FR1527635A - Procédé de dédoublement de la pantolactone - Google Patents

Procédé de dédoublement de la pantolactone

Info

Publication number
FR1527635A
FR1527635A FR110940A FR110940A FR1527635A FR 1527635 A FR1527635 A FR 1527635A FR 110940 A FR110940 A FR 110940A FR 110940 A FR110940 A FR 110940A FR 1527635 A FR1527635 A FR 1527635A
Authority
FR
France
Prior art keywords
pantolactone
resolution process
resolution
pantolactone resolution
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
FR110940A
Other languages
English (en)
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.)
Delmar Chemicals Inc
Original Assignee
Delmar Chemicals Inc
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 Chemicals Inc filed Critical Delmar Chemicals Inc
Application granted granted Critical
Publication of FR1527635A publication Critical patent/FR1527635A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic 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
    • C07D307/30—Heterocyclic 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
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen 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)
FR110940A 1966-07-19 1967-06-19 Procédé de dédoublement de la pantolactone Expired FR1527635A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1527635A true FR1527635A (fr) 1968-05-31

Family

ID=4142595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR110940A Expired FR1527635A (fr) 1966-07-19 1967-06-19 Procédé de dédoublement de la pantolactone

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225506A (en) * 1978-05-30 1980-09-30 Hoffmann-La Roche Inc. Process for manufacturing a diketone
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
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
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

Also Published As

Publication number Publication date
CH471111A (fr) 1969-04-15
DE1618289A1 (de) 1972-05-10
FI44593B (fr) 1971-08-31
GB1183387A (en) 1970-03-04
DE1618289B2 (de) 1975-01-09
SE332976B (fr) 1971-03-01
FI44593C (fi) 1971-12-10
NO126133B (fr) 1972-12-27

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