DK344881A - Fremgangsmaade til fremstilling af 7-acetylspiro (benzo (b) furan-2(3h),1!-cyklopropan)-3-on. - Google Patents

Fremgangsmaade til fremstilling af 7-acetylspiro (benzo (b) furan-2(3h),1!-cyklopropan)-3-on.

Info

Publication number
DK344881A
DK344881A DK344881A DK344881A DK344881A DK 344881 A DK344881 A DK 344881A DK 344881 A DK344881 A DK 344881A DK 344881 A DK344881 A DK 344881A DK 344881 A DK344881 A DK 344881A
Authority
DK
Denmark
Prior art keywords
acetylpiro
cyclopropan
furan
benzo
preparing
Prior art date
Application number
DK344881A
Other languages
English (en)
Inventor
H Sugihara
M Watanabe
M Kawada
I Imada
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
Priority claimed from JP5508279A external-priority patent/JPS55147271A/ja
Priority claimed from JP8055179A external-priority patent/JPS5931511B2/ja
Priority claimed from DK184680A external-priority patent/DK153551C/da
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to DK344881A priority Critical patent/DK344881A/da
Publication of DK344881A publication Critical patent/DK344881A/da

Links

DK344881A 1979-05-04 1981-08-03 Fremgangsmaade til fremstilling af 7-acetylspiro (benzo (b) furan-2(3h),1!-cyklopropan)-3-on. DK344881A (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK344881A DK344881A (da) 1979-05-04 1981-08-03 Fremgangsmaade til fremstilling af 7-acetylspiro (benzo (b) furan-2(3h),1!-cyklopropan)-3-on.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5508279A JPS55147271A (en) 1979-05-04 1979-05-04 Spiro compound and its preparation
JP8055179A JPS5931511B2 (ja) 1979-06-25 1979-06-25 スピロ化合物およびその製造方法
DK184680A DK153551C (da) 1979-05-04 1980-04-29 Analogifremgangsmaade til fremstilling af spirobenzofuranonforbindelser eller salte deraf med uorganiske eller organiske syrer eller alkalimetaller
DK344881A DK344881A (da) 1979-05-04 1981-08-03 Fremgangsmaade til fremstilling af 7-acetylspiro (benzo (b) furan-2(3h),1!-cyklopropan)-3-on.

Publications (1)

Publication Number Publication Date
DK344881A true DK344881A (da) 1981-08-03

Family

ID=27439511

Family Applications (1)

Application Number Title Priority Date Filing Date
DK344881A DK344881A (da) 1979-05-04 1981-08-03 Fremgangsmaade til fremstilling af 7-acetylspiro (benzo (b) furan-2(3h),1!-cyklopropan)-3-on.

Country Status (1)

Country Link
DK (1) DK344881A (da)

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