YU77366A - Process for resolving racemic alfa-dhydroxy-beta, beta-dimethyl-gama-butyro-lactone (d, l-pantolactone) - Google Patents

Process for resolving racemic alfa-dhydroxy-beta, beta-dimethyl-gama-butyro-lactone (d, l-pantolactone)

Info

Publication number
YU77366A
YU77366A YU00773/66A YU77366A YU77366A YU 77366 A YU77366 A YU 77366A YU 00773/66 A YU00773/66 A YU 00773/66A YU 77366 A YU77366 A YU 77366A YU 77366 A YU77366 A YU 77366A
Authority
YU
Yugoslavia
Prior art keywords
beta
dhydroxy
butyro
pantolactone
gama
Prior art date
Application number
YU00773/66A
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of YU77366A publication Critical patent/YU77366A/en

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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00Systems containing at least three condensed rings
    • C07C2603/02Ortho- or ortho- and peri-condensed systems
    • C07C2603/04Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/26Phenanthrenes; Hydrogenated phenanthrenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Epoxy Compounds (AREA)
YU00773/66A 1965-04-23 1966-04-23 Process for resolving racemic alfa-dhydroxy-beta, beta-dimethyl-gama-butyro-lactone (d, l-pantolactone) YU77366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH570365A CH468997A (en) 1965-04-23 1965-04-23 Process for the resolution of a racemic mixture into the optical antipodes

Publications (1)

Publication Number Publication Date
YU77366A true YU77366A (en) 1978-02-28

Family

ID=4297967

Family Applications (1)

Application Number Title Priority Date Filing Date
YU00773/66A YU77366A (en) 1965-04-23 1966-04-23 Process for resolving racemic alfa-dhydroxy-beta, beta-dimethyl-gama-butyro-lactone (d, l-pantolactone)

Country Status (9)

Country Link
BE (1) BE679805A (en)
BR (1) BR6678826D0 (en)
CH (1) CH468997A (en)
DE (1) DE1568755A1 (en)
DK (1) DK116726B (en)
ES (1) ES325859A1 (en)
GB (1) GB1083076A (en)
NL (1) NL153540B (en)
YU (1) YU77366A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809179A1 (en) * 1978-03-03 1979-09-13 Basf Ag METHOD OF EXTRACTION OF PANTOLACTONE FROM ITS AQUATIC SOLUTIONS
US4225506A (en) * 1978-05-30 1980-09-30 Hoffmann-La Roche Inc. Process for manufacturing a diketone
CN111499602B (en) * 2020-05-14 2022-06-07 安徽泰格生物科技有限公司 Method for extracting D-pantolactone from DL-pantolactone split liquid by calcium salt method
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
NL153540B (en) 1977-06-15
NL6605421A (en) 1966-10-24
ES325859A1 (en) 1967-07-01
CH468997A (en) 1969-02-28
GB1083076A (en) 1967-09-13
BR6678826D0 (en) 1973-09-18
BE679805A (en) 1966-10-21
DE1568755A1 (en) 1970-03-05
DK116726B (en) 1970-02-09

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