CN104478719B - 一种4-甲氧基乙酰乙酸甲酯的制备方法 - Google Patents
一种4-甲氧基乙酰乙酸甲酯的制备方法 Download PDFInfo
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- CN104478719B CN104478719B CN201510033422.3A CN201510033422A CN104478719B CN 104478719 B CN104478719 B CN 104478719B CN 201510033422 A CN201510033422 A CN 201510033422A CN 104478719 B CN104478719 B CN 104478719B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/31—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form
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- 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
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- 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
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
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- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
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CN201510033422.3A CN104478719B (zh) | 2015-01-23 | 2015-01-23 | 一种4-甲氧基乙酰乙酸甲酯的制备方法 |
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CN201510033422.3A CN104478719B (zh) | 2015-01-23 | 2015-01-23 | 一种4-甲氧基乙酰乙酸甲酯的制备方法 |
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CN104478719A CN104478719A (zh) | 2015-04-01 |
CN104478719B true CN104478719B (zh) | 2016-08-10 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105481694B (zh) * | 2015-12-04 | 2017-08-25 | 安徽华昌高科药业有限公司 | 一种4‑甲氧基乙酰乙酸乙酯的合成方法 |
CN105418420A (zh) * | 2015-12-04 | 2016-03-23 | 河南师范大学 | 一种4-甲氧基乙酰乙酸甲酯的合成方法 |
CN113831242A (zh) * | 2021-10-11 | 2021-12-24 | 瑞孚信江苏药业股份有限公司 | 一种4-甲氧基乙酰乙酸甲酯的制备方法 |
CN114213249B (zh) * | 2021-12-31 | 2023-09-01 | 瑞孚信江苏药业股份有限公司 | 一种度鲁特韦中间体的合成方法 |
CN114349635B (zh) * | 2021-12-31 | 2023-09-01 | 瑞孚信江苏药业股份有限公司 | 一种度鲁特韦核心中间体的合成方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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GB942664A (en) * | 1960-04-06 | 1963-11-27 | Director | Improved methods of producing dimethyl ª -ketoadipate and dimethyl ª -methyl ª -ketoadipate |
ATE11037T1 (de) * | 1981-10-01 | 1985-01-15 | Lonza Ag | Verfahren zur herstellung von 4alkoxyacetessigestern. |
DE69933526D1 (de) * | 1998-12-07 | 2006-11-23 | Takasago Perfumery Co Ltd | Verfahren zur Herstellung von optisch aktiven Oxazolidinonderivate |
CN1962683A (zh) * | 2006-12-18 | 2007-05-16 | 张文芳 | 聚乙二醇修饰的甾醇共聚物及其应用 |
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Effective date of registration: 20170704 Address after: 362216 Fujian city of Quanzhou province Jinjiang city Luoshan Street Building No. 1208 Aetna world city Patentee after: QUANZHOU ZHENMEI INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 453007 Xinxiang East Road, Makino District, Henan, No. 46 Patentee before: Henan Normal University |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Mao Longfei Inventor after: Chen Jiarui Inventor after: Li Wei Inventor after: Kou Lidong Inventor after: Jiang Yuqin Inventor after: Dong Wenpei Inventor after: Mao Along Inventor after: Chen Xiaohua Inventor after: Wan Zhong Inventor after: Li Debing Inventor before: Mao Longfei Inventor before: Li Wei Inventor before: Kou Lidong Inventor before: Jiang Yuqin Inventor before: Dong Wenpei Inventor before: Mao Along Inventor before: Chen Xiaohua Inventor before: Wan Zhong |
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Effective date of registration: 20170710 Address after: 528400 No. 63 Hongshan Road, Xiaolan Town, Guangdong, Zhongshan Patentee after: GUANGDONG XIANGSHANTANG PHARMACEUTICAL CO.,LTD. Address before: 362216 Fujian city of Quanzhou province Jinjiang city Luoshan Street Building No. 1208 Aetna world city Patentee before: QUANZHOU ZHENMEI INTELLIGENT TECHNOLOGY CO.,LTD. |
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Denomination of invention: A preparation method of methyl 4-methoxyacetoacetate Effective date of registration: 20200728 Granted publication date: 20160810 Pledgee: Haikou United Rural Commercial Bank Limited by Share Ltd. Pledgor: GUANGDONG XIANGSHANTANG PHARMACEUTICAL Co.,Ltd. Registration number: Y2020980004444 |
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Date of cancellation: 20210901 Granted publication date: 20160810 Pledgee: Haikou United Rural Commercial Bank Limited by Share Ltd. Pledgor: GUANGDONG XIANGSHANTANG PHARMACEUTICAL Co.,Ltd. Registration number: Y2020980004444 |
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Denomination of invention: A preparation method of methyl 4-methoxyacetoacetate Effective date of registration: 20210903 Granted publication date: 20160810 Pledgee: Haikou United Rural Commercial Bank Limited by Share Ltd. Pledgor: GUANGDONG XIANGSHANTANG PHARMACEUTICAL Co.,Ltd. Registration number: Y2021440000279 |
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Granted publication date: 20160810 Pledgee: Haikou United Rural Commercial Bank Limited by Share Ltd. Pledgor: GUANGDONG XIANGSHANTANG PHARMACEUTICAL CO.,LTD. Registration number: Y2021440000279 |