WO2012041220A1 - 一种环脂肽化合物或其盐的纯化方法 - Google Patents
一种环脂肽化合物或其盐的纯化方法 Download PDFInfo
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- WO2012041220A1 WO2012041220A1 PCT/CN2011/080227 CN2011080227W WO2012041220A1 WO 2012041220 A1 WO2012041220 A1 WO 2012041220A1 CN 2011080227 W CN2011080227 W CN 2011080227W WO 2012041220 A1 WO2012041220 A1 WO 2012041220A1
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- Prior art keywords
- compound
- formula
- organic solvent
- extract
- xad
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- 0 CC(C(C(N(CC(C1)O)C1C(NC(C(C(c(cc1)cc(OS([O-])(=O)=O)c1O)O)O)C(NC(C(CC(N)=O)O)C(N(CC(C)C1O)C1C(NC(C(CC1*(C)C)O)O)=O)=O)=O)=O)=*)NC1=O)O Chemical compound CC(C(C(N(CC(C1)O)C1C(NC(C(C(c(cc1)cc(OS([O-])(=O)=O)c1O)O)O)C(NC(C(CC(N)=O)O)C(N(CC(C)C1O)C1C(NC(C(CC1*(C)C)O)O)=O)=O)=O)=O)=*)NC1=O)O 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/50—Cyclic peptides containing at least one abnormal peptide link
- C07K7/54—Cyclic peptides containing at least one abnormal peptide link with at least one abnormal peptide link in the ring
- C07K7/56—Cyclic peptides containing at least one abnormal peptide link with at least one abnormal peptide link in the ring the cyclisation not occurring through 2,4-diamino-butanoic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/16—Extraction; Separation; Purification by chromatography
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/02—Preparation of peptides or proteins having a known sequence of two or more amino acids, e.g. glutathione
Definitions
- the present invention relates to the field of organic chemistry, and in particular to a method for purifying a polypeptide compound or a salt thereof as shown in Formula I. Background technique
- Fungal infections have become the main cause of high morbidity and mortality in immunodeficient patients.
- the incidence of mold infections has increased significantly over the past 20 years.
- High-risk populations of fungal infections include critically ill patients, surgical patients, and those with HIV infection, blood cancer, and other oncological diseases. Those who have undergone organ transplants are also at high risk for fungal infections.
- echinococcal is effective in treating infections caused by Candida or Aspergillus.
- These drugs are represented by caspofungin and micafungin.
- Echinoglobin inhibits fungi by inhibiting the formation of 1, 3-beta glycosidic bonds, thereby reducing harm to the human body, reducing side effects as much as possible while efficient, so they are in use Safer than traditional antifungal drugs.
- FK463 (Micafungin) is a compound of formula III which is obtained by enzymatically cleavage of a side chain with a compound of formula I, FR901379 (Mo), to give compound FR179642 ( ⁇ , ) of formula II, which is then chemically modified. of. It can be seen that to obtain high-purity micafungin, the high-purity compound of formula I is
- EP0431350B1 discloses a process for purifying a compound of the formula I: The fermentation broth is directly extracted with acetone, filtered to remove acetone, washed with ethyl acetate, then extracted with n-butanol, and then the isobutanol phase is dried. Thereafter, the compound of formula I is obtained after the upper silica gel column.
- the method requires a large amount of solvent, and the method uses silica gel, which is not degraded, and has serious environmental pollution, is not environmentally friendly, and seriously endangers the health of the operator, and is not suitable for industrial mass production.
- the present invention is directed to a method of purifying a compound of formula I.
- the present invention provides a method of purifying a compound of formula I or a salt thereof, the method comprising the steps of:
- the step (3) is that the extract 2 is passed through a chromatography column loaded with a macroporous adsorption resin, or the adsorption resin is directly introduced into an extract containing the compound of the formula I,
- the extract 2 containing the compound of the formula I is applied to the macroporous adsorption resin by stirring for 5 to 120 minutes; the flow rate is 0.1 to 10 bed volumes per hour.
- the fermentation broth described in the step (1) includes a bacterium obtained by filtering or centrifuging the fermentation broth.
- the weight-to-volume ratio of the crude compound of the formula I and the macroporous adsorption resin is 0.1 to 1. 0: 100 (g/ml)
- the volume percentage of the organic solvent is from 0 to 40%, preferably from 20% to 40%, based on the total volume of the washing liquid.
- the volume percentage of the organic solvent is 40 to 90%, preferably 40 to 60%, based on the total volume of the eluent.
- the macroporous adsorption resin is selected from the group consisting of: a nonpolar aromatic adsorption resin obtained by polymerizing styrene and divinylbenzene; or a medium pole having a methacrylate unit structure.
- a methacrylic acid adsorption resin is selected from the group consisting of: a nonpolar aromatic adsorption resin obtained by polymerizing styrene and divinylbenzene; or a medium pole having a methacrylate unit structure.
- the adsorption resin is selected from the group consisting of: XAD-1, XAD-2, XAD_3, XAD-4, XAD_5, XAD-16, XAD_16HP, HP-10, HP-20, HP-20ss, HP - 21, HP-30, HP-40, HP-50, SP-825, SP-850, SP_70, SP 700, SP-207, SP207ss, XAD-6, XAD-7, XAD-7HP, XAD-8, HP-2MG, or a mixture thereof.
- the organic solvent is selected from the group consisting of methanol, ethanol, propanol, butanol, acetone, methyl ethyl ketone, or a mixture thereof. Accordingly, the present invention provides a purification method which does not require a large amount of solvent and does not use silica gel, overcomes the drawbacks existing in the prior art, and at the same time improves the purity of the compound of formula I. DRAWINGS
- Figure 1 is a HPLC chromatogram of an extract of Example 1 containing a compound of formula I.
- FIG. 2 is a HPLC chromatogram of the compound of formula I after purification of Example 4. detailed description
- the method for purifying a compound of formula I comprises the steps of:
- a compound of the formula I is eluted from the macroporous adsorption resin by using water, an organic solvent, or a mixed solution of an organic solvent and water as an eluent.
- Step (3) can be carried out by contacting an extract containing the compound of the formula I with a macroporous adsorption resin.
- the contact may be a.
- the adsorption resin is directly introduced into the extract containing the compound of the formula I, and then stirred for 5 to 120 minutes; or b.
- the adsorbent resin is placed in a chromatography apparatus such as a chromatography column to contain 1-10 ⁇
- the purification method comprises the steps of:
- An organic solvent is added to the fermentation broth containing the compound of the formula I or a salt thereof for extraction, and the extract 1 is obtained by centrifugation or filtration.
- the adsorption resin is directly introduced into the extract 2 containing the compound of the formula I, and then stirred for 5 to 120 minutes;
- step D using water, an organic solvent, or a mixed solution of an organic solvent and water as a washing liquid to wash the macroporous resin remaining in step D;
- the separation described in the step D includes filtration, centrifugation or the like to separate the resin from the filtrate.
- the fermentation broth containing the compound of the formula I or a salt thereof in the step (1) can be obtained by a method known in the art, such as, but not limited to, the method described in Example 1 of EP0431350B1. It is obtained by fermentation of Coleophoma empetri. F- 11899 (FERM BP2635).
- the extraction according to the step (1) means that the fermentation liquid is directly corrected (Article 91)
- the organic solvent is extracted, or the fermentation liquid is filtered to obtain a bacterial body, and then an organic solvent is added for extraction.
- the organic solvent is selected from the group consisting of methanol, ethanol, propanol, butanol, acetone, methyl ethyl ketone, or a mixture thereof; preferably methanol, ethanol, acetone or a mixture thereof.
- the step (2) is to reduce the content of the organic solvent in the extract by extracting the extract 1 obtained in the step (1) by adding water or concentrating in a vacuum, so that the extract 2 is in the extract 2
- the organic solvent content is 40%, preferably 20%-40% (based on the total volume of the extract 2).
- the organic solvent described in the steps (4) and (5) is selected from the group consisting of a C 1-4 alcohol, a C 1-4 ketone or a mixture thereof, preferably from methanol, ethanol, propanol, and butyl. Alcohol, acetone, butanone or a mixture thereof.
- the adsorption resin is selected from the group consisting of: a non-polar aliphatic adsorption resin obtained by polymerizing styrene and divinylbenzene or a medium polarity having a methacrylate unit structure.
- Methacrylic acid adsorption resin Preferred from: XAD series adsorption resin produced by RohmHaas, USA, and Diai on HP series adsorption resin produced by Mitsubishi Chemical Corporation of Japan.
- XAD-1 XAD-2, XAD-3, XAD-4, XAD_5, XAD-6, XAD-7, XAD-7HP, XAD-8, XAD-16, XAD-16HP, HP- 10, HP-20, HP-20ss, HP-21, HP-30, HP-40, HP-50, HP-2MG, SP-825, SP_850, SP-70, SP-700, SP207, SP207ss or their mixture.
- HP20, XAD-16, or XAD-16HP, or SP207 o
- the organic solvent content in the washing liquid is 40%, preferably 20% to 40%.
- the content of the organic solvent in the elution buffer is 40-90%, preferably 40-60%.
- compounds of formula I or “compounds of formula I” are used interchangeably and refer to a compound having the formula: or a pharmaceutically acceptable salt thereof:
- pharmaceutically acceptable salt refers to a salt formed from a base selected from the group consisting of inorganic bases such as sodium, potassium, magnesium, calcium, aluminum, and the like; and organic bases such as methylamine, ethylamine, monoethanolamine.
- purity of a compound as shown in Formula I As used herein, “purity of a compound as shown in Formula I", “purity of a compound of formula I” or “HPLC purity of a compound of formula I” are used interchangeably and refer to the high performance liquid chromatography (HPLC) provided by the present invention.
- HPLC high performance liquid chromatography
- loading refers to the process of contacting a crude product containing a compound of formula I with a macroporous adsorption resin to adsorb a compound of formula I onto a macroporous adsorption resin.
- the contacting includes directly feeding the macroporous adsorption resin into the solution and then agitating the adsorption; and further loading the macroporous adsorption resin into the chromatography device to flow the solution through the chromatography column.
- Washing macroporous adsorption resin means passing a suitable buffer in or on the macroporous adsorption resin.
- wash buffer refers to a buffer used to wash (primarily organic phase) macroporous adsorption resin prior to elution of the target compound of formula I.
- the wash buffer and the loading buffer can be of the same polarity, but this is not required.
- the "eluting" of the molecule from the macroporous adsorption resin means removing the molecule from the macroporous adsorption resin by changing the polarity of the buffer around the macroporous adsorption resin. This polarity enables the buffer to compete with the molecule for macroporous adsorption. Adsorption site on the resin. Correction page (Article 91) As used herein, "elution buffer” is used to elute the target compound of formula I from the solid phase. The elution buffer elutes the target compound of formula I from the macroporous adsorption resin.
- “Purifying" a compound of formula I from a composition comprising a compound of the formula I and one or more non-target compounds means increasing the composition of the composition by removing (completely or partially) at least one non-target compound from the composition. The purity of the compound I.
- the present invention provides a novel and inexpensive method for purifying cyclolipopeptide compounds, particularly echinocandin compounds.
- the purification step of the method provided by the invention has the characteristics of short route, mild condition, high purification yield, simple treatment, small environmental pollution, etc., which greatly reduces the process operation and equipment requirements, and reduces the Cost of production.
- the method provided by the invention can obtain a relatively stable target product, is beneficial to the quality control of the final product, and is advantageous for industrialized large production.
- the target product produced by the method provided by the present invention can fully satisfy the requirement for conversion to the compound I I. It is convenient for large-scale production of compound hydrazine, and even the final product compound III.
- the invention is further illustrated below in conjunction with specific embodiments. It is to be understood that the examples are not intended to limit the scope of the invention.
- the experimental methods in which the specific conditions are not indicated in the following examples are usually carried out according to conventional conditions or according to the conditions recommended by the manufacturer. All percentages, ratios, ratios, or parts are by weight unless otherwise indicated.
