JP2005506978A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2005506978A5 JP2005506978A5 JP2003523232A JP2003523232A JP2005506978A5 JP 2005506978 A5 JP2005506978 A5 JP 2005506978A5 JP 2003523232 A JP2003523232 A JP 2003523232A JP 2003523232 A JP2003523232 A JP 2003523232A JP 2005506978 A5 JP2005506978 A5 JP 2005506978A5
- Authority
- JP
- Japan
- Prior art keywords
- klg
- acid
- earth metal
- alkaline earth
- keto
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31486001P | 2001-08-24 | 2001-08-24 | |
| US32228101P | 2001-09-14 | 2001-09-14 | |
| PCT/US2002/025280 WO2003018569A1 (en) | 2001-08-24 | 2002-08-09 | Process for ascorbic acids using alkaline earth silicate catalysts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005506978A JP2005506978A (ja) | 2005-03-10 |
| JP2005506978A5 true JP2005506978A5 (https=) | 2006-01-05 |
Family
ID=26979597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003523232A Pending JP2005506978A (ja) | 2001-08-24 | 2002-08-09 | アルカリ土類金属珪酸塩触媒を用いるアスコルビン酸の方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6740762B2 (https=) |
| EP (1) | EP1419147B1 (https=) |
| JP (1) | JP2005506978A (https=) |
| CN (1) | CN1269809C (https=) |
| AT (1) | ATE305929T1 (https=) |
| DE (1) | DE60206511T2 (https=) |
| WO (1) | WO2003018569A1 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6476239B1 (en) * | 2002-02-12 | 2002-11-05 | Eastman Chemical Company | Process for the preparation of ascorbic acid |
| US8071959B2 (en) * | 2005-12-21 | 2011-12-06 | Ottawa Heart Institute Research Corp. | Rubidium generator for cardiac perfusion imaging and method of making and maintaining same |
| US20080299624A1 (en) * | 2007-06-01 | 2008-12-04 | Edward Heslop | Continuous fermentation apparatus and method |
| US8957271B2 (en) * | 2008-06-25 | 2015-02-17 | Total Research & Technology Feluy | Process to make olefins from oxygenates |
| CN102076636B (zh) * | 2008-06-25 | 2014-04-16 | 道达尔石油化学产品研究弗吕公司 | 由含氧化合物制造烯烃的方法 |
| EP2303806B1 (en) * | 2008-06-25 | 2019-08-07 | Total Research & Technology Feluy | Process to make olefins from oxygenates |
| EP2303807B1 (en) * | 2008-06-25 | 2019-08-07 | Total Research & Technology Feluy | Process to make olefins from oxygenates |
| TWI630170B (zh) * | 2016-12-16 | 2018-07-21 | 帆宣系統科技股份有限公司 | 高濃度過氧化氫水溶液之處理方法 |
| CN110372649A (zh) * | 2019-08-08 | 2019-10-25 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸为原料的一步酸法制备维生素c的方法 |
| CN110590868B (zh) * | 2019-09-17 | 2023-02-17 | 石药集团维生药业（石家庄）有限公司 | 一种2-酮基-l-古龙酸甲酯生产工艺 |
| CN114369075B (zh) * | 2022-02-14 | 2023-09-29 | 河北乐开节能科技股份有限公司 | 利用2-酮基-l-古龙酸的水溶液一步制备vc结晶的方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB428814A (en) | 1933-10-25 | 1935-05-20 | Tadeus Reichstein | Process for the manufacture of laevo-ascorbic acid (vitamin-c) |
| US2265121A (en) | 1933-10-25 | 1941-12-02 | Hoffmann La Roche | Process for the manufacture of levoascorbic acid |
| GB428815A (en) | 1933-12-09 | 1935-05-20 | Tadeus Reichstein | Process for the manufacture of laevo-ascorbic acid (vitamin-c) |
| US2491065A (en) | 1941-12-01 | 1949-12-13 | Tno | Process for producing ascorbic acid from 2-keto-levo-gulonic acid or its derivatives |
| US2462251A (en) | 1945-05-16 | 1949-02-22 | Merck & Co Inc | Process for preparing ascorbic acids |
| US2590163A (en) * | 1948-05-13 | 1952-03-25 | Spolek | Production of an acid of the ascorbic acid type from a 2-keto-hexonic acid |
| CH412861A (de) * | 1961-04-28 | 1966-05-15 | Takeda Chemical Industries Ltd | Verfahren zur Herstellung von D- oder L-Ascorbinsäure oder -Araboascorbinsäure |
| CH490368A (fr) | 1968-02-01 | 1970-05-15 | Politechnika Slaska Im Wincent | Procédé de production de vitamine C |
| DD141832A1 (de) | 1978-10-31 | 1980-05-21 | Joachim Schmidt | Verfahren und vorrichtung zur herstellung von l-ascorbinsaeure |
| DE3621781A1 (de) | 1985-07-05 | 1987-01-15 | Takeda Chemical Industries Ltd | Verfahren zur reinigung von l-ascorbinsaeure |
| CN86105960A (zh) | 1985-08-09 | 1987-05-13 | 鲁布里佐尔公司 | 在基本无水条件下从2-酮-l-古洛糖酸制备l-抗坏血酸 |
| DE3819045C2 (de) * | 1987-06-08 | 1997-06-19 | Takeda Chemical Industries Ltd | Herstellung von L-Ascorbinsäure |
| EP0324261A1 (en) * | 1988-01-06 | 1989-07-19 | Pfizer Inc. | Production of L-ascorbic acid from 2-keto-L-gulonic acid with an acid catalyst and a lipophilic surfactant having a low hydrophilic: lipophilic balance under substantially anhydrous conditions |
