CN1318382C - 丙酰乙酸乙酯的制备方法 - Google Patents
丙酰乙酸乙酯的制备方法 Download PDFInfo
- Publication number
- CN1318382C CN1318382C CNB2003101092553A CN200310109255A CN1318382C CN 1318382 C CN1318382 C CN 1318382C CN B2003101092553 A CNB2003101092553 A CN B2003101092553A CN 200310109255 A CN200310109255 A CN 200310109255A CN 1318382 C CN1318382 C CN 1318382C
- Authority
- CN
- China
- Prior art keywords
- ethyl ester
- acid ethyl
- ethanoyl
- add
- propionylacetic
- 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
Links
- 238000000034 method Methods 0.000 title claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Natural products CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 title description 8
- -1 propionyl ethyl Chemical group 0.000 title description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 39
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 26
- RZWZRACFZGVKFM-UHFFFAOYSA-N propanoyl chloride Chemical compound CCC(Cl)=O RZWZRACFZGVKFM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 27
- MBEMCNGCJQPXAH-UHFFFAOYSA-N ethyl 2-acetyl-3-oxopentanoate Chemical compound CCOC(=O)C(C(C)=O)C(=O)CC MBEMCNGCJQPXAH-UHFFFAOYSA-N 0.000 claims description 17
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 claims description 15
- 239000012074 organic phase Substances 0.000 claims description 14
- UDRCONFHWYGWFI-UHFFFAOYSA-N ethyl 3-oxopentanoate Chemical compound CCOC(=O)CC(=O)CC UDRCONFHWYGWFI-UHFFFAOYSA-N 0.000 claims description 13
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 10
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007859 condensation product Substances 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- LTMRRSWNXVJMBA-UHFFFAOYSA-L 2,2-diethylpropanedioate Chemical compound CCC(CC)(C([O-])=O)C([O-])=O LTMRRSWNXVJMBA-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 229960001701 chloroform Drugs 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229960005293 etodolac Drugs 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229960002337 magnesium chloride Drugs 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- YMHOBZXQZVXHBM-UHFFFAOYSA-N 2,5-dimethoxy-4-bromophenethylamine Chemical compound COC1=CC(CCN)=C(OC)C=C1Br YMHOBZXQZVXHBM-UHFFFAOYSA-N 0.000 description 1
- 238000005684 Liebig rearrangement reaction Methods 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 241000545067 Venus Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- XFBVBWWRPKNWHW-UHFFFAOYSA-N etodolac Chemical compound C1COC(CC)(CC(O)=O)C2=N[C]3C(CC)=CC=CC3=C21 XFBVBWWRPKNWHW-UHFFFAOYSA-N 0.000 description 1
- 229940073589 magnesium chloride anhydrous Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101092553A CN1318382C (zh) | 2003-12-10 | 2003-12-10 | 丙酰乙酸乙酯的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101092553A CN1318382C (zh) | 2003-12-10 | 2003-12-10 | 丙酰乙酸乙酯的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1626498A CN1626498A (zh) | 2005-06-15 |
CN1318382C true CN1318382C (zh) | 2007-05-30 |
Family
ID=34758910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101092553A Expired - Fee Related CN1318382C (zh) | 2003-12-10 | 2003-12-10 | 丙酰乙酸乙酯的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1318382C (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3142692A (en) * | 1961-03-29 | 1964-07-28 | Eastman Kodak Co | Preparation of beta-keto esters |
US5144057A (en) * | 1990-10-15 | 1992-09-01 | Lonza Ltd. | Process for the production of 3-oxocarboxylic acid esters |
US5194671A (en) * | 1991-05-23 | 1993-03-16 | Wacker-Chemie Gmbh | Process for the preparation of β-ketocarboxylic acid esters |
US5945559A (en) * | 1996-05-24 | 1999-08-31 | Takasago International Corporation | Process for producing 3-oxocarboxylic acid esters |
-
2003
- 2003-12-10 CN CNB2003101092553A patent/CN1318382C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3142692A (en) * | 1961-03-29 | 1964-07-28 | Eastman Kodak Co | Preparation of beta-keto esters |
US5144057A (en) * | 1990-10-15 | 1992-09-01 | Lonza Ltd. | Process for the production of 3-oxocarboxylic acid esters |
US5194671A (en) * | 1991-05-23 | 1993-03-16 | Wacker-Chemie Gmbh | Process for the preparation of β-ketocarboxylic acid esters |
US5945559A (en) * | 1996-05-24 | 1999-08-31 | Takasago International Corporation | Process for producing 3-oxocarboxylic acid esters |
Non-Patent Citations (5)
Title |
---|
b-酮酸酯合成法的改进 吴安心等,化学试剂,第20卷第6期 1998 * |
b-酮酸酯合成法的改进 吴安心等,化学试剂,第20卷第6期 1998;procedures for the acylations of diethyl malonate andethylacetoacetate with acid chlorides using tertiary aminebase andmagnesium chloride Michael W et al,J. Org. Chem.,Vol.50 1985;苯甲酰乙酸乙酯的合成 王钦军等,山东化工 1999;依托度酸合成工艺的实验研究 张治柳等,中国药业,第10卷第10期 2001 * |
procedures for the acylations of diethyl malonate andethylacetoacetate with acid chlorides using tertiary aminebase andmagnesium chloride Michael W et al,J. Org. Chem.,Vol.50 1985 * |
依托度酸合成工艺的实验研究 张治柳等,中国药业,第10卷第10期 2001 * |
苯甲酰乙酸乙酯的合成 王钦军等,山东化工 1999 * |
Also Published As
Publication number | Publication date |
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CN1626498A (zh) | 2005-06-15 |
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Owner name: SHANGHAI INST OF CHEMICAL REAGENT; SHANGHAI NEW S Free format text: FORMER OWNER: SHANGHAI INST OF CHEMICAL REAGENT Effective date: 20080829 |
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Effective date of registration: 20080829 Address after: No. 401 True North Road, Shanghai: 200333 Co-patentee after: Xinshanghua High MOlecular Material Co., Ltd., Shanghai Patentee after: Shanghai Institute of chemical reagents Address before: No. 401 True North Road, Shanghai: 200333 Patentee before: Shanghai Chemical Reagent Inst. |
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Granted publication date: 20070530 Termination date: 20121210 |