FR1533506A - Process for the preparation of bis-chromonyl compounds - Google Patents

Process for the preparation of bis-chromonyl compounds

Info

Publication number
FR1533506A
FR1533506A FR112960A FR112960A FR1533506A FR 1533506 A FR1533506 A FR 1533506A FR 112960 A FR112960 A FR 112960A FR 112960 A FR112960 A FR 112960A FR 1533506 A FR1533506 A FR 1533506A
Authority
FR
France
Prior art keywords
bis
preparation
chromonyl compounds
chromonyl
compounds
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
FR112960A
Other languages
French (fr)
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 Pharmaceuticals Ltd
Original Assignee
Fisons Pharmaceuticals 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
Priority claimed from GB31667/66A external-priority patent/GB1190193A/en
Application filed by Fisons Pharmaceuticals Ltd filed Critical Fisons Pharmaceuticals Ltd
Priority to FR112960A priority Critical patent/FR1533506A/en
Application granted granted Critical
Publication of FR1533506A publication Critical patent/FR1533506A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy 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
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • 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
FR112960A 1966-07-05 1967-07-04 Process for the preparation of bis-chromonyl compounds Expired FR1533506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR112960A FR1533506A (en) 1966-07-05 1967-07-04 Process for the preparation of bis-chromonyl compounds

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB31667/66A GB1190193A (en) 1966-07-05 1966-07-05 Bis-(2-Carboxy-Chromonyl-Oxy) Derivatives, their preparation, and Pharmaceutical Compositions thereof
GB5221869 1966-07-05
GB3014966 1966-07-05
US65062767A 1967-07-03 1967-07-03
FR112960A FR1533506A (en) 1966-07-05 1967-07-04 Process for the preparation of bis-chromonyl compounds
US4792370A 1970-05-07 1970-05-07

Publications (1)

Publication Number Publication Date
FR1533506A true FR1533506A (en) 1968-07-19

Family

ID=27546098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR112960A Expired FR1533506A (en) 1966-07-05 1967-07-04 Process for the preparation of bis-chromonyl compounds

Country Status (1)

Country Link
FR (1) FR1533506A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2030238A1 (en) * 1969-02-01 1970-11-13 Fisons Pharmaceuticals Ltd
FR2051548A1 (en) * 1969-05-20 1971-04-09 Fisons Pharmaceuticals Ltd
JPS5526140B1 (en) * 1970-01-21 1980-07-11

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2030238A1 (en) * 1969-02-01 1970-11-13 Fisons Pharmaceuticals Ltd
FR2051548A1 (en) * 1969-05-20 1971-04-09 Fisons Pharmaceuticals Ltd
JPS5526140B1 (en) * 1970-01-21 1980-07-11

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