DD116228A5 - - Google Patents
Info
- Publication number
- DD116228A5 DD116228A5 DD183864A DD18386475A DD116228A5 DD 116228 A5 DD116228 A5 DD 116228A5 DD 183864 A DD183864 A DD 183864A DD 18386475 A DD18386475 A DD 18386475A DD 116228 A5 DD116228 A5 DD 116228A5
- Authority
- DD
- German Democratic Republic
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2404305A DE2404305C2 (de) | 1974-01-30 | 1974-01-30 | Verfahren zur Racematspaltung von D,L- Pantolacton |
| DE19742453283 DE2453283C2 (de) | 1974-11-09 | 1974-11-09 | Verfahren zur Racematspaltung von Pantolacton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD116228A5 true DD116228A5 (xx) | 1975-11-12 |
Family
ID=25766540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD183864A DD116228A5 (xx) | 1974-01-30 | 1975-01-28 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3996246A (xx) |
| JP (1) | JPS5922713B2 (xx) |
| AT (1) | AT337663B (xx) |
| CA (1) | CA1056388A (xx) |
| CH (1) | CH615431A5 (xx) |
| DD (1) | DD116228A5 (xx) |
| DK (1) | DK134937C (xx) |
| FR (1) | FR2259073B1 (xx) |
| GB (1) | GB1495163A (xx) |
| HU (1) | HU170781B (xx) |
| NL (1) | NL180748C (xx) |
Families Citing this family (10)
| 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 |
| US5364885A (en) * | 1992-11-13 | 1994-11-15 | Ahluwalia Gurpreet S | Reduction of hair growth |
| DE4496393T1 (de) * | 1993-08-27 | 1996-11-21 | Dow Chemical Co | Verfahren zur Trennung von Enantiomeren |
| KR19980059286A (ko) * | 1996-12-31 | 1998-10-07 | 박영구 | D-(-)-판토락톤의 제조방법 |
| ATE255571T1 (de) * | 1999-12-29 | 2003-12-15 | Oxis Isle Of Man Ltd | Methode zur trennung von racemischen mischungen von 5-substituierten 4-hydroxy-2-furanonen |
| US7226486B2 (en) * | 2003-01-16 | 2007-06-05 | L'oreal S.A | Ready-to-use bleaching compositions, preparation process and bleaching process |
| CN109280015A (zh) * | 2018-08-17 | 2019-01-29 | 无锡凯夫制药有限公司 | 一种d-泛酸钠合成和手性拆分方法 |
| CN109400556B (zh) * | 2018-12-29 | 2022-12-09 | 上海应用技术大学 | 一种d-(-)-泛解酸内酯的合成方法 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2319545A (en) * | 1940-07-03 | 1943-05-18 | Merck & Co Inc | Resolution of racemic alpha-hydroxy-beta, beta-dimethyl-gamma-butyro lactone, and new compounds obtained by such resolution |
-
1974
- 1974-12-19 DK DK665374A patent/DK134937C/da not_active IP Right Cessation
-
1975
- 1975-01-24 US US05/543,695 patent/US3996246A/en not_active Expired - Lifetime
- 1975-01-28 DD DD183864A patent/DD116228A5/xx unknown
- 1975-01-28 CA CA218,850A patent/CA1056388A/en not_active Expired
- 1975-01-28 FR FR7502556A patent/FR2259073B1/fr not_active Expired
- 1975-01-29 HU HU75BA00003196A patent/HU170781B/hu not_active IP Right Cessation
- 1975-01-29 GB GB3844/75A patent/GB1495163A/en not_active Expired
- 1975-01-29 AT AT67875A patent/AT337663B/de not_active IP Right Cessation
- 1975-01-29 NL NLAANVRAGE7501043,A patent/NL180748C/xx not_active IP Right Cessation
- 1975-01-30 CH CH108475A patent/CH615431A5/de not_active IP Right Cessation
- 1975-01-30 JP JP50011966A patent/JPS5922713B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| HU170781B (hu) | 1977-09-28 |
| FR2259073A1 (xx) | 1975-08-22 |
| CH615431A5 (xx) | 1980-01-31 |
| JPS50106956A (xx) | 1975-08-22 |
| ATA67875A (de) | 1976-11-15 |
| NL7501043A (nl) | 1975-08-01 |
| NL180748C (nl) | 1987-04-16 |
| NL180748B (nl) | 1986-11-17 |
| GB1495163A (en) | 1977-12-14 |
| FR2259073B1 (xx) | 1978-02-03 |
| US3996246A (en) | 1976-12-07 |
| DK134937C (da) | 1977-07-11 |
| DK134937B (da) | 1977-02-14 |
| JPS5922713B2 (ja) | 1984-05-28 |
| DK665374A (xx) | 1975-09-29 |
| AU7760675A (en) | 1976-07-29 |
| CA1056388A (en) | 1979-06-12 |
| AT337663B (de) | 1977-07-11 |