DE2129651C3 - Verfahren zur Herstellung von 6,6Äthylendioxyheptan-2-on - Google Patents

Verfahren zur Herstellung von 6,6Äthylendioxyheptan-2-on

Info

Publication number
DE2129651C3
DE2129651C3 DE2129651A DE2129651A DE2129651C3 DE 2129651 C3 DE2129651 C3 DE 2129651C3 DE 2129651 A DE2129651 A DE 2129651A DE 2129651 A DE2129651 A DE 2129651A DE 2129651 C3 DE2129651 C3 DE 2129651C3
Authority
DE
Germany
Prior art keywords
extraction
ethylenedioxyheptan
sodium bisulfite
aqueous
toluene
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
DE2129651A
Other languages
German (de)
English (en)
Other versions
DE2129651B2 (de
DE2129651A1 (de
Inventor
Pius Anton North Caldwell N.J. Wehrli (V.St.A.)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of DE2129651A1 publication Critical patent/DE2129651A1/de
Publication of DE2129651B2 publication Critical patent/DE2129651B2/de
Application granted granted Critical
Publication of DE2129651C3 publication Critical patent/DE2129651C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/26—Radicals substituted by doubly bound oxygen or sulfur atoms or by two such atoms singly bound to the same carbon atom
    • 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
    • C07C45/72—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 by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/75—Reactions with formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/12—Ketones containing more than one keto group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2129651A 1970-07-08 1971-06-15 Verfahren zur Herstellung von 6,6Äthylendioxyheptan-2-on Expired DE2129651C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5328170A 1970-07-08 1970-07-08

Publications (3)

Publication Number Publication Date
DE2129651A1 DE2129651A1 (de) 1972-01-13
DE2129651B2 DE2129651B2 (de) 1980-02-28
DE2129651C3 true DE2129651C3 (de) 1980-10-16

Family

ID=21983122

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2129651A Expired DE2129651C3 (de) 1970-07-08 1971-06-15 Verfahren zur Herstellung von 6,6Äthylendioxyheptan-2-on

Country Status (8)

Country Link
US (1) US3767677A (OSRAM)
JP (1) JPS5427341B1 (OSRAM)
CH (1) CH552584A (OSRAM)
DE (1) DE2129651C3 (OSRAM)
FR (1) FR2100404A5 (OSRAM)
GB (1) GB1312193A (OSRAM)
IL (1) IL36828A (OSRAM)
NL (1) NL167695C (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972898A (en) * 1975-03-20 1976-08-03 Hoffmann-La Roche Inc. Process for the preparation of 6,6-alkylenedioxyalkan-2-ones
US4113740A (en) * 1977-05-17 1978-09-12 Hoffmann-La Roche Inc. Synthesis of optically active vitamin E

Also Published As

Publication number Publication date
FR2100404A5 (OSRAM) 1972-03-17
US3767677A (en) 1973-10-23
NL167695C (nl) 1982-01-18
NL7106810A (OSRAM) 1972-01-11
DE2129651B2 (de) 1980-02-28
NL167695B (nl) 1981-08-17
DE2129651A1 (de) 1972-01-13
JPS5427341B1 (OSRAM) 1979-09-10
CH552584A (de) 1974-08-15
IL36828A (en) 1973-10-25
IL36828A0 (en) 1971-07-28
GB1312193A (en) 1973-04-04

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee