FR1404429A - New process for the preparation of alkyl cyclopentane diones and intermediates obtained in this process - Google Patents

New process for the preparation of alkyl cyclopentane diones and intermediates obtained in this process

Info

Publication number
FR1404429A
FR1404429A FR957944A FR957944A FR1404429A FR 1404429 A FR1404429 A FR 1404429A FR 957944 A FR957944 A FR 957944A FR 957944 A FR957944 A FR 957944A FR 1404429 A FR1404429 A FR 1404429A
Authority
FR
France
Prior art keywords
diones
preparation
intermediates obtained
alkyl cyclopentane
new process
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
FR957944A
Other languages
French (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.)
Sanofi Aventis France
Original Assignee
Roussel Uclaf SA
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
Priority to NL124123D priority Critical patent/NL124123C/xx
Priority to BE647079D priority patent/BE647079A/xx
Priority to FR932865A priority patent/FR1367498A/en
Priority claimed from FR941003A external-priority patent/FR1370126A/en
Application filed by Roussel Uclaf SA filed Critical Roussel Uclaf SA
Priority to FR957944A priority patent/FR1404429A/en
Priority to CH496464A priority patent/CH428696A/en
Priority to DE1964R0037740 priority patent/DE1298524B/en
Priority to DK648664A priority patent/DK109895C/en
Priority to SE507364A priority patent/SE321216B/xx
Priority to GB1708864A priority patent/GB1057116A/en
Priority to AT365564A priority patent/AT247848B/en
Priority to NL6404578A priority patent/NL6404578A/xx
Priority to BR15865264A priority patent/BR6458652D0/en
Priority to ES0299207A priority patent/ES299207A1/en
Publication of FR1404429A publication Critical patent/FR1404429A/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C45/673—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 change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR957944A 1963-04-26 1963-12-20 New process for the preparation of alkyl cyclopentane diones and intermediates obtained in this process Expired FR1404429A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL124123D NL124123C (en) 1963-04-26
BE647079D BE647079A (en) 1963-04-26
FR932865A FR1367498A (en) 1963-04-26 1963-04-26 New process for the preparation of 1, 3-dioxo 2-methyl cyclopentane and intermediate products obtained in this process
FR957944A FR1404429A (en) 1963-04-26 1963-12-20 New process for the preparation of alkyl cyclopentane diones and intermediates obtained in this process
CH496464A CH428696A (en) 1963-04-26 1964-04-17 Process for preparing alkyl-cyclopentane-diones
DE1964R0037740 DE1298524B (en) 1963-04-26 1964-04-21 Process for the preparation of 2-alkyl-cyclopentane-1,3-dione
DK648664A DK109895C (en) 1963-04-26 1964-04-22 Process for the preparation of 1,3-dioxo-2-alkyl-cyclopentanes.
SE507364A SE321216B (en) 1963-04-26 1964-04-23
GB1708864A GB1057116A (en) 1963-04-26 1964-04-24 Processes for preparing 2-alkyl-cyclopentane derivatives, and the derivatives thus prpared
AT365564A AT247848B (en) 1963-04-26 1964-04-24 Process for the preparation of 1,3-dioxo-2-alkylcyclopentanes
NL6404578A NL6404578A (en) 1963-04-26 1964-04-24
BR15865264A BR6458652D0 (en) 1963-04-26 1964-04-24 NEW DIONAS CYCLOPENTANAL RENTAL PREPARATION PROCESS
ES0299207A ES299207A1 (en) 1963-04-26 1964-04-27 Processes for preparing 2-alkyl-cyclopentane derivatives, and the derivatives thus prpared

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR932865A FR1367498A (en) 1963-04-26 1963-04-26 New process for the preparation of 1, 3-dioxo 2-methyl cyclopentane and intermediate products obtained in this process
FR941003A FR1370126A (en) 1963-07-10 1963-07-10 New process for the preparation of alkyl cyclopentanedione
FR957944A FR1404429A (en) 1963-04-26 1963-12-20 New process for the preparation of alkyl cyclopentane diones and intermediates obtained in this process

Publications (1)

Publication Number Publication Date
FR1404429A true FR1404429A (en) 1965-07-02

Family

ID=27247180

Family Applications (2)

Application Number Title Priority Date Filing Date
FR932865A Expired FR1367498A (en) 1963-04-26 1963-04-26 New process for the preparation of 1, 3-dioxo 2-methyl cyclopentane and intermediate products obtained in this process
FR957944A Expired FR1404429A (en) 1963-04-26 1963-12-20 New process for the preparation of alkyl cyclopentane diones and intermediates obtained in this process

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR932865A Expired FR1367498A (en) 1963-04-26 1963-04-26 New process for the preparation of 1, 3-dioxo 2-methyl cyclopentane and intermediate products obtained in this process

Country Status (11)

Country Link
AT (1) AT247848B (en)
BE (1) BE647079A (en)
BR (1) BR6458652D0 (en)
CH (1) CH428696A (en)
DE (1) DE1298524B (en)
DK (1) DK109895C (en)
ES (1) ES299207A1 (en)
FR (2) FR1367498A (en)
GB (1) GB1057116A (en)
NL (2) NL6404578A (en)
SE (1) SE321216B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1593310B1 (en) * 1965-06-09 1971-07-01 Roussel Uclaf Process for the preparation of derivatives of 1,5-dioxo-5,6,7alpha-tetrahydroindane
US5087760A (en) * 1989-01-06 1992-02-11 Lonza Ltd. Process for the production of 1,3-cyclopentanedione

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1593310B1 (en) * 1965-06-09 1971-07-01 Roussel Uclaf Process for the preparation of derivatives of 1,5-dioxo-5,6,7alpha-tetrahydroindane
US5087760A (en) * 1989-01-06 1992-02-11 Lonza Ltd. Process for the production of 1,3-cyclopentanedione
US5113012A (en) * 1989-01-06 1992-05-12 Lonza Ltd. Process for the production of 1,3-cyclopentanedione

Also Published As

Publication number Publication date
SE321216B (en) 1970-03-02
BE647079A (en)
DK109895C (en) 1968-07-29
DE1298524B (en) 1969-07-03
ES299207A1 (en) 1964-08-16
CH428696A (en) 1967-01-31
NL6404578A (en) 1964-10-27
BR6458652D0 (en) 1973-08-28
FR1367498A (en) 1964-07-24
GB1057116A (en) 1967-02-01
NL124123C (en)
AT247848B (en) 1966-06-27

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