CN109912446A - 一种具有短棒状形貌的n,2,3-三甲基-2-异丙基丁酰胺晶体及其结晶工艺 - Google Patents
一种具有短棒状形貌的n,2,3-三甲基-2-异丙基丁酰胺晶体及其结晶工艺 Download PDFInfo
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- CN109912446A CN109912446A CN201910174743.3A CN201910174743A CN109912446A CN 109912446 A CN109912446 A CN 109912446A CN 201910174743 A CN201910174743 A CN 201910174743A CN 109912446 A CN109912446 A CN 109912446A
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- CN
- China
- Prior art keywords
- crystal
- trimethyl
- crystallization
- butanamide
- isopropylbutanamide
- 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.)
- Granted
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- 239000013078 crystal Substances 0.000 title claims abstract description 78
- 238000002425 crystallisation Methods 0.000 title claims abstract description 65
- 230000008025 crystallization Effects 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 43
- 241000186216 Corynebacterium Species 0.000 title claims abstract description 11
- RWAXQWRDVUOOGG-UHFFFAOYSA-N N,2,3-Trimethyl-2-(1-methylethyl)butanamide Chemical compound CNC(=O)C(C)(C(C)C)C(C)C RWAXQWRDVUOOGG-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012046 mixed solvent Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 238000005054 agglomeration Methods 0.000 abstract description 6
- 230000002776 aggregation Effects 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 17
- 230000002269 spontaneous effect Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- DNSISZSEWVHGLH-UHFFFAOYSA-N butanamide Chemical compound CCCC(N)=O DNSISZSEWVHGLH-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- XSQHUYDRSDBCHN-UHFFFAOYSA-N 2,3-dimethyl-2-propan-2-ylbutanenitrile Chemical compound CC(C)C(C)(C#N)C(C)C XSQHUYDRSDBCHN-UHFFFAOYSA-N 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 235000019658 bitter taste Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940112822 chewing gum Drugs 0.000 description 1
- 235000015218 chewing gum Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 235000015094 jam Nutrition 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013622 meat product Nutrition 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
编号 | 结块率(%) | 长径比 |
市售WS-23 | 3.92 | 23.77 |
对比例1 | 3.75 | 22.21 |
对比例2 | 3.55 | 19.37 |
对比例3 | 3.30 | 18.29 |
实施例1 | 1.27 | 4.71 |
实施例2 | 2.30 | 8.63 |
实施例3 | 1.3 | 5.13 |
实施例4 | 2.18 | 8.12 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910174743.3A CN109912446B (zh) | 2019-03-08 | 2019-03-08 | 一种具有短棒状形貌的n,2,3-三甲基-2-异丙基丁酰胺晶体及其结晶工艺 |
Applications Claiming Priority (1)
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CN201910174743.3A CN109912446B (zh) | 2019-03-08 | 2019-03-08 | 一种具有短棒状形貌的n,2,3-三甲基-2-异丙基丁酰胺晶体及其结晶工艺 |
Publications (2)
Publication Number | Publication Date |
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CN109912446A true CN109912446A (zh) | 2019-06-21 |
CN109912446B CN109912446B (zh) | 2022-04-19 |
Family
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CN201910174743.3A Active CN109912446B (zh) | 2019-03-08 | 2019-03-08 | 一种具有短棒状形貌的n,2,3-三甲基-2-异丙基丁酰胺晶体及其结晶工艺 |
Country Status (1)
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CN (1) | CN109912446B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116003278A (zh) * | 2023-01-17 | 2023-04-25 | 南通醋酸化工股份有限公司 | 一种降低2,5-二甲氧基-4-氯乙酰乙酰苯胺晶体结块工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102273733A (zh) * | 2010-06-08 | 2011-12-14 | 湖北中烟工业有限责任公司 | 用于滤嘴棒的烟用甜味清凉剂缓释胶丸 |
CN106220524A (zh) * | 2016-08-08 | 2016-12-14 | 安徽丰乐香料有限责任公司 | 一种工业上提高n,2,3‑三甲基‑2‑异丙基丁酰胺生产效率的方法 |
CN107235855A (zh) * | 2017-05-27 | 2017-10-10 | 安徽中草香料股份有限公司 | 无副产物生成的n,2,3‑三甲基‑2‑异丙基丁酰胺合成及提纯工艺 |
-
2019
- 2019-03-08 CN CN201910174743.3A patent/CN109912446B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102273733A (zh) * | 2010-06-08 | 2011-12-14 | 湖北中烟工业有限责任公司 | 用于滤嘴棒的烟用甜味清凉剂缓释胶丸 |
CN106220524A (zh) * | 2016-08-08 | 2016-12-14 | 安徽丰乐香料有限责任公司 | 一种工业上提高n,2,3‑三甲基‑2‑异丙基丁酰胺生产效率的方法 |
CN107235855A (zh) * | 2017-05-27 | 2017-10-10 | 安徽中草香料股份有限公司 | 无副产物生成的n,2,3‑三甲基‑2‑异丙基丁酰胺合成及提纯工艺 |
Non-Patent Citations (2)
Title |
---|
刘卫东等: "合成凉味剂WS-23 母液残液的回收处理", 《安徽化工》 * |
宋渊主编: "《发酵工程》", 30 April 2017 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116003278A (zh) * | 2023-01-17 | 2023-04-25 | 南通醋酸化工股份有限公司 | 一种降低2,5-二甲氧基-4-氯乙酰乙酰苯胺晶体结块工艺 |
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Address after: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee after: Institute of biological and medical engineering, Guangdong Academy of Sciences Address before: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee before: Institute of bioengineering, Guangdong Academy of Sciences |
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Address after: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee after: Institute of bioengineering, Guangdong Academy of Sciences Address before: 510316, 10, pomegranate Road, Guangzhou, Guangdong, Haizhuqu District Patentee before: GUANGDONG PROVINCIAL BIOENGINEERING INSTITUTE (GUANGZHOU SUGARCANE INDUSTRY RESEARCH INSTITUTE) |