CH622764A5 - - Google Patents

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Publication number
CH622764A5
CH622764A5 CH1043577A CH1043577A CH622764A5 CH 622764 A5 CH622764 A5 CH 622764A5 CH 1043577 A CH1043577 A CH 1043577A CH 1043577 A CH1043577 A CH 1043577A CH 622764 A5 CH622764 A5 CH 622764A5
Authority
CH
Switzerland
Prior art keywords
ene
formula
pent
strong base
spiro
Prior art date
Application number
CH1043577A
Other languages
English (en)
French (fr)
Inventor
Ferdinand Naef
Rene Decorzant
Original Assignee
Firmenich & Cie
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 Firmenich & Cie filed Critical Firmenich & Cie
Priority to CH1043577A priority Critical patent/CH622764A5/fr
Priority to US05/934,828 priority patent/US4176139A/en
Priority to DE2836477A priority patent/DE2836477C2/de
Priority to GB7834250A priority patent/GB2004274B/en
Priority to GR57069A priority patent/GR72909B/el
Priority to FR7824753A priority patent/FR2401129A1/fr
Priority to NL7808791A priority patent/NL7808791A/xx
Priority to JP10376278A priority patent/JPS5444640A/ja
Publication of CH622764A5 publication Critical patent/CH622764A5/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/647—Unsaturated compounds containing a keto groups being part of a ring having unsaturation outside the ring
    • C07C49/653—Unsaturated compounds containing a keto groups being part of a ring having unsaturation outside the ring polycyclic
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Epoxy Compounds (AREA)
CH1043577A 1977-08-26 1977-08-26 CH622764A5 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH1043577A CH622764A5 (de) 1977-08-26 1977-08-26
US05/934,828 US4176139A (en) 1977-08-26 1978-08-18 Process for preparing unsaturated spiranic derivatives
DE2836477A DE2836477C2 (de) 1977-08-26 1978-08-21 Verfahren zur Herstellung von ungesättigten Spiro[2.4]-heptanonen und Spiro[2.5]octanonen
GB7834250A GB2004274B (en) 1977-08-26 1978-08-23 Process for preparing unsaturated spiranic derivatives
GR57069A GR72909B (de) 1977-08-26 1978-08-24
FR7824753A FR2401129A1 (fr) 1977-08-26 1978-08-25 Procede pour la preparation de composes spiranniques insatures utiles en parfumerie
NL7808791A NL7808791A (nl) 1977-08-26 1978-08-25 Werkwijze ter bereiding van onverzadigde spiraanderiva- ten.
JP10376278A JPS5444640A (en) 1977-08-26 1978-08-25 Manufacture of unsaturated spirooderivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1043577A CH622764A5 (de) 1977-08-26 1977-08-26

Publications (1)

Publication Number Publication Date
CH622764A5 true CH622764A5 (de) 1981-04-30

Family

ID=4363198

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1043577A CH622764A5 (de) 1977-08-26 1977-08-26

Country Status (8)

Country Link
US (1) US4176139A (de)
JP (1) JPS5444640A (de)
CH (1) CH622764A5 (de)
DE (1) DE2836477C2 (de)
FR (1) FR2401129A1 (de)
GB (1) GB2004274B (de)
GR (1) GR72909B (de)
NL (1) NL7808791A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4069667A1 (de) * 2020-03-05 2022-10-12 Firmenich SA Verfahren zur herstellung von parfümzwischenprodukten

Also Published As

Publication number Publication date
GR72909B (de) 1984-01-04
JPS5444640A (en) 1979-04-09
GB2004274B (en) 1982-02-17
US4176139A (en) 1979-11-27
FR2401129A1 (fr) 1979-03-23
NL7808791A (nl) 1979-02-28
FR2401129B1 (de) 1980-09-19
GB2004274A (en) 1979-03-28
JPS5741455B2 (de) 1982-09-03
DE2836477A1 (de) 1979-03-01
DE2836477C2 (de) 1983-06-01

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased