AU539779B2 - Spirobenzofuranones - Google Patents

Spirobenzofuranones

Info

Publication number
AU539779B2
AU539779B2 AU74350/81A AU7435081A AU539779B2 AU 539779 B2 AU539779 B2 AU 539779B2 AU 74350/81 A AU74350/81 A AU 74350/81A AU 7435081 A AU7435081 A AU 7435081A AU 539779 B2 AU539779 B2 AU 539779B2
Authority
AU
Australia
Prior art keywords
spirobenzofuranones
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.)
Ceased
Application number
AU74350/81A
Other versions
AU7435081A (en
Inventor
Isuke Imada
Mitsuru Kawada
Hirosada Sugihara
Masazumi Watanabe
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to AU74350/81A priority Critical patent/AU539779B2/en
Publication of AU7435081A publication Critical patent/AU7435081A/en
Application granted granted Critical
Publication of AU539779B2 publication Critical patent/AU539779B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or 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 to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/94—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom spiro-condensed with carbocyclic rings or ring systems, e.g. griseofulvins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
AU74350/81A 1981-08-19 1981-08-19 Spirobenzofuranones Ceased AU539779B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU74350/81A AU539779B2 (en) 1981-08-19 1981-08-19 Spirobenzofuranones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU74350/81A AU539779B2 (en) 1981-08-19 1981-08-19 Spirobenzofuranones

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU57903/80A Addition AU534940B2 (en) 1979-05-04 1980-04-30 Spirobenzofuranones

Publications (2)

Publication Number Publication Date
AU7435081A AU7435081A (en) 1982-01-14
AU539779B2 true AU539779B2 (en) 1984-10-18

Family

ID=3756258

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74350/81A Ceased AU539779B2 (en) 1981-08-19 1981-08-19 Spirobenzofuranones

Country Status (1)

Country Link
AU (1) AU539779B2 (en)

Also Published As

Publication number Publication date
AU7435081A (en) 1982-01-14

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