NL6605421A - - Google Patents

Info

Publication number
NL6605421A
NL6605421A NL6605421A NL6605421A NL6605421A NL 6605421 A NL6605421 A NL 6605421A NL 6605421 A NL6605421 A NL 6605421A NL 6605421 A NL6605421 A NL 6605421A NL 6605421 A NL6605421 A NL 6605421A
Authority
NL
Netherlands
Application number
NL6605421A
Other versions
NL153540B (nl
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 filed Critical
Publication of NL6605421A publication Critical patent/NL6605421A/xx
Publication of NL153540B publication Critical patent/NL153540B/xx

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)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Epoxy Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
NL666605421A 1965-04-23 1966-04-22 Werkwijze voor de bereiding van d-(-)-pantolacton. NL153540B (nl)

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 (2)

Publication Number Publication Date
NL6605421A true NL6605421A (xx) 1966-10-24
NL153540B NL153540B (nl) 1977-06-15

Family

ID=4297967

Family Applications (1)

Application Number Title Priority Date Filing Date
NL666605421A NL153540B (nl) 1965-04-23 1966-04-22 Werkwijze voor de bereiding van d-(-)-pantolacton.

Country Status (9)

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

Families Citing this family (4)

* 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
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
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
NL153540B (nl) 1977-06-15
YU77366A (en) 1978-02-28
DE1568755A1 (de) 1970-03-05
CH468997A (de) 1969-02-28
BE679805A (xx) 1966-10-21
ES325859A1 (es) 1967-07-01
DK116726B (da) 1970-02-09
GB1083076A (en) 1967-09-13
BR6678826D0 (pt) 1973-09-18

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