FI44593C - Process for the preparation of d (-) - pantolactone - Google Patents

Process for the preparation of d (-) - pantolactone

Info

Publication number
FI44593C
FI44593C FI195967A FI195967A FI44593C FI 44593 C FI44593 C FI 44593C FI 195967 A FI195967 A FI 195967A FI 195967 A FI195967 A FI 195967A FI 44593 C FI44593 C FI 44593C
Authority
FI
Finland
Prior art keywords
pantolactone
preparation
Prior art date
Application number
FI195967A
Other languages
Finnish (fi)
Other versions
FI44593B (en
Inventor
Kubela Rudolf
Delmar Geza Szabados
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 FI44593B publication Critical patent/FI44593B/fi
Application granted granted Critical
Publication of FI44593C publication Critical patent/FI44593C/en

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)
FI195967A 1966-07-19 1967-07-14 Process for the preparation of d (-) - pantolactone FI44593C (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI44593B FI44593B (en) 1971-08-31
FI44593C true FI44593C (en) 1971-12-10

Family

ID=4142595

Family Applications (1)

Application Number Title Priority Date Filing Date
FI195967A FI44593C (en) 1966-07-19 1967-07-14 Process for the preparation of d (-) - pantolactone

Country Status (7)

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

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
CN109705065B (en) * 2018-12-29 2022-10-14 上海应用技术大学 Method for asymmetric catalytic synthesis of D- (-) -pantoic acid lactone
CN109400556B (en) * 2018-12-29 2022-12-09 上海应用技术大学 Synthesis method of D- (-) -pantoic acid lactone
CN112457181B (en) * 2020-12-11 2023-08-29 黄冈美丰化工科技有限公司 Synthesis method of D-calcium pantothenate

Also Published As

Publication number Publication date
NO126133B (en) 1972-12-27
FI44593B (en) 1971-08-31
GB1183387A (en) 1970-03-04
FR1527635A (en) 1968-05-31
DE1618289B2 (en) 1975-01-09
SE332976B (en) 1971-03-01
CH471111A (en) 1969-04-15
DE1618289A1 (en) 1972-05-10

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