BE823572A - Nouveau procede de preparation de diones et de leurs intermediaires - Google Patents

Nouveau procede de preparation de diones et de leurs intermediaires

Info

Publication number
BE823572A
BE823572A BE151694A BE151694A BE823572A BE 823572 A BE823572 A BE 823572A BE 151694 A BE151694 A BE 151694A BE 151694 A BE151694 A BE 151694A BE 823572 A BE823572 A BE 823572A
Authority
BE
Belgium
Prior art keywords
diones
intermediaries
preparing
new process
new
Prior art date
Application number
BE151694A
Other languages
English (en)
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 filed Critical
Publication of BE823572A publication Critical patent/BE823572A/fr

Links

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
    • C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
    • C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring
    • 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
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/513—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/385—Saturated compounds containing a keto group being part of a ring
    • C07C49/395—Saturated compounds containing a keto group being part of a ring of a five-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fats And Perfumes (AREA)
BE151694A 1973-12-19 1974-12-19 Nouveau procede de preparation de diones et de leurs intermediaires BE823572A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426021A US3922296A (en) 1973-12-19 1973-12-19 Novel process for the preparation of cyclopentane-1, 2-diones and intermediates therefor

Publications (1)

Publication Number Publication Date
BE823572A true BE823572A (fr) 1975-04-16

Family

ID=23688955

Family Applications (1)

Application Number Title Priority Date Filing Date
BE151694A BE823572A (fr) 1973-12-19 1974-12-19 Nouveau procede de preparation de diones et de leurs intermediaires

Country Status (9)

Country Link
US (1) US3922296A (fr)
JP (1) JPS5093948A (fr)
BE (1) BE823572A (fr)
CA (1) CA1056848A (fr)
CH (1) CH608482A5 (fr)
DE (1) DE2458209A1 (fr)
FR (2) FR2272067B1 (fr)
GB (1) GB1429287A (fr)
NL (1) NL7416496A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198245A (ja) * 1975-02-24 1976-08-30 Shikuropentenonjudotaino seizohoho
US4168280A (en) * 1978-05-19 1979-09-18 El Paso Products Company Method for synthesis of 2-hydroxy-3-methyl cyclopent-2-ene-1-one
JPH02221241A (ja) * 1989-01-06 1990-09-04 Lonza Ag １，３―シクロペンタンジオンの製造方法
US5856582A (en) * 1997-09-26 1999-01-05 Crum; Glen Francis Process for the manufacture of 2-hydroxy-3-methylcyclopent-2-ene-1-one

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652043A (en) * 1969-12-31 1972-03-28 Singer General Precision Lead screw coupling

Also Published As

Publication number Publication date
CA1056848A (fr) 1979-06-19
DE2458209A1 (de) 1975-07-03
NL7416496A (nl) 1975-06-23
US3922296A (en) 1975-11-25
FR2264800A1 (fr) 1975-10-17
GB1429287A (en) 1976-03-24
JPS5093948A (fr) 1975-07-26
FR2272067A1 (fr) 1975-12-19
FR2272067B1 (fr) 1978-07-13
CH608482A5 (fr) 1979-01-15
FR2264800B1 (fr) 1979-06-08

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