CN105646338B - 一种罗氟司特的制备方法 - Google Patents
一种罗氟司特的制备方法 Download PDFInfo
- Publication number
- CN105646338B CN105646338B CN201610136234.8A CN201610136234A CN105646338B CN 105646338 B CN105646338 B CN 105646338B CN 201610136234 A CN201610136234 A CN 201610136234A CN 105646338 B CN105646338 B CN 105646338B
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- CN
- China
- Prior art keywords
- reaction
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- roflumilast
- cyclopropylmethoxy
- difluoromethoxybenzoacid
- 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
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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
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610136234.8A CN105646338B (zh) | 2016-03-10 | 2016-03-10 | 一种罗氟司特的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610136234.8A CN105646338B (zh) | 2016-03-10 | 2016-03-10 | 一种罗氟司特的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN105646338A CN105646338A (zh) | 2016-06-08 |
CN105646338B true CN105646338B (zh) | 2018-03-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610136234.8A Expired - Fee Related CN105646338B (zh) | 2016-03-10 | 2016-03-10 | 一种罗氟司特的制备方法 |
Country Status (1)
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CN (1) | CN105646338B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102336705A (zh) * | 2011-10-28 | 2012-02-01 | 成都苑东药业有限公司 | 一种制备n-(3,5-二氯吡啶-4-基)-3-环丙基甲氧基-4-二氟甲氧基苯甲酰胺的方法 |
CN102838533A (zh) * | 2012-09-24 | 2012-12-26 | 北京德众万全医药科技有限公司 | 一种罗氟司特的制备方法及其关键中间体 |
CN103539671A (zh) * | 2012-07-17 | 2014-01-29 | 北京万生药业有限责任公司 | 一种制备罗氟司特中间体的方法 |
CN104163793A (zh) * | 2014-07-22 | 2014-11-26 | 山东省医学科学院药物研究所 | 一种罗氟司特的制备方法 |
CN105254559A (zh) * | 2015-11-30 | 2016-01-20 | 山东罗欣药业集团股份有限公司 | 一种高纯度罗氟司特的制备方法 |
-
2016
- 2016-03-10 CN CN201610136234.8A patent/CN105646338B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102336705A (zh) * | 2011-10-28 | 2012-02-01 | 成都苑东药业有限公司 | 一种制备n-(3,5-二氯吡啶-4-基)-3-环丙基甲氧基-4-二氟甲氧基苯甲酰胺的方法 |
CN103539671A (zh) * | 2012-07-17 | 2014-01-29 | 北京万生药业有限责任公司 | 一种制备罗氟司特中间体的方法 |
CN102838533A (zh) * | 2012-09-24 | 2012-12-26 | 北京德众万全医药科技有限公司 | 一种罗氟司特的制备方法及其关键中间体 |
CN104163793A (zh) * | 2014-07-22 | 2014-11-26 | 山东省医学科学院药物研究所 | 一种罗氟司特的制备方法 |
CN105254559A (zh) * | 2015-11-30 | 2016-01-20 | 山东罗欣药业集团股份有限公司 | 一种高纯度罗氟司特的制备方法 |
Non-Patent Citations (1)
Title |
---|
Efficient amide formation from arylamines and esters promoted by AlCl3/Et3N: an experimental and computational investigation;Xinli Tong,et al.;《Res Chem Intermed》;20120306;第38卷;1961-1968 * |
Also Published As
Publication number | Publication date |
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CN105646338A (zh) | 2016-06-08 |
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SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Zhaohui Inventor after: Chen Yuming Inventor after: Duan Yong Inventor after: Duan Ruixiang Inventor before: He Baohong |
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CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20180205 Address after: 266555 Huangpu Road 7, Huangdao District, Shandong, Qingdao Applicant after: Yang Zhaohui Address before: Qingdao City, Shandong province 266000 flood ditch cleaning village 106 2 Applicant before: Chen Hong |
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