CH624918A5 - - Google Patents

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Publication number
CH624918A5
CH624918A5 CH141376A CH141376A CH624918A5 CH 624918 A5 CH624918 A5 CH 624918A5 CH 141376 A CH141376 A CH 141376A CH 141376 A CH141376 A CH 141376A CH 624918 A5 CH624918 A5 CH 624918A5
Authority
CH
Switzerland
Prior art keywords
formula
acids
pyran
dihydro
trimethyl
Prior art date
Application number
CH141376A
Other languages
German (de)
English (en)
Inventor
Werner Dr Hoffmann
Manfred Dr Baumann
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of CH624918A5 publication Critical patent/CH624918A5/de

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/16—Heterocyclic compounds containing six-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
    • C07D309/28—Heterocyclic compounds containing six-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
    • C07D309/30—Oxygen atoms, e.g. delta-lactones
    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
    • 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
    • C07C45/65—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • C07C45/66—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH141376A 1975-02-06 1976-02-05 CH624918A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2504930A DE2504930C2 (de) 1975-02-06 1975-02-06 Verfahren zur Herstellung von 2,6,6- Trimethyl-cyclohex-2-en-1-on

Publications (1)

Publication Number Publication Date
CH624918A5 true CH624918A5 (fr) 1981-08-31

Family

ID=5938217

Family Applications (1)

Application Number Title Priority Date Filing Date
CH141376A CH624918A5 (fr) 1975-02-06 1976-02-05

Country Status (5)

Country Link
US (1) US4021491A (fr)
CH (1) CH624918A5 (fr)
DE (1) DE2504930C2 (fr)
FR (1) FR2300064A1 (fr)
GB (1) GB1527281A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH640496A5 (fr) * 1979-10-24 1984-01-13 Firmenich & Cie Procede pour la preparation de beta-damascenone.
US20090193863A1 (en) * 2008-02-05 2009-08-06 The United States Of America, As Represented By The Secretary Of Agriculture Process for Removing and Recovering Phosphorus from Animal Waste

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857892A (en) * 1969-03-07 1974-12-31 Hoffmann La Roche Process for the preparation of 2,5,6-tri-lower-alkyl-2-cyclohexenones
DE1924844A1 (de) * 1969-05-16 1970-11-19 Basf Ag Verfahren zur Herstellung von Trimethyl-2-cyclohexen-1-onen
DE1924843A1 (de) * 1969-05-16 1970-11-19 Basf Ag Verfahren zur Herstellung von Trimethyl-2-cyclohexen-l-onen
CH545781A (fr) * 1970-02-21 1974-02-15
US3812190A (en) * 1970-03-02 1974-05-21 Monsanto Co Conversion of acrolein dimer to cyclopentanone
DE2261751C3 (de) * 1972-12-16 1981-12-24 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Cyclohexandionen-(1,3)

Also Published As

Publication number Publication date
DE2504930A1 (de) 1976-08-19
FR2300064A1 (fr) 1976-09-03
US4021491A (en) 1977-05-03
FR2300064B1 (fr) 1981-01-16
GB1527281A (en) 1978-10-04
DE2504930C2 (de) 1983-02-10

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Legal Events

Date Code Title Description
PL Patent ceased