- the unit of weight percent by volume in the present invention is well known to those skilled in the art and, for example, refers to the weight of the solute in a 100 ml solution.
- Example 1 of EP0431350B1 2200 L of the fermentation broth containing the compound of formula I is obtained, and 650 kg of wet cells are obtained by filtration, 65 kg of which is taken, and 100 kg of ethanol is added for immersion extraction, and the filter cake is filtered by a plate frame, and the prepared cake is prepared.
- the purity of the HPLC is 74. 08 ° /
- the content of the compound of the formula I is 0.11 g / liter
- HPLC purity is 74. 08 ° /.
- HPLC chromatograms are shown in Figure 1 and Table 1.
- the extract 2 containing the compound of the formula I obtained in the previous step was applied to a chromatography column equipped with 550 ml of HP20ss resin at a flow rate of 3 bed volumes per hour. After the loading was completed, 2 column volumes were washed with 33% ethanol, and the washing flow rate was 1 bed volume per hour. After washing, 1800 ml of 60% ethanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The fraction containing the compound of formula I was collected and mixed. The collected liquid was determined by HPLC, wherein the content of the compound of formula I was 5.2 g (yield 94.5%), the purity was 90.3%, and the HPLC chromatograms are shown in Fig. 2 and Table 2. Table 1
- the extract 2 containing the compound of the formula I obtained in the previous step was applied to a column packed with 700 ml of XAD-16 resin at a flow rate of 1 bed volume per hour. After the loading was completed, 2 column volumes were washed with 40% methanol, and the washing flow rate was 1 bed volume per hour. After washing, 1800 ml of 50% methanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The fraction containing the compound of formula I was collected and mixed. The content of the compound of formula I is 4. 7 g (recovery rate 92.2%), and the purity is 89. 2%.
- the extract 2 containing the compound of the formula I obtained in the previous step was placed in a 100 L plastic white bucket, 1000 ml of XAD _ 16HP resin was added, stirred at room temperature for 120 minutes and then the filtrate containing the resin was poured onto a Buchner funnel coated with filter paper. Filtration, the filtrate is discarded, the resin is charged into the column, washed with 2000 ml of 20% acetone, washed with 60% acetone, and the fraction containing the compound of formula I is collected, and the collected liquid is detected by HPLC, wherein the compound of formula I 0 ⁇ 1. 75 ⁇ (yield 85. 8%), purity 90.0%.
- the extract 2 containing the compound of the formula I obtained in the previous step was applied to a column packed with 200 mL of SP207 resin at a flow rate of 3 bed volumes per hour. After the loading was completed, 2 column volumes were washed with 20% ethanol, and the washing flow rate was 1 bed volume per hour. After washing, 1 L of 40% ethanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The fraction containing the compound of formula I was collected and mixed. 5% ⁇ The content of the compound I was 1. 94 g (yield 88.2%), the purity was 89.5%.
- the crude product 2 containing the compound of the formula I obtained in the previous step was applied to a column packed with 20 L of HP20 resin at a flow rate of 10 bed volumes per hour. After the loading was completed, 2 column volumes were washed with 40% ethanol, and the washing flow rate was 1 bed volume per hour. After washing, 60 L of 50% ethanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The fraction containing the compound of formula I was collected and mixed. 4% ⁇ The content of the formula I was 145. 2 grams (yield 91.0%), the purity was 90.4%.
- Example 1 50 L of the extract 1 of the compound of the formula I obtained in Example 1 was obtained, and 5. 5 g of the compound of the formula I was mixed, and the ethanol concentration was diluted to 10% with purified water to obtain an extract 2 containing the compound of the formula I.
