KR970042536A - 아스코르브산의 제조방법 - Google Patents
아스코르브산의 제조방법 Download PDFInfo
- Publication number
- KR970042536A KR970042536A KR1019960064372A KR19960064372A KR970042536A KR 970042536 A KR970042536 A KR 970042536A KR 1019960064372 A KR1019960064372 A KR 1019960064372A KR 19960064372 A KR19960064372 A KR 19960064372A KR 970042536 A KR970042536 A KR 970042536A
- Authority
- KR
- South Korea
- Prior art keywords
- acid
- chloride
- acid chloride
- process according
- ascorbic acid
- Prior art date
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
Abstract
불활성 용매, 지방족 케논 및 산 염화물을 함유하는 용매 혼합물 중에서 2-케토-L-글루콘산을 수성 무기산과 반응시킴으로써 L-아스코르브산을 제조하는 방법
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (7)
- 산 염화물이 첨가됨을 특징으로 하는, 불활성 유기 용매 및 지방족 케톤을 함유한 용매 혼합물 중에서 2-케토-L-글루콘산을 수성 무기산과 반응시킴으로써 L-아스코르브산을 제조하는 방법
- 제1항에 있어서, 1부의 불활성 용매에 대해 0.01 내지 1부의 산 염화물을 사용하는 것을 특징으로 하는 방법
- 제1항 또는 제2항에 있어서, 반응이 40 내지 100℃의 온도에서 수행되는 것을 특징으로 하는 방법
- 제1항 내지 제3항 중 어느 한 항에 있어서, 2-케토-L-글루콘산, 불황성 용매, 케톤 및 수성 무기산으로 구성된 혼합물을 가열하고, 후속적으로 산 염화물을 첨가하는 것을 특징으로 하는 방법
- 제1항 내지 제4항 중 어느 한 항에 있어서, 산 염화물이 탄소수 1 내지 4의 지방족 카복실산 클로라이드인 것을 특징으로 하는 방법
- 제1항 내지 제5항 중 어느 한 항에 있어서, 산 염화물이 티오닐 클로라이드인 것을 특징으로 하는 방법
- 제5항에 있어서, 산 염화물이 아세틸 클로라이드, 옥살릴 클로라이드, 포스겐 및 디포스겐을 포함하는 그룹으로부터 선택되는 지방족 카복실산 클로라이드인 것을 특징으로 하는 방법
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19547073A DE19547073C1 (de) | 1995-12-16 | 1995-12-16 | Verfahren zur Herstellung von Ascorbinsäure |
DE19547073.7 | 1995-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970042536A true KR970042536A (ko) | 1997-07-24 |
KR100483775B1 KR100483775B1 (ko) | 2005-11-25 |
Family
ID=7780344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960064372A KR100483775B1 (ko) | 1995-12-16 | 1996-12-11 | 아스코르브산의제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5744618A (ko) |
EP (1) | EP0779285B1 (ko) |
JP (1) | JPH09176145A (ko) |
KR (1) | KR100483775B1 (ko) |
AT (1) | ATE181325T1 (ko) |
DE (2) | DE19547073C1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19547073C1 (de) * | 1995-12-16 | 1996-11-14 | Merck Patent Gmbh | Verfahren zur Herstellung von Ascorbinsäure |
US5998634A (en) * | 1999-03-15 | 1999-12-07 | The United States Of America As Represented By The Secretary Of The Interior | One-step synthesis of vitamin-C (L-ascorbic acid) |
DE19919203A1 (de) | 1999-04-28 | 2000-11-02 | Basf Ag | Verfahren zur Herstellung von L-Ascorbinsäure |
DE19938980A1 (de) * | 1999-08-19 | 2001-02-22 | Basf Ag | Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern |
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 |
US6864376B2 (en) | 2000-12-22 | 2005-03-08 | Eastman Chemical Company | Process for producing ascorbic acid |
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 |
US6476239B1 (en) | 2002-02-12 | 2002-11-05 | Eastman Chemical Company | Process for the preparation of ascorbic acid |
US6872314B2 (en) * | 2003-08-29 | 2005-03-29 | Eastman Chemical Company | Dewatering process |
CN102424695A (zh) * | 2011-10-28 | 2012-04-25 | 安徽泰格生物技术股份有限公司 | 一种古龙酸甲酯钠及其制备方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185383A (en) | 1937-04-28 | 1940-01-02 | Charles Pflzer & Company | Preparation of levo-ascorbic acid |
US2205567A (en) * | 1938-07-15 | 1940-06-25 | Warren Buckley | Nonrefillable bottle closure |
JPS4815931B1 (ko) | 1970-10-05 | 1973-05-18 | ||
JPS58177986A (ja) | 1982-04-09 | 1983-10-18 | Shionogi & Co Ltd | L−アスコルビン酸の製造方法 |
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 |
FR2648136B1 (fr) * | 1989-06-12 | 1994-06-17 | Rhone Poulenc Sante | Procede de preparation de l'acide ascorbique |
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 |
-
1995
- 1995-12-16 DE DE19547073A patent/DE19547073C1/de not_active Expired - Fee Related
-
1996
- 1996-12-04 AT AT96119399T patent/ATE181325T1/de active
- 1996-12-04 DE DE59602236T patent/DE59602236D1/de not_active Expired - Lifetime
- 1996-12-04 EP EP96119399A patent/EP0779285B1/de not_active Expired - Lifetime
- 1996-12-11 KR KR1019960064372A patent/KR100483775B1/ko not_active IP Right Cessation
- 1996-12-13 US US08/766,276 patent/US5744618A/en not_active Expired - Lifetime
- 1996-12-16 JP JP8352578A patent/JPH09176145A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
KR100483775B1 (ko) | 2005-11-25 |
EP0779285A1 (de) | 1997-06-18 |
EP0779285B1 (de) | 1999-06-16 |
ATE181325T1 (de) | 1999-07-15 |
JPH09176145A (ja) | 1997-07-08 |
DE59602236D1 (de) | 1999-07-22 |
DE19547073C1 (de) | 1996-11-14 |
US5744618A (en) | 1998-04-28 |
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