SE373363B - Forfarande for framstellning av kromon-2-karbonsyror och derivat derav - Google Patents

Forfarande for framstellning av kromon-2-karbonsyror och derivat derav

Info

Publication number
SE373363B
SE373363B SE507670A SE507670A SE373363B SE 373363 B SE373363 B SE 373363B SE 507670 A SE507670 A SE 507670A SE 507670 A SE507670 A SE 507670A SE 373363 B SE373363 B SE 373363B
Authority
SE
Sweden
Prior art keywords
chromon
derivatives
procedure
preparation
carbonic acids
Prior art date
Application number
SE507670A
Other languages
English (en)
Swedish (sv)
Inventor
J King
T B Lee
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 SE373363B publication Critical patent/SE373363B/xx

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
    • C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/34—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 3 only
    • C07D311/36—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 3 only not hydrogenated in the hetero ring, e.g. isoflavones
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SE507670A 1969-04-15 1970-04-14 Forfarande for framstellning av kromon-2-karbonsyror och derivat derav SE373363B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1914169 1969-04-15

Publications (1)

Publication Number Publication Date
SE373363B true SE373363B (sv) 1975-02-03

Family

ID=10124435

Family Applications (1)

Application Number Title Priority Date Filing Date
SE507670A SE373363B (sv) 1969-04-15 1970-04-14 Forfarande for framstellning av kromon-2-karbonsyror och derivat derav

Country Status (5)

Country Link
CH (1) CH529747A (fr)
DK (1) DK125920B (fr)
GB (1) GB1297264A (fr)
NL (1) NL7005172A (fr)
SE (1) SE373363B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003119344A (ja) 2001-10-12 2003-04-23 Shin Etsu Chem Co Ltd ハイブリッド化合物、レジスト材料及びパターン形成方法
US8088935B2 (en) 2003-12-23 2012-01-03 Ironwood Pharmaceuticals, Inc. Compounds and methods for the treatment of asthma

Also Published As

Publication number Publication date
CH529747A (fr) 1972-10-31
DK125920B (da) 1973-05-21
NL7005172A (fr) 1970-10-19
GB1297264A (fr) 1972-11-22

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