DK116726B - Fremgangsmåde til opspaltning af racemisk α-hydroxy-β,β-dimethyl-γ-butyrolacton i de optisk aktive antipoder. - Google Patents
Fremgangsmåde til opspaltning af racemisk α-hydroxy-β,β-dimethyl-γ-butyrolacton i de optisk aktive antipoder.Info
- Publication number
- DK116726B DK116726B DK207866AA DK207866A DK116726B DK 116726 B DK116726 B DK 116726B DK 207866A A DK207866A A DK 207866AA DK 207866 A DK207866 A DK 207866A DK 116726 B DK116726 B DK 116726B
- Authority
- DK
- Denmark
- Prior art keywords
- butyrolactone
- racemic
- cleavage
- hydroxy
- dimethyl
- Prior art date
Links
- SERHXTVXHNVDKA-BYPYZUCNSA-N (R)-pantolactone Chemical compound CC1(C)COC(=O)[C@@H]1O SERHXTVXHNVDKA-BYPYZUCNSA-N 0.000 title 1
- 238000003776 cleavage reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000007017 scission Effects 0.000 title 1
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)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Epoxy Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
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 |
---|---|
DK116726B true DK116726B (da) | 1970-02-09 |
Family
ID=4297967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK207866AA DK116726B (da) | 1965-04-23 | 1966-04-22 | Fremgangsmåde til opspaltning af racemisk α-hydroxy-β,β-dimethyl-γ-butyrolacton i de optisk aktive antipoder. |
Country Status (9)
Families Citing this family (4)
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 |
-
1965
- 1965-04-23 CH CH570365A patent/CH468997A/de unknown
-
1966
- 1966-03-26 DE DE19661568755 patent/DE1568755A1/de not_active Withdrawn
- 1966-04-19 BR BR178826/66A patent/BR6678826D0/pt unknown
- 1966-04-21 BE BE679805D patent/BE679805A/xx unknown
- 1966-04-22 DK DK207866AA patent/DK116726B/da unknown
- 1966-04-22 ES ES0325859A patent/ES325859A1/es not_active Expired
- 1966-04-22 NL NL666605421A patent/NL153540B/xx unknown
- 1966-04-23 YU YU00773/66A patent/YU77366A/xx unknown
- 1966-12-22 GB GB17634/66A patent/GB1083076A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH468997A (de) | 1969-02-28 |
BR6678826D0 (pt) | 1973-09-18 |
NL153540B (nl) | 1977-06-15 |
DE1568755A1 (de) | 1970-03-05 |
YU77366A (en) | 1978-02-28 |
GB1083076A (en) | 1967-09-13 |
NL6605421A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-10-24 |
ES325859A1 (es) | 1967-07-01 |
BE679805A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK127415B (da) | Fremgangsmåde til fremstilling af α-benzyl-β,β-dialkoxypropionitriler. | |
DK129291B (da) | Fremgangsmåde til fremstilling af et kimfattigt, flydedygtigt pancreatinpræparat. | |
DK125255B (da) | Fremgangsmåde til fremstilling af lipase. | |
DK108757C (da) | Fremgangsmåde til fremstilling af transparente, linære polyamider. | |
DK112523B (da) | Fremgangsmåde til fremstilling af 2,3-pyridindiol. | |
DK134673B (da) | Fremgangsmåde til spaltning af racemisk tetramisol. | |
DK116726B (da) | Fremgangsmåde til opspaltning af racemisk α-hydroxy-β,β-dimethyl-γ-butyrolacton i de optisk aktive antipoder. | |
DK138222B (da) | Fremgangsmåde til fremstilling af optisk aktiv trans-chrysantheminsyre ved spaltning af d,1-trans-chrysantheminsyre ved hjælp af en optisk aktiv base. | |
DK120709B (da) | Analogifremgangsmåde til fremstilling af substituerede hydroxyfenyl-alkylaminer eller optisk aktive antipoder eller salte deraf. | |
DK132499B (da) | Fremgangsmåde til opspaltning af racemisk tetramisol. | |
DK138650B (da) | Analogifremgangsmåde til fremstilling af racemiske eller optisk aktive penicilliner. | |
DK133428B (da) | Fremgangsmåde til fremstilling af optisk aktive organiske forbindelser, specielt secosteroider. | |
DK122760B (da) | Analogifremgangsmåde til fremstilling af terapeutisk virksomme 4-alkoxy-3,5-dimethoxybenzamider. | |
DK139384B (da) | Fremgangsmåde til spaltning af dl-allethrolon i de optisk aktive antipoder. | |
DK118651B (da) | Fremgangsmåde til fremstilling af extracellulære enzymer. | |
DK128279B (da) | Fremgangsmåde til fremstilling af α,ω-alkylendiaminer. | |
DK115106B (da) | Fremgangsmåde til rensning af 2,2,2-trifluor-1-klor-1-bromætan. | |
DK115184B (da) | Fremgangsmåde til fremstilling af 6,7-benzomorphaner. | |
DK131502B (da) | Analogifremgangsmåde til fremstilling af racemisk eller optisk aktiv alfa-ureidobenzylpenicillin eller salte deraf. | |
DK112606B (da) | Fremgangsmåde til rensning af insulin. | |
DK127059B (da) | Analogifremgangsmåde til fremstilling af substituerede 1-phenoxy-2-hydroxy-3-tert.butylaminopropaner eller salte heraf eller de tilsvarende optisk aktive antipoder. | |
DK116594B (da) | Fremgangsmåde til fremstilling af 4,1,5-benzoxadiazociner. | |
DK121513B (da) | Analogifremgangsmåde til fremstilling af racemiske eller optisk aktive N-substituerede noratropiniumsalte. | |
DK114962B (da) | Fremgangsmåde til fremstilling af α, α, α', α'-tetramethyl-xylylen-dicarbinoler. | |
DK112871B (da) | Fremgangsmåde til fremstilling af optisk-aktivt 13β-propyl-18,19-bis-nor-progesteron. |