CH444882A - Process for the preparation of new chromone derivatives - Google Patents

Process for the preparation of new chromone derivatives

Info

Publication number
CH444882A
CH444882A CH314067A CH314067A CH444882A CH 444882 A CH444882 A CH 444882A CH 314067 A CH314067 A CH 314067A CH 314067 A CH314067 A CH 314067A CH 444882 A CH444882 A CH 444882A
Authority
CH
Switzerland
Prior art keywords
preparation
chromone derivatives
new chromone
new
derivatives
Prior art date
Application number
CH314067A
Other languages
French (fr)
Inventor
Fitzmaurice Colin
Cairns Hugh
Hazard Richard
King John
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
Application filed by Fisons Pharmaceuticals Ltd filed Critical Fisons Pharmaceuticals Ltd
Publication of CH444882A publication Critical patent/CH444882A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • 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
    • C07C45/63—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 introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • 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
    • C07C45/61—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
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/82—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups
    • C07C49/825—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups all hydroxy groups bound to the ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
    • 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
CH314067A 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives CH444882A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB38068/63A GB1093673A (en) 1963-09-27 1963-09-27 Novel chromone carboxylic acids
GB2519264 1964-06-18

Publications (1)

Publication Number Publication Date
CH444882A true CH444882A (en) 1967-10-15

Family

ID=26257554

Family Applications (4)

Application Number Title Priority Date Filing Date
CH313867A CH457496A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives
CH1250064A CH453383A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives
CH313967A CH457497A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives
CH314067A CH444882A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CH313867A CH457496A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives
CH1250064A CH453383A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives
CH313967A CH457497A (en) 1963-09-27 1964-09-25 Process for the preparation of new chromone derivatives

Country Status (7)

Country Link
BE (1) BE653617A (en)
CH (4) CH457496A (en)
DE (1) DE1493675A1 (en)
FR (1) FR3996M (en)
GB (1) GB1093673A (en)
IT (1) IT1056701B (en)
SE (1) SE335861B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453170A1 (en) * 1979-04-06 1980-10-31 Clin Midy 5- (2-HYDROXY-3-THIOPROPOXY) CHROMONE-2-CARBOXYLIC ACIDS AND THEIR APPLICATIONS AS MEDICAMENTS HAVING ANTIANAPHYLACTIC AND ANTIALLERGIC PROPERTIES IN PARTICULAR
ATE25251T1 (en) * 1981-11-12 1987-02-15 Fisons Plc ANTI SRS-A CARBONIC ACID DERIVATIVES, PROCESS FOR THEIR MANUFACTURE AND PHARMACEUTICAL FORMULATIONS CONTAINING THEM.

Also Published As

Publication number Publication date
SE335861B (en) 1971-06-14
BE653617A (en) 1965-03-25
FR3996M (en) 1966-03-14
CH457496A (en) 1968-06-15
GB1093673A (en) 1967-12-06
CH457497A (en) 1968-06-15
CH453383A (en) 1968-06-14
DE1493675A1 (en) 1969-10-23
IT1056701B (en) 1982-02-20

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