WO2005012322A1 - エリスロマイシンa 11,12−サイクリックカーボネートの製造方法 - Google Patents
エリスロマイシンa 11,12−サイクリックカーボネートの製造方法 Download PDFInfo
- Publication number
- WO2005012322A1 WO2005012322A1 PCT/JP2004/011150 JP2004011150W WO2005012322A1 WO 2005012322 A1 WO2005012322 A1 WO 2005012322A1 JP 2004011150 W JP2004011150 W JP 2004011150W WO 2005012322 A1 WO2005012322 A1 WO 2005012322A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- erythromycin
- carbonate
- cyclic carbonate
- reaction
- comparative example
- 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.)
- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H17/00—Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
- C07H17/04—Heterocyclic radicals containing only oxygen as ring hetero atoms
- C07H17/08—Hetero rings containing eight or more ring members, e.g. erythromycins
Definitions
- the present invention relates to a method for producing erythromycin A 11, 12-cyclic carbonate.
- clarithromycin second generation macrolide antimicrobial agent typified by clarithromycin Ya Ajisuromaishin is appeared in the early 1990s E, due to its superior therapeutic effects are now widely clinical field as Osamu Ryoyaku respiratory infections Used in.
- Osamu Ryoyaku respiratory infections Used in.
- penicillin and erythromycin resistant bacteria has become a major therapeutic problem in the respiratory tract infection area, and the development of new macrolide antibiotics having strong activity against these resistant bacteria has been actively promoted. Have been.
- erythromycin A 11, 12-cyclic carbonate derivative, 3_ ⁇ _ (3-pyridyl) -acetyl-5-0-desosaminyl 9-dihydroerythronolide A 6,9; 11,12-dicylic Patent Document 1 discloses click carbonate as a compound having the above-mentioned resistant bacterium activity.
- Patent Document 2 discloses the reaction conditions (potassium carbonate in toluene solvent) at 40 ° C. for 6 days, and the yield is only 24%.
- Patent Document 3 a target product is obtained by performing a reaction at a boiling temperature using a large amount of potassium carbonate in a benzene solvent. Furthermore, in this reaction, due to the presence of a large amount of base and the high reaction temperature, the target product undergoes a decarboxylation reaction to produce 10,11-anhydroerythromycin A as a by-product, thereby reducing the yield. As a result, the isolation of the target product is complicated.
- Patent document 1 International publication W098 / 13373 pamphlet
- Patent document 2 International publication WO02 / 14339 pamphlet
- Patent Document 3 US Patent No. 3417077
- An object of the present invention is to provide a method for efficiently producing erythromycin A 11, 12-cyclic carbonate.
- the inventors of the present invention have conducted intensive studies and as a result, when a certain kind of base is used in combination with a certain kind of base in a certain kind of ether solvent, an efficient isolation operation is not required.
- the present inventors have found that erythromycin A 11, 12-cyclic carbonate can be produced, and have completed the present invention.
- the present invention provides a reaction formula
- erythromycin A (I-drug compound (1)) to be represented by the formula (1) is also different from the method for producing erythromycin A 11,12-cyclic carbonate (compound (II)).
- Erythromycin A 11, 12-cyclic characterized by reacting erythromycin A with ethylene carbonate and cesium carbonate in one or more solvents selected from getyl ether, diisopropyl ether and t-butyl methyl ether A method for producing a carbonate is provided.
- the production method of the present invention provides an efficient erythromycin A without the need for complicated isolation operations.
- Erythromycin A is dissolved in toluene, etc., the insoluble matter is removed by filtration, concentrated under reduced pressure, and the residue is dissolved in one or more solvents selected from getyl ether, diisopropyl ether and t-butyl methyl ether. Ethylene carbonate and cesium carbonate are dried and reacted, and the precipitated crystals are collected by filtration and washed to produce erythromycin A 11, 12-cyclic carbonate. As a solvent, getyl ether or diisopropyl ether is preferable.
- Erythromycin A (294 g, 0.40 mol) was dissolved in toluene (1470 mL), the insoluble material was removed by filtration, and the mixture was concentrated under reduced pressure. The residue was dissolved in 2900 mL of diisopropyl ether, and 53.0 g (0.60 mol) of ethylene carbonate and 65.5 g (0.20 mol) of cesium carbonate were added. The mixture was stirred at room temperature for 20 hours. The precipitated crystals were collected by filtration and washed with 1500 mL of water. The obtained crystals were dried with hot air at 50 ° C. to obtain 206 g (yield: 68%) of erythromycin A 11, 12-cyclic carbonate.
- Erythromycin A (73.39 g, 0.10 mmol) was dissolved in 367 mL (5 mL / g) of toluene by heating, a trace amount of insoluble matter was removed by filtration, and the mixture was concentrated under reduced pressure. As a residue, 74.27 g of a colorless amorphous (containing a trace amount of Tonolen) was obtained. 743 mg (l. 00) of this amorphous
- the reaction was carried out in substantially the same manner as in Example 1 except that the reaction solvent was changed in various ways, and the formation of erythromycin A 11,12-cyclic carbonate was monitored by thin-layer chromatography (TLC).
- TLC thin-layer chromatography
- the production method of the present invention is an industrially useful method for producing erythromycin A 11,12-cyclic power carbonate.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Saccharide Compounds (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-206089 | 2003-08-05 | ||
| JP2003206089 | 2003-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005012322A1 true WO2005012322A1 (ja) | 2005-02-10 |
Family
ID=34113702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/011150 Ceased WO2005012322A1 (ja) | 2003-08-05 | 2004-08-04 | エリスロマイシンa 11,12−サイクリックカーボネートの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2005012322A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212094A (zh) * | 2011-03-14 | 2011-10-12 | 金泳霖 | 一种红霉素残余药渣的处理工艺 |
| CN103102377A (zh) * | 2011-11-15 | 2013-05-15 | 塔科敏斯基制药厂波尔法合资公司 | 红霉素a环11,12-碳酸酯的新晶形、包含新晶形b的药物组合物及其应用 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993013116A1 (fr) * | 1991-12-27 | 1993-07-08 | Taisho Pharmaceutical Co., Ltd. | Derive de 5-o-desosaminylerythronolide |
| WO2002014339A1 (en) * | 2000-08-14 | 2002-02-21 | Taisho Pharmaceutical Co., Ltd. | Process for producing erythromycin derivative |
-
2004
- 2004-08-04 WO PCT/JP2004/011150 patent/WO2005012322A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993013116A1 (fr) * | 1991-12-27 | 1993-07-08 | Taisho Pharmaceutical Co., Ltd. | Derive de 5-o-desosaminylerythronolide |
| WO2002014339A1 (en) * | 2000-08-14 | 2002-02-21 | Taisho Pharmaceutical Co., Ltd. | Process for producing erythromycin derivative |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212094A (zh) * | 2011-03-14 | 2011-10-12 | 金泳霖 | 一种红霉素残余药渣的处理工艺 |
| CN102212094B (zh) * | 2011-03-14 | 2013-08-21 | 金泳霖 | 一种红霉素残余药渣的处理工艺 |
| CN103102377A (zh) * | 2011-11-15 | 2013-05-15 | 塔科敏斯基制药厂波尔法合资公司 | 红霉素a环11,12-碳酸酯的新晶形、包含新晶形b的药物组合物及其应用 |
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