ID25547A - Proses pembuatan asam l-askorbat - Google Patents

Proses pembuatan asam l-askorbat

Info

Publication number
ID25547A
ID25547A IDW20000174A ID20000174A ID25547A ID 25547 A ID25547 A ID 25547A ID W20000174 A IDW20000174 A ID W20000174A ID 20000174 A ID20000174 A ID 20000174A ID 25547 A ID25547 A ID 25547A
Authority
ID
Indonesia
Prior art keywords
askorbat
making process
acid making
acid
making
Prior art date
Application number
IDW20000174A
Other languages
English (en)
Indonesian (id)
Inventor
Ulrich Fechtel
Klaus Beschmann
Wolfgang Heinz
Walter Kuhn
Original Assignee
Merck Patent Gmbh
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 Merck Patent Gmbh filed Critical Merck Patent Gmbh
Publication of ID25547A publication Critical patent/ID25547A/id

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
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
IDW20000174A 1997-08-07 1998-07-24 Proses pembuatan asam l-askorbat ID25547A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19734086A DE19734086C1 (de) 1997-08-07 1997-08-07 Verfahren zur Herstellung von L-Ascorbinsäure

Publications (1)

Publication Number Publication Date
ID25547A true ID25547A (id) 2000-10-12

Family

ID=7838185

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW20000174A ID25547A (id) 1997-08-07 1998-07-24 Proses pembuatan asam l-askorbat

Country Status (12)

Country Link
EP (1) EP1001952A2 (fr)
JP (1) JP2001512722A (fr)
KR (1) KR20010022595A (fr)
CN (1) CN1265655A (fr)
AR (1) AR010938A1 (fr)
AU (1) AU9156298A (fr)
BR (1) BR9811855A (fr)
CA (1) CA2299364A1 (fr)
CO (1) CO4770883A1 (fr)
DE (1) DE19734086C1 (fr)
ID (1) ID25547A (fr)
WO (1) WO1999007691A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) 2000-12-22 2002-07-04 Eastman Chemical Company Procede en continu de production d'acide l-ascorbique
JP2004516319A (ja) 2000-12-22 2004-06-03 イーストマン ケミカル カンパニー 亜硫酸塩の存在下でのアスコルビン酸の製造方法
NZ528677A (en) * 2001-04-10 2006-11-30 Danisco Usa Inc Polymerization of mono and disaccharides with monocarboxylic acids and lactones
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
CN111018815A (zh) * 2019-12-29 2020-04-17 安徽丰原发酵技术工程研究有限公司 一种通过溶剂萃取提高盐酸浓度制备维生素c的方法
CN111087373A (zh) * 2019-12-29 2020-05-01 安徽丰原发酵技术工程研究有限公司 一种酸法制备维生素c的方法
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462251A (en) * 1945-05-16 1949-02-22 Merck & Co Inc Process for preparing ascorbic acids
DD141832A1 (de) * 1978-10-31 1980-05-21 Joachim Schmidt Verfahren und vorrichtung zur herstellung 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

Also Published As

Publication number Publication date
JP2001512722A (ja) 2001-08-28
BR9811855A (pt) 2000-08-15
KR20010022595A (ko) 2001-03-26
WO1999007691A2 (fr) 1999-02-18
DE19734086C1 (de) 1998-08-13
AR010938A1 (es) 2000-07-12
CA2299364A1 (fr) 1999-02-18
AU9156298A (en) 1999-03-01
EP1001952A2 (fr) 2000-05-24
WO1999007691A3 (fr) 1999-04-08
CO4770883A1 (es) 1999-04-30
CN1265655A (zh) 2000-09-06

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