DK305076A - Fremgangsmade til fremstilling af d,l-pantolacton - Google Patents
Fremgangsmade til fremstilling af d,l-pantolactonInfo
- Publication number
- DK305076A DK305076A DK305076A DK305076A DK305076A DK 305076 A DK305076 A DK 305076A DK 305076 A DK305076 A DK 305076A DK 305076 A DK305076 A DK 305076A DK 305076 A DK305076 A DK 305076A
- Authority
- DK
- Denmark
- Prior art keywords
- pantolactone
- procedure
- preparation
- Prior art date
Links
- SERHXTVXHNVDKA-SCSAIBSYSA-N (3s)-3-hydroxy-4,4-dimethyloxolan-2-one Chemical compound CC1(C)COC(=O)[C@H]1O SERHXTVXHNVDKA-SCSAIBSYSA-N 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7521270A FR2317297A1 (fr) | 1975-07-07 | 1975-07-07 | Procede de preparation de la d,l pantolactone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK305076A true DK305076A (da) | 1977-01-08 |
Family
ID=9157606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK305076A DK305076A (da) | 1975-07-07 | 1976-07-06 | Fremgangsmade til fremstilling af d,l-pantolacton |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4082775A (fr) |
| BE (1) | BE843827A (fr) |
| DE (1) | DE2627940A1 (fr) |
| DK (1) | DK305076A (fr) |
| FR (1) | FR2317297A1 (fr) |
| GB (1) | GB1490680A (fr) |
| IE (1) | IE43243B1 (fr) |
| IT (1) | IT1063143B (fr) |
| LU (1) | LU75306A1 (fr) |
| NL (1) | NL7607230A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2758883C3 (de) * | 1977-12-30 | 1981-10-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von α-Hydroxy-β,β-dimethyl-γ-butyrolacton |
| EP3310768B1 (fr) | 2015-06-19 | 2020-04-15 | Basf Se | Préparation de la pantolactone |
| CN112028758A (zh) * | 2020-05-25 | 2020-12-04 | 广安摩珈生物科技有限公司 | 羟基醛的制备方法以及使用电渗析技术拆分光学异构体的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2328000A (en) * | 1940-07-03 | 1943-08-31 | Merck & Co Inc | Racemic-alpha-hydroxy-beta, beta-dimethylgamma-butyro lactone, esters and salts thereof |
| US2863878A (en) * | 1954-05-27 | 1958-12-09 | Union Carbide Corp | Synthesis of alpha-alpha-dimethyl-beta-hydroxy-propionaldehyde and alpha-hydroxy-beta-beta-dimethyl-gamma-butyrolactone |
| US2852530A (en) * | 1954-07-19 | 1958-09-16 | Upjohn Co | Process for the preparation of a pantothenic acid intermediate |
-
1975
- 1975-07-07 FR FR7521270A patent/FR2317297A1/fr active Granted
-
1976
- 1976-06-21 GB GB25630/76A patent/GB1490680A/en not_active Expired
- 1976-06-21 IE IE1339/76A patent/IE43243B1/en unknown
- 1976-06-22 DE DE19762627940 patent/DE2627940A1/de not_active Withdrawn
- 1976-06-30 NL NL7607230A patent/NL7607230A/xx not_active Application Discontinuation
- 1976-07-01 US US05/701,586 patent/US4082775A/en not_active Expired - Lifetime
- 1976-07-06 DK DK305076A patent/DK305076A/da unknown
- 1976-07-06 LU LU75306A patent/LU75306A1/xx unknown
- 1976-07-06 BE BE168669A patent/BE843827A/fr unknown
- 1976-07-06 IT IT68686/76A patent/IT1063143B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| US4082775A (en) | 1978-04-04 |
| GB1490680A (en) | 1977-11-02 |
| NL7607230A (nl) | 1977-01-11 |
| LU75306A1 (fr) | 1977-02-24 |
| IE43243L (en) | 1977-01-07 |
| FR2317297A1 (fr) | 1977-02-04 |
| IT1063143B (it) | 1985-02-11 |
| DE2627940A1 (de) | 1977-02-03 |
| FR2317297B1 (fr) | 1977-12-16 |
| BE843827A (fr) | 1976-11-03 |
| IE43243B1 (en) | 1981-01-14 |
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