| DE3843389A1 (de) | 1988-12-23 | 1990-06-28 | Basf Ag | Verfahren zur herstellung von ascorbinsaeure |
| FR2648136B1 (fr) | 1989-06-12 | 1994-06-17 | Rhone Poulenc Sante | Procede de preparation de l'acide ascorbique |
| CH678057A5 (de) | 1989-06-26 | 1991-07-31 | Enco Eng Ag | Verfahren zur herstellung von natrium- oder kalium-l-ascorbat. |
| JP3134236B2 (ja) | 1992-01-30 | 2001-02-13 | 株式会社林原生物化学研究所 | α−グリコシル−Ｌ−アスコルビン酸高含有物の製造方法とその製造のための分離システム |
| JPH08176133A (ja) | 1994-12-26 | 1996-07-09 | Takeda Chem Ind Ltd | Ｌ−アスコルビン酸の精製法 |
| IL115564A (en) | 1995-10-11 | 1999-06-20 | Yissum Res Dev Co | Process for the recovery of ascorbic acid from an aqueous feed solution |
| DE19547073C1 (de) | 1995-12-16 | 1996-11-14 | Merck Patent Gmbh | Verfahren zur Herstellung von Ascorbinsäure |
| DE19734086C1 (de) | 1997-08-07 | 1998-08-13 | Merck Patent Gmbh | Verfahren zur Herstellung von L-Ascorbinsäure |
| DE19904821C1 (de) | 1999-02-05 | 2000-07-06 | Merck Patent Gmbh | Verfahren zur Herstellung von L-Ascobinsäure |
-
2002
- 2002-08-07 US US10/213,736 patent/US6740762B2/en not_active Expired - Fee Related
- 2002-08-09 EP EP02796376A patent/EP1419147B1/en not_active Expired - Lifetime
- 2002-08-09 WO PCT/US2002/025280 patent/WO2003018569A1/en not_active Ceased
- 2002-08-09 AT AT02796376T patent/ATE305929T1/de not_active IP Right Cessation
- 2002-08-09 CN CNB028165934A patent/CN1269809C/zh not_active Expired - Fee Related
- 2002-08-09 DE DE60206511T patent/DE60206511T2/de not_active Expired - Fee Related
- 2002-08-09 JP JP2003523232A patent/JP2005506978A/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2005506978A5 (https=) | ||
| Yu et al. | Identifying airborne carbonyl compounds in isoprene atmospheric photooxidation products by their PFBHA oximes using gas chromatography/ion trap mass spectrometry | |
| Tamura et al. | Gas chromatographic analysis of malonaldehyde and 4‐hydroxy‐2‐(E)‐nonenal produced from arachidonic acid and linoleic acid in a lipid peroxidation model system | |
| Hanzawa et al. | The Reformatsky reaction of bromodifluoromethylacetylene derivatives: Application to the synthesis of fluorinated bioactive compounds | |
| Staroscik et al. | Conformational aspects of the directive effect of the homoallylic hydroxyl group in the Simmons-Smith reaction | |
| Iwanami et al. | Iron (III) chloride-catalyzed reductive etherification of carbonyl compounds with alcohols | |
| Henrick et al. | Stereoselective synthesis of the C18 cecropia juvenile hormone | |
| US4396782A (en) | Process for producing unsaturated ethers | |
| Truce et al. | Mechanism of alcoholysis of carboxylic acid halides in the presence of triethylamine | |
| Foulard et al. | Radical trifluoromethylation of a D-mannose derived ketene dithioacetal. Synthesis of 2-C-trifluoromethyl derivatives of D-glycero-D-galacto-and D-glycero-D-talo-heptopyranose | |
| JPS56156300A (en) | Novel preparative method of anthracyclin derivative | |
| TimothyáAnstine | Reaction of diethylaminosulfur trifluoride with diols | |
| Horiuchi et al. | A novel synthesis of α-hydroxy-and α, α′-dihydroxyketone from α-iodo and α, α′-diiodo ketone using photoirradiation | |
| CA2110748C (fr) | Procede de preparation de la vitamine a et composes intermediaires utiles pour ce procede | |
| EP1127865B1 (en) | Process for producing 1,1,1-Trifluoroacetone | |
| Dudziński et al. | Reactions of difluoro-pentafluorosulfanyl-iodomethane (SF5CF2I) with electronically different types of alkenes | |
| Ranu et al. | Indium triiodide catalysed one-step conversion of tetrahydropyranyl ethers to acetates with high selectivity | |
| Lima et al. | Synthesis of a new strigol analogue from natural safrole | |
| Duggan et al. | Chemistry of 2-alkoxy-3, 4-dihydro-2H-pyrans. III. Synthesis and solvolysis of the dichlorocarbene adducts 3-alkoxy-2-oxa-7, 7-dichloronorcaranes | |
| TAKAHATA et al. | New synthetic routes to carbohydrates by the use of telomers of vinylene carbonate with polyhalomethanes | |
| Olivier et al. | Two new germacranolides from Melampodium leucanthum and their reductive and oxidative rearrangements | |
| CN113845413B (zh) | 一种利用mto催化制备罗汉柏木烷酮的方法 | |
| Yasue et al. | Regioselective Coupling Reaction of Allylic Barium Reagents with Epoxides. | |
| CN119751328B (zh) | 一种α,β-不饱和酰胺类化合物的选择性氢化还原方法 | |
| CN114349594B (zh) | 一种制备多卤代烃的方法及反应器 |