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
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)
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)
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 |
-
1965
- 1965-04-23 CH CH570365A patent/CH468997A/en unknown
-
1966
- 1966-03-26 DE DE19661568755 patent/DE1568755A1/en not_active Withdrawn
- 1966-04-19 BR BR178826/66A patent/BR6678826D0/en unknown
- 1966-04-21 BE BE679805D patent/BE679805A/xx unknown
- 1966-04-22 NL NL666605421A patent/NL153540B/en unknown
- 1966-04-22 ES ES0325859A patent/ES325859A1/en not_active Expired
- 1966-04-22 DK DK207866AA patent/DK116726B/en unknown
- 1966-04-23 YU YU00773/66A patent/YU77366A/en unknown
- 1966-12-22 GB GB17634/66A patent/GB1083076A/en not_active Expired
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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