DK291588A - Fremgangsmaade til fremstilling af ascorbinsyre-6-estere - Google Patents

Fremgangsmaade til fremstilling af ascorbinsyre-6-estere

Info

Publication number: DK291588A
Authority: DK; Denmark
Prior art keywords: acid esters; ascorbic acid; preparing ascorbic; preparing; esters
Prior art date: 1987-06-26

Application number

DK291588A

Other languages

English (en)

Other versions

DK291588D0 (da

Inventor

Horst Pauling

Christof Wehrli

Original Assignee

Hoffmann La Roche

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.)

1987-06-26

Filing date

1988-05-27

Publication date

1988-12-27

1988-05-27 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1988-05-27 Publication of DK291588D0 publication Critical patent/DK291588D0/da

1988-12-27 Publication of DK291588A publication Critical patent/DK291588A/da

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)
Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

DK291588A 1987-06-26 1988-05-27 Fremgangsmaade til fremstilling af ascorbinsyre-6-estere DK291588A (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH243187		1987-06-26
CH111288		1988-03-24

Publications (2)

Publication Number	Publication Date
DK291588D0 DK291588D0 (da)	1988-05-27
DK291588A true DK291588A (da)	1988-12-27

Family

ID=25686692

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK291588A DK291588A (da)	1987-06-26	1988-05-27	Fremgangsmaade til fremstilling af ascorbinsyre-6-estere

Country Status (5)

Country	Link
US (1)	US4997958A (da)
EP (1)	EP0296483B1 (da)
JP (1)	JP2507543B2 (da)
DE (1)	DE3870723D1 (da)
DK (1)	DK291588A (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1991013895A1 (de) *	1990-03-07	1991-09-19	F.Hoffmann-La Roche Ag	Verfahren zur herstellung von derivaten der ascorbinsäure
GB9403855D0 (en) *	1994-03-01	1994-04-20	Scotia Holdings Plc	Fatty acid derivatives
AU2091099A (en) *	1997-12-23	1999-07-12	Dcv, Inc. Doing Business As Bio-Technical Resources	Esters of conjugated linoleic acid or conjugated linolenic acid and uses thereof
US20060058535A1 (en) *	2002-05-21	2006-03-16	Thomas Stamm	Manufacture of ascorbic acid esters
WO2007048192A1 (en) *	2005-10-26	2007-05-03	Newcastle Innovation Limited	Gassing of emulsion explosives with nitric oxide
US7695549B2 (en) *	2006-09-26	2010-04-13	Global Oilfield Services Llc	Fluid filtration tool
EP2125675A1 (en) *	2007-01-10	2009-12-02	Newcastle Innovation Limited	Methods for gassing explosives especially at low temperatures
FR2988092B1 (fr)	2012-03-16	2014-04-25	Centre Nat Rech Scient	Complexes de vitamine c, nanoparticules desdits complexes, procedes pour leur preparation, leurs compositions, leurs utilisations cosmetiques et procede de traitement cosmetique
CN107382923A (zh) *	2017-07-31	2017-11-24	广东广益科技实业有限公司	维生素c棕榈酸酯的制备方法
JP7364841B2 (ja) *	2018-02-14	2023-10-19	智彦大和田	酸ハロゲン化物による化合物の製造方法
CN120136825A (zh) *	2025-03-13	2025-06-13	广东岭南感恩生物科技有限公司	一种酰氯法合成l-抗坏血酸棕榈酸酯的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2454748A (en) *	1945-08-02	1948-11-23	Upjohn Co	Ascorbic acid tetraester preparation
CH339632A (de) *	1955-07-07	1959-07-15	Uni Chemie Ag	Verfahren zur Darstellung von Verbindungen mit Vitamin-C- und -F-Wirkung
BE639828A (da) *	1962-11-14
GB1016834A (en) *	1962-11-26	1966-01-12	Nihon Surfactant Ind Company L	Improvements in or relating to 2.6 diesters of ascorbic acid or isoascorbic acid
JPS6281307A (ja) *	1985-10-04	1987-04-14	Kanebo Ltd	皮膚化粧料

1988
- 1988-05-27 DK DK291588A patent/DK291588A/da not_active Application Discontinuation
- 1988-06-16 EP EP88109607A patent/EP0296483B1/de not_active Expired - Lifetime
- 1988-06-16 DE DE8888109607T patent/DE3870723D1/de not_active Expired - Lifetime
- 1988-06-24 JP JP63155057A patent/JP2507543B2/ja not_active Expired - Lifetime
1989
- 1989-03-10 US US07/321,948 patent/US4997958A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US4997958A (en)	1991-03-05
EP0296483A3 (en)	1989-11-02
EP0296483B1 (de)	1992-05-06
DE3870723D1 (de)	1992-06-11
EP0296483A2 (de)	1988-12-28
JP2507543B2 (ja)	1996-06-12
JPS6438082A (en)	1989-02-08
DK291588D0 (da)	1988-05-27

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Legal Events

Date	Code	Title
1991-11-25	AHB	Application shelved due to non-payment
1996-01-22	AHB	Application shelved due to non-payment
2001-01-02	AHB	Application shelved due to non-payment