CN102643211A - Preparation method of p-Nitrobenzyl 2-diazoacetoacetate - Google Patents
Preparation method of p-Nitrobenzyl 2-diazoacetoacetate Download PDFInfo
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- CN102643211A CN102643211A CN2012101024521A CN201210102452A CN102643211A CN 102643211 A CN102643211 A CN 102643211A CN 2012101024521 A CN2012101024521 A CN 2012101024521A CN 201210102452 A CN201210102452 A CN 201210102452A CN 102643211 A CN102643211 A CN 102643211A
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CN2012101024521A CN102643211A (en) | 2012-04-10 | 2012-04-10 | Preparation method of p-Nitrobenzyl 2-diazoacetoacetate |
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CN2012101024521A CN102643211A (en) | 2012-04-10 | 2012-04-10 | Preparation method of p-Nitrobenzyl 2-diazoacetoacetate |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105906529A (en) * | 2016-06-07 | 2016-08-31 | 江西富祥药业股份有限公司 | 4-halogenated-2-diazo-3-oxo-valeric acid(4-nitrobenzene)methyl ester and preparation method thereof |
CN107556212A (en) * | 2017-09-14 | 2018-01-09 | 台州昌霖化工科技有限公司 | A kind of method for preparing 2 diazonium p-nitrobenzyl acetoacetates |
CN113292436A (en) * | 2021-06-18 | 2021-08-24 | 蒲鹏 | Method for preparing 2-diazo-acetoacetic acid p-nitrobenzyl ester by using microchannel reactor |
CN113880726A (en) * | 2021-10-14 | 2022-01-04 | 南昌大学 | Method for efficiently synthesizing diazo compound |
CN114516820A (en) * | 2022-02-25 | 2022-05-20 | 山东艾孚特科技有限公司 | Method for preparing 2-diazo-acetoacetic acid p-nitrobenzyl ester |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4683296A (en) * | 1983-03-07 | 1987-07-28 | Bristol-Myers Company | Carbapenem intermediates |
US5340927A (en) * | 1989-07-18 | 1994-08-23 | Merck & Co., Inc. | Process for the preparation of 2-diazo-3-trisubstituted silyloxy 3-butenoates |
CN101570537A (en) * | 2009-06-18 | 2009-11-04 | 浙江师范大学 | Preparation method of panipenem |
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2012
- 2012-04-10 CN CN2012101024521A patent/CN102643211A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4683296A (en) * | 1983-03-07 | 1987-07-28 | Bristol-Myers Company | Carbapenem intermediates |
US5340927A (en) * | 1989-07-18 | 1994-08-23 | Merck & Co., Inc. | Process for the preparation of 2-diazo-3-trisubstituted silyloxy 3-butenoates |
CN101570537A (en) * | 2009-06-18 | 2009-11-04 | 浙江师范大学 | Preparation method of panipenem |
Non-Patent Citations (3)
Title |
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方惠珍,等: "帕尼培南的合成工艺改进", 《中国药物化学杂志》, vol. 21, no. 3, 30 June 2011 (2011-06-30), pages 216 - 219 * |
王其军,等: "帕尼培南-倍他米隆的合成研究", 《浙江化工》, vol. 41, no. 1, 31 December 2010 (2010-12-31) * |
王淑娟,等: "2-重氮乙酰乙酸对硝基苄酯的合成", 《精细化工中间体》, vol. 37, no. 2, 30 April 2007 (2007-04-30), pages 37 - 38 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105906529A (en) * | 2016-06-07 | 2016-08-31 | 江西富祥药业股份有限公司 | 4-halogenated-2-diazo-3-oxo-valeric acid(4-nitrobenzene)methyl ester and preparation method thereof |
CN107556212A (en) * | 2017-09-14 | 2018-01-09 | 台州昌霖化工科技有限公司 | A kind of method for preparing 2 diazonium p-nitrobenzyl acetoacetates |
CN107556212B (en) * | 2017-09-14 | 2020-03-24 | 台州昌霖化工科技有限公司 | Method for preparing 2-diazo-acetoacetic acid p-nitrobenzyl ester |
CN113292436A (en) * | 2021-06-18 | 2021-08-24 | 蒲鹏 | Method for preparing 2-diazo-acetoacetic acid p-nitrobenzyl ester by using microchannel reactor |
CN113292436B (en) * | 2021-06-18 | 2023-04-18 | 蒲鹏 | Method for preparing 2-diazo-acetoacetic acid p-nitrobenzyl ester by using microchannel reactor |
CN113880726A (en) * | 2021-10-14 | 2022-01-04 | 南昌大学 | Method for efficiently synthesizing diazo compound |
CN114516820A (en) * | 2022-02-25 | 2022-05-20 | 山东艾孚特科技有限公司 | Method for preparing 2-diazo-acetoacetic acid p-nitrobenzyl ester |
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C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Lingling Inventor after: Zhou Chengkun Inventor after: Cheng Jinhua Inventor after: Guo Jinghong Inventor after: Hou Yongtao Inventor after: Li Guoqiang Inventor before: Zhou Chengkun Inventor before: Cheng Jinhua Inventor before: Guo Jinghong Inventor before: Hou Yongtao Inventor before: Li Guoqiang |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHOU CHENGKUN CHENG JINHUA GUO JINGHONG HOU YONGTAO LI GUOQIANG TO: LI LINGLING ZHOU CHENGKUN CHENG JINHUA GUO JINGHONG HOU YONGTAO LI GUOQIANG |
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C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120822 |