CA978196A - Method for the preparation of derivatives of 5-hydroxy-2-carboxychromone - Google Patents

Method for the preparation of derivatives of 5-hydroxy-2-carboxychromone

Info

Publication number
CA978196A
CA978196A CA144,061A CA144061A CA978196A CA 978196 A CA978196 A CA 978196A CA 144061 A CA144061 A CA 144061A CA 978196 A CA978196 A CA 978196A
Authority
CA
Canada
Prior art keywords
carboxychromone
hydroxy
derivatives
preparation
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
CA144,061A
Other languages
English (en)
Other versions
CA144061S (en
Inventor
Giorgio Pifferi
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.)
ISF SpA
Original Assignee
ISF SpA
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 ISF SpA filed Critical ISF SpA
Application granted granted Critical
Publication of CA978196A publication Critical patent/CA978196A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA144,061A 1971-07-02 1972-06-06 Method for the preparation of derivatives of 5-hydroxy-2-carboxychromone Expired CA978196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26560/71A IT1050358B (it) 1971-07-02 1971-07-02 Procedimento per la preparazione di derivati del 5 idrossi 2 carrossi cromone

Publications (1)

Publication Number Publication Date
CA978196A true CA978196A (en) 1975-11-18

Family

ID=11219776

Family Applications (1)

Application Number Title Priority Date Filing Date
CA144,061A Expired CA978196A (en) 1971-07-02 1972-06-06 Method for the preparation of derivatives of 5-hydroxy-2-carboxychromone

Country Status (8)

Country Link
US (1) US3843687A (it)
JP (1) JPS4938276B1 (it)
AU (1) AU5969373A (it)
BR (1) BR7204230D0 (it)
CA (1) CA978196A (it)
DE (1) DE2226825A1 (it)
GB (1) GB1363747A (it)
IT (1) IT1050358B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067992A (en) * 1975-09-10 1978-01-10 Fisons Limited Method of treating a psychiatric condition
US4145438A (en) * 1975-09-10 1979-03-20 Fisons Limited Method for treatment of eczema or psoriasis
JP4485361B2 (ja) * 2002-08-07 2010-06-23 ザ ペン ステイト リサーチ ファンデーション ワークピースを製造用固定具に対して結合及び分離させる装置及び方法

Also Published As

Publication number Publication date
US3843687A (en) 1974-10-22
IT1050358B (it) 1981-03-10
DE2226825A1 (de) 1973-01-18
BR7204230D0 (pt) 1973-06-14
AU5969373A (en) 1975-03-06
GB1363747A (en) 1974-08-14
JPS4938276B1 (it) 1974-10-16

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