CN1227239C - 取代噁唑的制备方法 - Google Patents
取代噁唑的制备方法 Download PDFInfo
- Publication number
- CN1227239C CN1227239C CNB021254060A CN02125406A CN1227239C CN 1227239 C CN1227239 C CN 1227239C CN B021254060 A CNB021254060 A CN B021254060A CN 02125406 A CN02125406 A CN 02125406A CN 1227239 C CN1227239 C CN 1227239C
- Authority
- CN
- China
- Prior art keywords
- formula
- alkoxyl group
- tower
- substituted
- reactor
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
- C07D213/66—One oxygen atom attached in position 3 or 5 having in position 3 an oxygen atom and in each of the positions 4 and 5 a carbon atom bound to an oxygen, sulphur, or nitrogen atom, e.g. pyridoxal
- C07D213/67—2-Methyl-3-hydroxy-4,5-bis(hydroxy-methyl)pyridine, i.e. pyridoxine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D263/34—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings 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
- C07D263/36—One oxygen atom
- C07D263/42—One oxygen atom attached in position 5
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10137480A DE10137480A1 (de) | 2001-08-03 | 2001-08-03 | Verfahren zur Herstellung von substituierten Oxazolen |
DE10137480.1 | 2001-08-03 | ||
DE10209446A DE10209446A1 (de) | 2002-03-05 | 2002-03-05 | Verfahren zur Herstellung von substituierten Oxazolen |
DE10209446.2 | 2002-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1405158A CN1405158A (zh) | 2003-03-26 |
CN1227239C true CN1227239C (zh) | 2005-11-16 |
Family
ID=26009838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021254060A Expired - Fee Related CN1227239C (zh) | 2001-08-03 | 2002-08-05 | 取代噁唑的制备方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030050479A1 (zh) |
EP (1) | EP1281703B1 (zh) |
CN (1) | CN1227239C (zh) |
AT (1) | ATE287877T1 (zh) |
DE (1) | DE50202096D1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE384706T1 (de) * | 2001-08-03 | 2008-02-15 | Basf Ag | Verfahren zur kontinuierlichen herstellung von substituierten oxazolen |
CN102898395B (zh) * | 2011-07-24 | 2015-03-11 | 大丰海嘉诺药业有限公司 | 一种制备4-甲基-5-正丁氧基噁唑的方法 |
CN103435568B (zh) * | 2013-08-30 | 2015-05-13 | 大丰海嘉诺药业有限公司 | 一种4-甲基-5-乙氧基噁唑酸乙酯的制备方法 |
BE1030125B1 (nl) * | 2021-12-28 | 2023-07-26 | De Neef Chemical Proc N V | Batch-destillatiewerkwijze en batch-destillatiekolom met zij-afvoerpunt |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5420493B1 (zh) * | 1970-06-06 | 1979-07-23 | ||
SU681057A1 (ru) * | 1977-03-02 | 1979-08-25 | Всесоюзный Научно-Исследовательский Витаминный Институт | Способ получени 4-метил-5-пропоксиоксазола |
-
2002
- 2002-07-25 AT AT02016604T patent/ATE287877T1/de not_active IP Right Cessation
- 2002-07-25 EP EP02016604A patent/EP1281703B1/de not_active Expired - Lifetime
- 2002-07-25 DE DE50202096T patent/DE50202096D1/de not_active Expired - Lifetime
- 2002-08-01 US US10/209,529 patent/US20030050479A1/en not_active Abandoned
- 2002-08-05 CN CNB021254060A patent/CN1227239C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1281703A1 (de) | 2003-02-05 |
US20030050479A1 (en) | 2003-03-13 |
ATE287877T1 (de) | 2005-02-15 |
DE50202096D1 (de) | 2005-03-03 |
EP1281703B1 (de) | 2005-01-26 |
CN1405158A (zh) | 2003-03-26 |
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C06 | Publication | ||
PB01 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DSM IP ASSET CO., LTD. Free format text: FORMER OWNER: BASF AKTIENGESELLCHAFT Effective date: 20100324 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: LUDWIGSHAFEN PORT, FEDERAL REPUBLIC OF GERMANY TO: HEERLEN, NETHERLANDS |
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TR01 | Transfer of patent right |
Effective date of registration: 20100324 Address after: Holland Heerlen Patentee after: DSM IP Assets Limited Address before: Ludwigshafen, Federal Republic of Germany Patentee before: Basf AG |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20180805 |
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CF01 | Termination of patent right due to non-payment of annual fee |