FR2272067B1 - - Google Patents

Info

Publication number
FR2272067B1
FR2272067B1 FR7441873A FR7441873A FR2272067B1 FR 2272067 B1 FR2272067 B1 FR 2272067B1 FR 7441873 A FR7441873 A FR 7441873A FR 7441873 A FR7441873 A FR 7441873A FR 2272067 B1 FR2272067 B1 FR 2272067B1
Authority
FR
France
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
FR7441873A
Other versions
FR2272067A1 (fr
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.)
El Paso Products Co
Original Assignee
El Paso Products Co
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 El Paso Products Co filed Critical El Paso Products Co
Publication of FR2272067A1 publication Critical patent/FR2272067A1/fr
Application granted granted Critical
Publication of FR2272067B1 publication Critical patent/FR2272067B1/fr
Expired legal-status Critical Current

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)
FR7441873A 1973-12-19 1974-12-18 Expired FR2272067B1 (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 (2)

Publication Number Publication Date
FR2272067A1 FR2272067A1 (fr) 1975-12-19
FR2272067B1 true FR2272067B1 (fr) 1978-07-13

Family

ID=23688955

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7441873A Expired FR2272067B1 (fr) 1973-12-19 1974-12-18
FR7516518A Expired FR2264800B1 (fr) 1973-12-19 1975-05-27

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7516518A Expired FR2264800B1 (fr) 1973-12-19 1975-05-27

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
BE823572A (fr) 1975-04-16
NL7416496A (nl) 1975-06-23
CH608482A5 (fr) 1979-01-15
US3922296A (en) 1975-11-25
FR2264800B1 (fr) 1979-06-08
FR2264800A1 (fr) 1975-10-17
GB1429287A (en) 1976-03-24
CA1056848A (fr) 1979-06-19
FR2272067A1 (fr) 1975-12-19
JPS5093948A (fr) 1975-07-26
DE2458209A1 (de) 1975-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse