LU75306A1 - - Google Patents
Info
- Publication number
- LU75306A1 LU75306A1 LU75306A LU75306A LU75306A1 LU 75306 A1 LU75306 A1 LU 75306A1 LU 75306 A LU75306 A LU 75306A LU 75306 A LU75306 A LU 75306A LU 75306 A1 LU75306 A1 LU 75306A1
- Authority
- LU
- Luxembourg
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
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 |
|---|---|
| LU75306A1 true LU75306A1 (xx) | 1977-02-24 |
Family
ID=9157606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU75306A LU75306A1 (xx) | 1975-07-07 | 1976-07-06 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4082775A (xx) |
| BE (1) | BE843827A (xx) |
| DE (1) | DE2627940A1 (xx) |
| DK (1) | DK305076A (xx) |
| FR (1) | FR2317297A1 (xx) |
| GB (1) | GB1490680A (xx) |
| IE (1) | IE43243B1 (xx) |
| IT (1) | IT1063143B (xx) |
| LU (1) | LU75306A1 (xx) |
| NL (1) | NL7607230A (xx) |
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 |
| CN107709307A (zh) * | 2015-06-19 | 2018-02-16 | 巴斯夫欧洲公司 | 泛酰内酯的制备 |
| 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 IE IE1339/76A patent/IE43243B1/en unknown
- 1976-06-21 GB GB25630/76A patent/GB1490680A/en not_active Expired
- 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 BE BE168669A patent/BE843827A/xx unknown
- 1976-07-06 DK DK305076A patent/DK305076A/da unknown
- 1976-07-06 LU LU75306A patent/LU75306A1/xx unknown
- 1976-07-06 IT IT68686/76A patent/IT1063143B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2627940A1 (de) | 1977-02-03 |
| IE43243B1 (en) | 1981-01-14 |
| GB1490680A (en) | 1977-11-02 |
| DK305076A (da) | 1977-01-08 |
| FR2317297A1 (fr) | 1977-02-04 |
| IT1063143B (it) | 1985-02-11 |
| IE43243L (en) | 1977-01-07 |
| FR2317297B1 (xx) | 1977-12-16 |
| US4082775A (en) | 1978-04-04 |
| NL7607230A (nl) | 1977-01-11 |
| BE843827A (fr) | 1976-11-03 |