DK178287A - Fremstilling af l-ascorbinsyre ud fra 2-keto-l-gulon-syre under i det vaesentlige vandfrie betingelser - Google Patents

Fremstilling af l-ascorbinsyre ud fra 2-keto-l-gulon-syre under i det vaesentlige vandfrie betingelser

Info

Publication number: DK178287A
Authority: DK; Denmark
Prior art keywords: keto; annual; preparation; conditions; ascorbic acid
Prior art date: 1985-08-09

Application number

DK178287A

Other languages

English (en)

Other versions

DK178287D0 (da

Inventor

Richard Yodice

Original Assignee

Lubrizol Corp

Priority date (The priority date 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 date listed.)

1985-08-09

Filing date

1987-04-08

Publication date

1987-04-08

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25070184&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK178287(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1987-04-08 Application filed by Lubrizol Corp filed Critical Lubrizol Corp

1987-04-08 Publication of DK178287A publication Critical patent/DK178287A/da

1987-04-08 Publication of DK178287D0 publication Critical patent/DK178287D0/da

Links

CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title 2
VBUYCZFBVCCYFD-NUNKFHFFSA-N 2-dehydro-L-idonic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)C(=O)C(O)=O VBUYCZFBVCCYFD-NUNKFHFFSA-N 0.000 title 1
VBUYCZFBVCCYFD-UHFFFAOYSA-N D-arabino-2-Hexulosonic acid Natural products OCC(O)C(O)C(O)C(=O)C(O)=O VBUYCZFBVCCYFD-UHFFFAOYSA-N 0.000 title 1
239000002211 L-ascorbic acid Substances 0.000 title 1
235000000069 L-ascorbic acid Nutrition 0.000 title 1
229960005070 ascorbic acid Drugs 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
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D307/62—Three oxygen atoms, e.g. ascorbic acid

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Furan Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DK178287A 1985-08-09 1987-04-08 Fremstilling af l-ascorbinsyre ud fra 2-keto-l-gulon-syre under i det vaesentlige vandfrie betingelser DK178287D0 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US76426285A	1985-08-09	1985-08-09
PCT/US1986/001620 WO1987000839A1 (en)	1985-08-09	1986-08-06	Production of l-ascorbic acid from 2-keto-l-gulonic acid

Publications (2)

Publication Number	Publication Date
DK178287A true DK178287A (da)	1987-04-08
DK178287D0 DK178287D0 (da)	1987-04-08

Family

ID=25070184

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK178287A DK178287D0 (da)	1985-08-09	1987-04-08	Fremstilling af l-ascorbinsyre ud fra 2-keto-l-gulon-syre under i det vaesentlige vandfrie betingelser

Country Status (8)

Country	Link
EP (1)	EP0227829B1 (da)
JP (1)	JPS63500454A (da)
CN (1)	CN86105960A (da)
AU (1)	AU598748B2 (da)
DE (1)	DE3675357D1 (da)
DK (1)	DK178287D0 (da)
WO (1)	WO1987000839A1 (da)
YU (1)	YU141886A (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3819045C2 (de) *	1987-06-08	1997-06-19	Takeda Chemical Industries Ltd	Herstellung von L-Ascorbinsäure
US4845246A (en) *	1987-06-15	1989-07-04	Takeda Chemical Industries, Ltd.	Ascorbic acid ester
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
JPH08188578A (ja)	1994-11-11	1996-07-23	Takeda Chem Ind Ltd	Ｌ−アスコルビン酸の製造方法
DE19547073C1 (de)	1995-12-16	1996-11-14	Merck Patent Gmbh	Verfahren zur Herstellung von Ascorbinsäure
US5817490A (en) *	1996-05-17	1998-10-06	Eastman Chemical Company	Enzymatic process for the manufacture of ascorbic acid 2-keto-L-gulonic acid and esters of 2-keto-L-gulonic acid
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
DE19919203A1 (de)	1999-04-28	2000-11-02	Basf Ag	Verfahren zur Herstellung von L-Ascorbinsäure
DE19954511A1 (de)	1999-11-12	2001-05-17	Basf Ag	Verfahren zur Herstellung von Alkalisalzen der L-Ascorbinsäure
DE10022518A1 (de)	2000-05-10	2001-11-15	Basf Ag	Verfahren zur Herstellung von L-Ascorbinsäure durch Lactonisierung von 2-Keto-L-gulonsäure oder 2-Keto-L-gulonsäureestern
WO2002051826A1 (en)	2000-12-22	2002-07-04	Eastman Chemical Company	Continuous process for producing l-ascorbic acid
DE60113158T2 (de)	2000-12-22	2006-06-08	Eastman Chemical Co., Kingsport	Verfahren zur herstellung von ascorbinsäure in gegenwart eines sulfits
US6740762B2 (en)	2001-08-24	2004-05-25	Eastman Chemical Company	Process for ascorbic acids using alkaline earth silicate catalysts
US6716997B1 (en)	2001-10-09	2004-04-06	Eastman Chemical Company	Systems and methods for generation of ascorbic acid with reduced color
WO2021252335A1 (en) *	2020-06-08	2021-12-16	Wisys Technology Foundation Inc.	Engineered bacterial strain and method of use for one-pot vitamin c synthesis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH187934A (de) *	1935-06-18	1936-11-30	Hoffmann La Roche	Verfahren zur Herstellung von 1-Ascorbinsäure (C-Vitamin).
JPS58177986A (ja) *	1982-04-09	1983-10-18	Shionogi & Co Ltd	Ｌ−アスコルビン酸の製造方法

1986
- 1986-07-29 CN CN198686105960A patent/CN86105960A/zh active Pending
- 1986-08-06 EP EP19860905089 patent/EP0227829B1/en not_active Expired
- 1986-08-06 DE DE8686905089T patent/DE3675357D1/de not_active Expired - Fee Related
- 1986-08-06 WO PCT/US1986/001620 patent/WO1987000839A1/en not_active Ceased
- 1986-08-06 AU AU62202/86A patent/AU598748B2/en not_active Ceased
- 1986-08-06 JP JP61504367A patent/JPS63500454A/ja active Pending
- 1986-08-08 YU YU141886A patent/YU141886A/xx unknown
1987
- 1987-04-08 DK DK178287A patent/DK178287D0/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
YU141886A (en)	1987-10-31
CN86105960A (zh)	1987-05-13
WO1987000839A1 (en)	1987-02-12
JPS63500454A (ja)	1988-02-18
AU598748B2 (en)	1990-07-05
EP0227829A1 (en)	1987-07-08
DK178287D0 (da)	1987-04-08
EP0227829B1 (en)	1990-10-31
AU6220286A (en)	1987-03-05
DE3675357D1 (de)	1990-12-06

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Legal Events

Date	Code	Title	Description
1991-04-22	AHB	Application shelved due to non-payment