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CH471111A - Procédé de dédoublement de la pantolactone - Google Patents

Procédé de dédoublement de la pantolactone

Info

Publication number
CH471111A
CH471111A CH913767A CH913767A CH471111A CH 471111 A CH471111 A CH 471111A CH 913767 A CH913767 A CH 913767A CH 913767 A CH913767 A CH 913767A CH 471111 A CH471111 A CH 471111A
Authority
CH
Switzerland
Prior art keywords
pantolactone
resolution process
resolution
pantolactone resolution
Prior art date
Application number
CH913767A
Other languages
English (en)
French (fr)
Inventor
Kubela Rudolf
S Delmar Geza
Original Assignee
Delmar Chem
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 Delmar Chem filed Critical Delmar Chem
Publication of CH471111A publication Critical patent/CH471111A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26Heterocyclic compounds containing five-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
    • C07D307/30Heterocyclic compounds containing five-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
    • C07D307/32Oxygen atoms
    • C07D307/33Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Actuator (AREA)
CH913767A 1966-07-19 1967-06-28 Procédé de dédoublement de la pantolactone CH471111A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA965842 1966-07-19

Publications (1)

Publication Number Publication Date
CH471111A true CH471111A (fr) 1969-04-15

Family

ID=4142595

Family Applications (1)

Application Number Title Priority Date Filing Date
CH913767A CH471111A (fr) 1966-07-19 1967-06-28 Procédé de dédoublement de la pantolactone

Country Status (7)

Country Link
CH (1) CH471111A (fi)
DE (1) DE1618289B2 (fi)
FI (1) FI44593C (fi)
FR (1) FR1527635A (fi)
GB (1) GB1183387A (fi)
NO (1) NO126133B (fi)
SE (1) SE332976B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006156A1 (de) * 1978-05-30 1980-01-09 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Verfahren zur Herstellung von Dihydro-4,4-dimethyl-2,3-furandion

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109705065B (zh) * 2018-12-29 2022-10-14 上海应用技术大学 一种不对称催化合成d-(-)-泛解酸内酯的方法
CN109400556B (zh) * 2018-12-29 2022-12-09 上海应用技术大学 一种d-(-)-泛解酸内酯的合成方法
CN112457181B (zh) * 2020-12-11 2023-08-29 黄冈美丰化工科技有限公司 一种d-泛酸钙的合成方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006156A1 (de) * 1978-05-30 1980-01-09 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Verfahren zur Herstellung von Dihydro-4,4-dimethyl-2,3-furandion

Also Published As

Publication number Publication date
SE332976B (fi) 1971-03-01
GB1183387A (en) 1970-03-04
NO126133B (fi) 1972-12-27
DE1618289A1 (de) 1972-05-10
FI44593C (fi) 1971-12-10
FR1527635A (fr) 1968-05-31
DE1618289B2 (de) 1975-01-09
FI44593B (fi) 1971-08-31

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Legal Events

Date Code Title Description
PL Patent ceased