GB1326745A - Chromone-2-carboxylic acid derivatives - Google Patents

Chromone-2-carboxylic acid derivatives

Info

Publication number
GB1326745A
GB1326745A GB2000270A GB1326745DA GB1326745A GB 1326745 A GB1326745 A GB 1326745A GB 2000270 A GB2000270 A GB 2000270A GB 1326745D A GB1326745D A GB 1326745DA GB 1326745 A GB1326745 A GB 1326745A
Authority
GB
United Kingdom
Prior art keywords
compound
formula
group
acetyl
alkyl
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.)
Expired
Application number
GB2000270A
Other languages
English (en)
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.)
Fisons Ltd
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 GB1326745A publication Critical patent/GB1326745A/en
Expired 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
    • C07D311/22—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)
GB2000270A 1970-04-25 1970-04-25 Chromone-2-carboxylic acid derivatives Expired GB1326745A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1326745A true GB1326745A (en) 1973-08-15

Family

ID=10138712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2000270A Expired GB1326745A (en) 1970-04-25 1970-04-25 Chromone-2-carboxylic acid derivatives

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
FR2092089B1 (fr) 1974-11-15
CH552581A (fr) 1974-08-15
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
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees