CN101987840A - 一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 - Google Patents
一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 Download PDFInfo
- Publication number
- CN101987840A CN101987840A CN2009100891664A CN200910089166A CN101987840A CN 101987840 A CN101987840 A CN 101987840A CN 2009100891664 A CN2009100891664 A CN 2009100891664A CN 200910089166 A CN200910089166 A CN 200910089166A CN 101987840 A CN101987840 A CN 101987840A
- Authority
- CN
- China
- Prior art keywords
- sodium
- ether
- methyl
- furanone
- hydroxy
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D307/58—One oxygen atom, e.g. butenolide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100891664A CN101987840B (zh) | 2009-08-05 | 2009-08-05 | 一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 |
PCT/CN2010/075274 WO2011015101A1 (zh) | 2009-08-05 | 2010-07-20 | 一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100891664A CN101987840B (zh) | 2009-08-05 | 2009-08-05 | 一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101987840A true CN101987840A (zh) | 2011-03-23 |
CN101987840B CN101987840B (zh) | 2012-07-25 |
Family
ID=43543917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100891664A Active CN101987840B (zh) | 2009-08-05 | 2009-08-05 | 一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101987840B (zh) |
WO (1) | WO2011015101A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012155796A1 (zh) | 2011-05-13 | 2012-11-22 | 重庆华邦胜凯制药有限公司 | 一种定向合成维甲酸类化合物的方法 |
CN105330628A (zh) * | 2015-12-09 | 2016-02-17 | 苏州大学 | 一种利用酮酸与炔制备4-羟基丁烯内酯的方法 |
CN110563676A (zh) * | 2019-08-15 | 2019-12-13 | 安徽金禾实业股份有限公司 | 2,5-二甲基-4-羟基-3(2h)-呋喃酮的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19510473A1 (de) * | 1995-03-27 | 1996-10-02 | Basf Ag | Verfahren zur Herstellung von 5-Hydroxy-4-methyl-2(5H)-furanon |
JPH10298173A (ja) * | 1997-04-30 | 1998-11-10 | Kuraray Co Ltd | 4−ヒドロキシ−2−ブテノリド類の製造方法 |
-
2009
- 2009-08-05 CN CN2009100891664A patent/CN101987840B/zh active Active
-
2010
- 2010-07-20 WO PCT/CN2010/075274 patent/WO2011015101A1/zh active Application Filing
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012155796A1 (zh) | 2011-05-13 | 2012-11-22 | 重庆华邦胜凯制药有限公司 | 一种定向合成维甲酸类化合物的方法 |
US8835680B1 (en) | 2011-05-13 | 2014-09-16 | Chongqing Huabangshengkai Pharm. Co., Ltd. | Stereospecific synthesis process for tretinoin compounds |
CN105330628A (zh) * | 2015-12-09 | 2016-02-17 | 苏州大学 | 一种利用酮酸与炔制备4-羟基丁烯内酯的方法 |
CN105330628B (zh) * | 2015-12-09 | 2021-10-26 | 苏州大学 | 一种利用酮酸与炔制备4-羟基丁烯内酯的方法 |
CN110563676A (zh) * | 2019-08-15 | 2019-12-13 | 安徽金禾实业股份有限公司 | 2,5-二甲基-4-羟基-3(2h)-呋喃酮的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101987840B (zh) | 2012-07-25 |
WO2011015101A1 (zh) | 2011-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103058842A (zh) | 一种龙涎酮的制备方法 | |
KR20110073593A (ko) | 감마-델타-불포화 케톤의 제조 방법 | |
CN109232178B (zh) | 制备高纯度羟基酪醇的新方法 | |
CN101987840B (zh) | 一种5-羟基-4-甲基-2-5[h]-呋喃酮的分离方法 | |
CN102702143B (zh) | 2-乙酰呋喃的制备方法 | |
CN104292122B (zh) | 在n-乙酰乙酰苯胺的生产中减少副产物3-(苯基氨基)-2-丁烯酸乙酯生成的方法 | |
CN104529935B (zh) | 2‑(3‑醛基‑4‑异丁氧基苯基)‑4‑甲基噻唑‑5‑甲酸乙酯的合成方法 | |
CN104326989B (zh) | 2-甲基-4-氨基-5-(氨基甲基)嘧啶的制备方法 | |
CN102603571B (zh) | 一种2,4-二氯-3-氰基-5-氟苯甲酸的制备方法 | |
RU2568439C1 (ru) | Способ получения терефталевого альдегида | |
CN101775029A (zh) | 烷基取代苯硼酸的简便合成方法 | |
CN107382640B (zh) | β-芳基苯丙酮类化合物的合成方法 | |
CN105132191A (zh) | 一种用固体酸催化法制备生物柴油的方法 | |
CN104151161B (zh) | 一种2-(2-烯丙基)戊烯-4-酸甲酯的制备方法 | |
CN102942470A (zh) | 医药级正戊酰氯的生产工艺 | |
Naik et al. | A simple and efficient protocol for the synthesis of substituted comarins catalyzed by stannic (IV) chloride under solvent-free condition | |
CN104591939B (zh) | 一种制备联苯基丙烯酸醚类化合物的方法 | |
CN103408418A (zh) | 固体丙二酸的制备及提纯方法 | |
CN103086977A (zh) | 一种制备2-乙基-4-甲基咪唑的方法 | |
CN102558071A (zh) | 一种戊硫代巴比妥(硫喷妥羧酸,(+/-)-thiopental)的合成方法 | |
CN101665427B (zh) | 5-溴正戊酰溴的制法 | |
CN109503531B (zh) | 一种苯并呋喃类化合物的制备方法 | |
CN107903280B (zh) | 一种酰芳基硼酸化合物的合成方法 | |
RU2277533C1 (ru) | Способ получения 2-пропионил-5-метилфурана | |
CN109096047B (zh) | 一种(1r)-1,3-二苯基-1-丙醇的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHONGQING HUAPONT PHARMACEUTICAL CO., LTD. Free format text: FORMER OWNER: HUABANG PHARMACEUTICAL CO., LTD., CHONGQING Effective date: 20130217 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130217 Address after: 401121 Chongqing, Yubei District and the number of stars Avenue, No. 69 Patentee after: Chongqing Huapont Pharm. Co., Ltd. Address before: 401121 Chongqing, Yubei District and the number of stars Avenue, No. 69 Patentee before: Huabang Pharmaceutical Co., Ltd., Chongqing |