RO63651A - PROCESS FOR THE PREPARATION OF OPTICAL ANTIPODES OF PANTOLACTONE - Google Patents
PROCESS FOR THE PREPARATION OF OPTICAL ANTIPODES OF PANTOLACTONEInfo
- Publication number
- RO63651A RO63651A RO7400079036A RO7903674A RO63651A RO 63651 A RO63651 A RO 63651A RO 7400079036 A RO7400079036 A RO 7400079036A RO 7903674 A RO7903674 A RO 7903674A RO 63651 A RO63651 A RO 63651A
- Authority
- RO
- Romania
- Prior art keywords
- pantolactone
- preparation
- optical antipodes
- antipodes
- optical
- 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
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/01—Saturated compounds having only one carboxyl group and containing hydroxy or O-metal groups
- C07C59/10—Polyhydroxy carboxylic acids
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD171272A DD109380A1 (en) | 1973-06-04 | 1973-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO63651A true RO63651A (en) | 1978-09-15 |
Family
ID=5491480
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7400079036A RO63651A (en) | 1973-06-04 | 1974-06-03 | PROCESS FOR THE PREPARATION OF OPTICAL ANTIPODES OF PANTOLACTONE |
| RO7487342A RO69917A (en) | 1973-06-04 | 1974-06-03 | PROCEDURE FOR PREPARING THE LITHIUM PANEL |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7487342A RO69917A (en) | 1973-06-04 | 1974-06-03 | PROCEDURE FOR PREPARING THE LITHIUM PANEL |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS5512433B2 (en) |
| AR (1) | AR201439A1 (en) |
| AT (1) | AT339511B (en) |
| BE (1) | BE828391Q (en) |
| CH (2) | CH603613A5 (en) |
| CS (1) | CS179302B1 (en) |
| DD (1) | DD109380A1 (en) |
| DE (1) | DE2350610C3 (en) |
| FR (1) | FR2231638B1 (en) |
| GB (1) | GB1395458A (en) |
| IE (1) | IE38777B1 (en) |
| IS (1) | IS949B6 (en) |
| IT (1) | IT1035078B (en) |
| NL (1) | NL7407401A (en) |
| RO (2) | RO63651A (en) |
| SE (1) | SE417511B (en) |
| SU (1) | SU577997A3 (en) |
| YU (1) | YU36945B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2401898A1 (en) * | 1977-09-05 | 1979-03-30 | Aec Chim Organ Biolog | NEW SALT OF PATOIC ACID |
| CN112047906A (en) * | 2019-06-07 | 2020-12-08 | 帝斯曼知识产权资产管理有限公司 | Racemization method of pantoyl lactone |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1522111A (en) * | 1966-05-10 | 1968-04-19 | Fuji Chemical Ind | Process for resolving racemic ammonium pantoate |
| JPS5021448B1 (en) * | 1966-05-10 | 1975-07-23 |
-
1973
- 1973-06-04 DD DD171272A patent/DD109380A1/xx unknown
- 1973-10-09 DE DE2350610A patent/DE2350610C3/en not_active Expired
- 1973-10-29 GB GB5016973A patent/GB1395458A/en not_active Expired
-
1974
- 1974-01-14 JP JP745374A patent/JPS5512433B2/ja not_active Expired
- 1974-01-22 IE IE126/74A patent/IE38777B1/en unknown
- 1974-05-17 IT IT51089/74A patent/IT1035078B/en active
- 1974-05-24 AR AR253919A patent/AR201439A1/en active
- 1974-05-27 AT AT435974A patent/AT339511B/en not_active IP Right Cessation
- 1974-05-31 IS IS2215A patent/IS949B6/en unknown
- 1974-05-31 NL NL7407401A patent/NL7407401A/xx not_active Application Discontinuation
- 1974-05-31 SE SE7407275A patent/SE417511B/en unknown
- 1974-05-31 CS CS7400003903A patent/CS179302B1/en unknown
- 1974-05-31 FR FR7419015A patent/FR2231638B1/fr not_active Expired
- 1974-06-03 RO RO7400079036A patent/RO63651A/en unknown
- 1974-06-03 SU SU7402031936A patent/SU577997A3/en active
- 1974-06-03 YU YU1528/74A patent/YU36945B/en unknown
- 1974-06-03 RO RO7487342A patent/RO69917A/en unknown
- 1974-06-04 CH CH1318077A patent/CH603613A5/xx not_active IP Right Cessation
- 1974-06-04 CH CH758674A patent/CH602691A5/xx not_active IP Right Cessation
-
1975
- 1975-04-25 BE BE155773A patent/BE828391Q/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU6942374A (en) | 1975-11-27 |
| IS949B6 (en) | 1976-10-04 |
| JPS5052052A (en) | 1975-05-09 |
| FR2231638A1 (en) | 1974-12-27 |
| SE417511B (en) | 1981-03-23 |
| GB1395458A (en) | 1975-05-29 |
| NL7407401A (en) | 1974-12-06 |
| YU36945B (en) | 1984-08-31 |
| FR2231638B1 (en) | 1976-06-25 |
| RO69917A (en) | 1981-06-21 |
| DD109380A1 (en) | 1974-11-05 |
| DE2350610B2 (en) | 1975-05-22 |
| CH603613A5 (en) | 1978-08-31 |
| CH602691A5 (en) | 1978-07-31 |
| CS179302B1 (en) | 1977-10-31 |
| YU152874A (en) | 1982-06-18 |
| AR201439A1 (en) | 1975-03-14 |
| IE38777B1 (en) | 1978-05-24 |
| IS2215A7 (en) | 1974-12-05 |
| BE828391Q (en) | 1975-08-18 |
| AT339511B (en) | 1977-10-25 |
| DE2350610A1 (en) | 1974-12-19 |
| ATA435974A (en) | 1977-02-15 |
| IT1035078B (en) | 1979-10-20 |
| SE7407275L (en) | 1974-12-05 |
| DE2350610C3 (en) | 1976-01-02 |
| IE38777L (en) | 1974-12-04 |
| JPS5512433B2 (en) | 1980-04-02 |
| SU577997A3 (en) | 1977-10-25 |
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