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GB1083076A - A process for resolving d,l-pantolactone - Google Patents

A process for resolving d,l-pantolactone

Info

Publication number
GB1083076A
GB1083076A GB17634/66A GB1763466A GB1083076A GB 1083076 A GB1083076 A GB 1083076A GB 17634/66 A GB17634/66 A GB 17634/66A GB 1763466 A GB1763466 A GB 1763466A GB 1083076 A GB1083076 A GB 1083076A
Authority
GB
United Kingdom
Prior art keywords
pantolactone
sodium salt
resolving
per
dodecahydro
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
GB17634/66A
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of GB1083076A publication Critical patent/GB1083076A/en
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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/26—Phenanthrenes; 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)
GB17634/66A 1965-04-23 1966-12-22 A process for resolving d,l-pantolactone Expired GB1083076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH570365A CH468997A (de) 1965-04-23 1965-04-23 Verfahren zur Aufspaltung eines racemischen Gemisches in die optischen Antipoden

Publications (1)

Publication Number Publication Date
GB1083076A true GB1083076A (en) 1967-09-13

Family

ID=4297967

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17634/66A Expired GB1083076A (en) 1965-04-23 1966-12-22 A process for resolving d,l-pantolactone

Country Status (9)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499602A (zh) * 2020-05-14 2020-08-07 吴江 一种钙盐法提取dl-泛解酸内酯拆分液中d-泛解酸内酯的方法
CN112457181A (zh) * 2020-12-11 2021-03-09 黄冈美丰化工科技有限公司 一种d-泛酸钙的合成方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809179A1 (de) * 1978-03-03 1979-09-13 Basf Ag Verfahren zur extraktion von pantolacton aus seinen waessrigen loesungen
US4225506A (en) * 1978-05-30 1980-09-30 Hoffmann-La Roche Inc. Process for manufacturing a diketone

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499602A (zh) * 2020-05-14 2020-08-07 吴江 一种钙盐法提取dl-泛解酸内酯拆分液中d-泛解酸内酯的方法
CN111499602B (zh) * 2020-05-14 2022-06-07 安徽泰格生物科技有限公司 一种钙盐法提取dl-泛解酸内酯拆分液中d-泛解酸内酯的方法
CN112457181A (zh) * 2020-12-11 2021-03-09 黄冈美丰化工科技有限公司 一种d-泛酸钙的合成方法
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

Also Published As

Publication number Publication date
DE1568755A1 (de) 1970-03-05
BE679805A (nl) 1966-10-21
YU77366A (en) 1978-02-28
ES325859A1 (es) 1967-07-01
DK116726B (da) 1970-02-09
NL153540B (nl) 1977-06-15
NL6605421A (nl) 1966-10-24
BR6678826D0 (pt) 1973-09-18
CH468997A (de) 1969-02-28

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