fr

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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/76—Unsaturated compounds containing keto groups
    • C07C59/90—Unsaturated compounds containing keto groups containing singly bound oxygen-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH595871A 1970-04-25 1971-04-23 Procede de preparation de nouveaux acides chromone-2carboxyliques. CH552581A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2000270 1970-04-25

Publications (1)

Publication Number Publication Date
CH552581A true CH552581A (fr) 1974-08-15

Family

ID=10138712

Family Applications (5)

Application Number Title Priority Date Filing Date
CH727973A CH559202A5 (fr) 1970-04-25 1971-04-23
CH595871A CH552581A (fr) 1970-04-25 1971-04-23 Procede de preparation de nouveaux acides chromone-2carboxyliques.
CH728073A CH559203A5 (fr) 1970-04-25 1971-04-23
CH727873A CH562238A5 (fr) 1970-04-25 1971-04-23
CH1453674A CH562239A5 (fr) 1970-04-25 1971-04-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH727973A CH559202A5 (fr) 1970-04-25 1971-04-23

Family Applications After (3)

Application Number Title Priority Date Filing Date
CH728073A CH559203A5 (fr) 1970-04-25 1971-04-23
CH727873A CH562238A5 (fr) 1970-04-25 1971-04-23
CH1453674A CH562239A5 (fr) 1970-04-25 1971-04-23

Country Status (6)

Country Link
CH (5) CH559202A5 (fr)
DE (1) DE2120443A1 (fr)
FR (1) FR2092089B1 (fr)
GB (1) GB1326745A (fr)
IL (1) IL36572A0 (fr)
NL (1) NL7105580A (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1144905A (en) * 1965-03-25 1969-03-12 Fisons Pharmaceuticals Ltd Substituted bis-(2-carboxy-chromonyl-oxy) derivatives and preparation and pharmaceutical compositions thereof
GB1204122A (en) * 1966-09-19 1970-09-03 Fisons Pharmaceuticals Ltd Novel bis-phenyl derivatives and the preparation thereof

Also Published As

Publication number Publication date
GB1326745A (en) 1973-08-15
FR2092089B1 (fr) 1974-11-15
IL36572A0 (en) 1971-06-23
DE2120443A1 (de) 1971-11-11
CH559202A5 (fr) 1975-02-28
FR2092089A1 (fr) 1972-01-21
CH559203A5 (fr) 1975-02-28
CH562239A5 (fr) 1975-05-30
NL7105580A (fr) 1971-10-27
CH562238A5 (fr) 1975-05-30

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Legal Events

Date Code Title Description
PL Patent ceased