AU2003240450A1 - Manufacture of ketopantolactone - Google Patents

Manufacture of ketopantolactone

Info

Publication number
AU2003240450A1
AU2003240450A1 AU2003240450A AU2003240450A AU2003240450A1 AU 2003240450 A1 AU2003240450 A1 AU 2003240450A1 AU 2003240450 A AU2003240450 A AU 2003240450A AU 2003240450 A AU2003240450 A AU 2003240450A AU 2003240450 A1 AU2003240450 A1 AU 2003240450A1
Authority
AU
Australia
Prior art keywords
ketopantolactone
manufacture
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.)
Abandoned
Application number
AU2003240450A
Inventor
Werner Bonrath
Reinhard Karge
Matthias Nuechter
Bernd Ondruschka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSM IP Assets BV
Original Assignee
Roche Vitamins AG
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.)
Filing date
Publication date
Application filed by Roche Vitamins AG filed Critical Roche Vitamins AG
Publication of AU2003240450A1 publication Critical patent/AU2003240450A1/en
Abandoned legal-status Critical Current

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
    • C07D307/34—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
    • C07D307/60—Two oxygen atoms, e.g. succinic anhydride
    • 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
    • C07D307/58—One oxygen atom, e.g. butenolide
AU2003240450A 2002-04-25 2003-04-09 Manufacture of ketopantolactone Abandoned AU2003240450A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02009428 2002-04-25
EP02009428.0 2002-04-25
PCT/EP2003/003655 WO2003091235A1 (en) 2002-04-25 2003-04-09 Manufacture of ketopantolactone

Publications (1)

Publication Number Publication Date
AU2003240450A1 true AU2003240450A1 (en) 2003-11-10

Family

ID=29265899

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003240450A Abandoned AU2003240450A1 (en) 2002-04-25 2003-04-09 Manufacture of ketopantolactone

Country Status (5)

Country Link
KR (1) KR100969111B1 (en)
CN (1) CN1332956C (en)
AU (1) AU2003240450A1 (en)
TW (1) TW200307676A (en)
WO (1) WO2003091235A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113816932B (en) * 2021-10-14 2023-03-17 宁夏优维生物科技有限公司 Synthesis of keto pantolactone
CN115536520A (en) * 2022-11-02 2022-12-30 金川集团股份有限公司 Preparation method of ruthenium acetate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225506A (en) * 1978-05-30 1980-09-30 Hoffmann-La Roche Inc. Process for manufacturing a diketone
DE3229026A1 (en) * 1982-08-04 1984-02-09 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING 4,4-DIMETHYL-TETRAHYDROFURAN-2,3-DION
DE3242560A1 (en) * 1982-11-18 1984-05-24 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING DIHYDRO-4,4-DIMETHYL-2,3-FURANDION
JPS61242586A (en) 1985-04-19 1986-10-28 Seitetsu Kagaku Co Ltd Production of ketopantoic acid salt and/or ketopantolactone
JPH05306276A (en) * 1992-04-27 1993-11-19 Mitsubishi Petrochem Co Ltd Production of ketopantolactone

Also Published As

Publication number Publication date
TW200307676A (en) 2003-12-16
CN1649860A (en) 2005-08-03
CN1332956C (en) 2007-08-22
WO2003091235A1 (en) 2003-11-06
KR100969111B1 (en) 2010-07-09
KR20040111543A (en) 2004-12-31

Similar Documents

Publication Publication Date Title
AU2003202924A1 (en) Variation of neural-stimulation parameters
AU2003236991A1 (en) Representations of processes
AU2003280116A1 (en) Methods of making endoprostheses
AU2003242566A1 (en) Production of olefins
AU2003239909A1 (en) Enhanced-service provision
AU2003255456A1 (en) Production of olefins
AU2003206803A1 (en) Production of alkenones
AU2003277596A1 (en) Method of deuterization
AU2003252694A1 (en) External preparation
AUPS096002A0 (en) Method of construction
AU2003206367A1 (en) Technical field of the invention
AU2003298156A1 (en) Biphenylcarboxamides
EP1572117A3 (en) Production of ubiquinones
AU2003297563A1 (en) Production of ubiquinones
AU2003262141A1 (en) Preperation of desloratatine
AU2003298725A1 (en) Preparation of metallotexaphyrins
AU2003240450A1 (en) Manufacture of ketopantolactone
AU2003208685A1 (en) Podologic aid
AU2003243432A1 (en) Process of making phosphordiamidite compounds
AU2003238034A1 (en) Novel use of imidazotriazinones
AU2003250632A1 (en) Stereoflexography
AU2003255810A1 (en) Construction of lampshades
AU2002334411A1 (en) Production of usppase
AU2003227916A1 (en) Kiteboard
AU2003270295A1 (en) MANUFACTURE OF Alpha-TOCOPHEROL

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase