CN101570538A - 一种西他列汀中间体的制备方法 - Google Patents
一种西他列汀中间体的制备方法 Download PDFInfo
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- CN101570538A CN101570538A CNA2008100367922A CN200810036792A CN101570538A CN 101570538 A CN101570538 A CN 101570538A CN A2008100367922 A CNA2008100367922 A CN A2008100367922A CN 200810036792 A CN200810036792 A CN 200810036792A CN 101570538 A CN101570538 A CN 101570538A
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- sitagliptin
- ethyl acetate
- tetrahydrochysene
- intermediates preparation
- preparation according
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- 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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- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
溶剂 | 乙酸乙酯 | 乙腈 | 甲醇 | 产物ee值% | 产率% |
百分比% | 100 | 0 | 0 | 92 | 86 |
98 | 2 | 0 | 94 | 89 | |
95 | 4 | 1 | 94 | 92 | |
91.46 | 6.71 | 1.83 | 97 | 87 | |
90 | 8 | 2 | 93 | 88 | |
85 | 11 | 4 | 91 | 83 | |
80 | 14 | 6 | 85 | 89 |
过滤温度℃ | 50 | 40 | 35 | 32 | 30 | 25 | 20 | 10 | 0 |
结晶后g(结晶前100g) | 22 | 27 | 38 | 41 | 49 | 56 | 68 | 81 | 91 |
ee值% | 98 | 97 | 97 | 97 | 94 | 81 | 65 | 58 | 53 |
产率% | 44 | 54 | 76 | 82 | 98 | 无意义 | 无意义 | 无意义 | 无意义 |
Claims (7)
Priority Applications (1)
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CN2008100367922A CN101570538B (zh) | 2008-04-29 | 2008-04-29 | 一种西他列汀中间体的制备方法 |
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CN2008100367922A CN101570538B (zh) | 2008-04-29 | 2008-04-29 | 一种西他列汀中间体的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN101570538A true CN101570538A (zh) | 2009-11-04 |
CN101570538B CN101570538B (zh) | 2011-04-20 |
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CN2008100367922A Active CN101570538B (zh) | 2008-04-29 | 2008-04-29 | 一种西他列汀中间体的制备方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114853674A (zh) * | 2022-04-26 | 2022-08-05 | 浙江安贝特药业有限公司 | 一种医药中间体1,4,5,6-四氢-3-环戊并吡唑甲腈的生产方法 |
WO2022188501A1 (zh) * | 2021-03-09 | 2022-09-15 | 台州市生物医化产业研究院有限公司 | 一种乙酰麦氏酸衍生物降解废弃物的回收利用方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004085661A2 (en) * | 2003-03-24 | 2004-10-07 | Merck & Co., Inc | Process to chiral beta-amino acid derivatives |
WO2004087650A2 (en) * | 2003-03-27 | 2004-10-14 | Merck & Co. Inc. | Process and intermediates for the preparation of beta-amino acid amide dipeptidyl peptidase-iv inhibitors |
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2008
- 2008-04-29 CN CN2008100367922A patent/CN101570538B/zh active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022188501A1 (zh) * | 2021-03-09 | 2022-09-15 | 台州市生物医化产业研究院有限公司 | 一种乙酰麦氏酸衍生物降解废弃物的回收利用方法 |
CN114853674A (zh) * | 2022-04-26 | 2022-08-05 | 浙江安贝特药业有限公司 | 一种医药中间体1,4,5,6-四氢-3-环戊并吡唑甲腈的生产方法 |
CN114853674B (zh) * | 2022-04-26 | 2024-02-02 | 浙江安贝特药业有限公司 | 一种医药中间体1,4,5,6-四氢-3-环戊并吡唑甲腈的生产方法 |
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