CN113603589A - 一种苯基丙二酸二乙酯的提纯方法 - Google Patents
一种苯基丙二酸二乙酯的提纯方法 Download PDFInfo
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- CN113603589A CN113603589A CN202110997937.0A CN202110997937A CN113603589A CN 113603589 A CN113603589 A CN 113603589A CN 202110997937 A CN202110997937 A CN 202110997937A CN 113603589 A CN113603589 A CN 113603589A
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- CN
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- Prior art keywords
- diethyl
- phenylmalonate
- diethyl phenylmalonate
- solution
- crude
- 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.)
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- FGYDHYCFHBSNPE-UHFFFAOYSA-N diethyl phenylmalonate Chemical compound CCOC(=O)C(C(=O)OCC)C1=CC=CC=C1 FGYDHYCFHBSNPE-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000155 melt Substances 0.000 claims abstract description 38
- 238000002425 crystallisation Methods 0.000 claims abstract description 37
- 230000008025 crystallization Effects 0.000 claims abstract description 36
- 239000012535 impurity Substances 0.000 claims abstract description 29
- 238000000746 purification Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000001953 recrystallisation Methods 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 26
- 239000012045 crude solution Substances 0.000 claims description 22
- JLIDRDJNLAWIKT-UHFFFAOYSA-N 1,2-dimethyl-3h-benzo[e]indole Chemical compound C1=CC=CC2=C(C(=C(C)N3)C)C3=CC=C21 JLIDRDJNLAWIKT-UHFFFAOYSA-N 0.000 claims description 19
- DULCUDSUACXJJC-UHFFFAOYSA-N benzeneacetic acid ethyl ester Natural products CCOC(=O)CC1=CC=CC=C1 DULCUDSUACXJJC-UHFFFAOYSA-N 0.000 claims description 19
- PKRVDBARWFJWEB-UHFFFAOYSA-N diethyl 2-ethyl-2-phenylpropanedioate Chemical compound CCOC(=O)C(CC)(C(=O)OCC)C1=CC=CC=C1 PKRVDBARWFJWEB-UHFFFAOYSA-N 0.000 claims description 19
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 47
- 239000007788 liquid Substances 0.000 description 20
- 239000013078 crystal Substances 0.000 description 10
- -1 diethyl carbonate carbonyl carbon Chemical compound 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000004817 gas chromatography Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- DDBREPKUVSBGFI-UHFFFAOYSA-N phenobarbital Chemical compound C=1C=CC=CC=1C1(CC)C(=O)NC(=O)NC1=O DDBREPKUVSBGFI-UHFFFAOYSA-N 0.000 description 3
- 229960002695 phenobarbital Drugs 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000000126 substance Substances 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZQJXONHYJFTWCL-UHFFFAOYSA-N [Na].C1(=CC=CC=C1)C(C(=O)OCC)C(=O)OCC Chemical compound [Na].C1(=CC=CC=C1)C(C(=O)OCC)C(=O)OCC ZQJXONHYJFTWCL-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- YFKBXYGUSOXJGS-UHFFFAOYSA-N 1,3-Diphenyl-2-propanone Chemical compound C=1C=CC=CC=1CC(=O)CC1=CC=CC=C1 YFKBXYGUSOXJGS-UHFFFAOYSA-N 0.000 description 1
- XUWSQRZZDCBBRF-UHFFFAOYSA-N 3-oxo-3-(2-phenylethoxy)propanoic acid Chemical compound OC(=O)CC(=O)OCCC1=CC=CC=C1 XUWSQRZZDCBBRF-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000001961 anticonvulsive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- LMFLGETWXFOVMQ-UHFFFAOYSA-N diethyl 2-(2-phenylethyl)propanedioate Chemical compound CCOC(=O)C(C(=O)OCC)CCC1=CC=CC=C1 LMFLGETWXFOVMQ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000932 sedative agent Substances 0.000 description 1
- 230000001624 sedative effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
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CN113603589A true CN113603589A (zh) | 2021-11-05 |
CN113603589B CN113603589B (zh) | 2024-07-19 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713141B1 (ko) * | 2006-09-01 | 2007-05-02 | 한국화학연구원 | 경막 용융결정화에 의한 디메틸 카보네이트의 분리방법 |
CN101633619A (zh) * | 2009-08-13 | 2010-01-27 | 江苏森萱医药化工有限公司 | 一种高纯度苯基丙二酸二乙酯的纯化方法 |
CN109134310A (zh) * | 2018-10-19 | 2019-01-04 | 天津科技大学 | 层式熔融结晶制备高纯苯胺基乙腈的方法 |
-
2021
- 2021-08-27 CN CN202110997937.0A patent/CN113603589B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713141B1 (ko) * | 2006-09-01 | 2007-05-02 | 한국화학연구원 | 경막 용융결정화에 의한 디메틸 카보네이트의 분리방법 |
CN101633619A (zh) * | 2009-08-13 | 2010-01-27 | 江苏森萱医药化工有限公司 | 一种高纯度苯基丙二酸二乙酯的纯化方法 |
CN109134310A (zh) * | 2018-10-19 | 2019-01-04 | 天津科技大学 | 层式熔融结晶制备高纯苯胺基乙腈的方法 |
Non-Patent Citations (1)
Title |
---|
曾志, 林富钦: "苯基丙二酸二乙酯的合成新方法", 精细化工中间体, no. 02, pages 38 - 39 * |
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Country or region after: China Address after: 257503 No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province Applicant after: Shi Dashenghua New Materials Group Co.,Ltd. Address before: 257503 No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province Applicant before: Shenghua New Material Group Co.,Ltd. Country or region before: China |
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