- the extract 2 containing the compound of the formula I obtained in the previous step was applied to a column packed with 550 ml of HP20 resin at a flow rate of 3 bed volumes per hour. After the loading was completed, 2 column volumes were washed with 10% ethanol, and the washing flow rate was 1 bed volume per hour. After washing, 1800 ml of ethanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The fraction containing the compound of formula I was collected and mixed. The content of the compound of formula I is 5.15 g (yield 93.6%), and the purity is 85.4%. Comparative Example 1
- the extract 2 containing the compound of the formula I obtained in the previous step was applied to a column packed with 550 ml of HP20 resin at a flow rate of 10 bed volumes per hour. After the loading was completed, 2 column volumes were washed with 45% ethanol, and the washing flow rate was 1 bed volume per hour. After washing, 1800 ml of 50% ethanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The aliquot of the compound of the formula I was collected and mixed, and the content of the compound of the formula I was 2.13 g (yield 38.7%), and the purity was 90.4%. Comparative Example 2
- the extract 2 containing the compound of the formula I obtained in the previous step was applied to a column packed with 550 ml of HP20 resin at a flow rate of 3 bed volumes per hour. After the end of the loading, 2 column volumes were washed with 33% ethanol, and the washing flow rate was 1 bed volume per hour. After washing, 1800 ml of 60% ethanol was used as an eluent, and the elution flow rate was 1 bed volume per hour. The fraction containing the compound of formula I was collected and mixed. The content of the compound of formula I is 1. 08 g (yield 19.6%), and the purity is 85.4%.
- the above is only the preferred embodiment of the present invention, and is not intended to limit the essence of the present invention.
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Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2813335A CA2813335A1 (en) | 2010-09-30 | 2011-09-27 | Process for purifying cyclolipopeptide compounds or salts thereof |
US13/877,141 US8877777B2 (en) | 2010-09-30 | 2011-09-27 | Process for purifying cyclolipopeptide compounds or the salts thereof |
KR1020137010895A KR101514904B1 (ko) | 2010-09-30 | 2011-09-27 | 사이클릭 리포펩타이드 화합물 또는 그의 염의 정제방법 |
JP2013530550A JP6000255B2 (ja) | 2010-09-30 | 2011-09-27 | 環状リポペプチド化合物又はその塩の精製方法 |
EP11828116.1A EP2623611B1 (en) | 2010-09-30 | 2011-09-27 | Method for purifying cyclic lipopeptide or salt thereof |
AU2011307733A AU2011307733B2 (en) | 2010-09-30 | 2011-09-27 | Method for purifying cyclic lipopeptide or salt thereof |
RU2013118534/04A RU2538274C2 (ru) | 2010-09-30 | 2011-09-27 | Способ очистки циклопептидных соединений или их солей |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010298554.6 | 2010-09-30 | ||
CN201010298554 | 2010-09-30 |
Publications (1)
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WO2012041220A1 true WO2012041220A1 (zh) | 2012-04-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2011/080227 WO2012041220A1 (zh) | 2010-09-30 | 2011-09-27 | 一种环脂肽化合物或其盐的纯化方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8877777B2 (zh) |
EP (1) | EP2623611B1 (zh) |
JP (1) | JP6000255B2 (zh) |
KR (1) | KR101514904B1 (zh) |
CN (1) | CN102443050B (zh) |
AU (1) | AU2011307733B2 (zh) |
CA (1) | CA2813335A1 (zh) |
RU (1) | RU2538274C2 (zh) |
WO (1) | WO2012041220A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8877777B2 (en) | 2010-09-30 | 2014-11-04 | Shanghai Techwell Biopharmaceutical Co., Ltd. | Process for purifying cyclolipopeptide compounds or the salts thereof |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2813330A1 (en) * | 2010-09-29 | 2012-04-05 | Shanghai Techwell Biopharmaceutical Co., Ltd. | Process for purifying cyclolipopeptide compounds or the salts thereof |
CN102627688B (zh) * | 2012-03-30 | 2014-12-31 | 上海天伟生物制药有限公司 | 一种高纯度环肽化合物及其制备方法和用途 |
CN103387975A (zh) * | 2012-05-11 | 2013-11-13 | 上海天伟生物制药有限公司 | 一种固定化环脂肽酰基转移酶及其制备方法和用途 |
CN103483427A (zh) * | 2012-06-09 | 2014-01-01 | 浙江海正药业股份有限公司 | 一种棘白菌素类化合物的纯化方法 |
CN104447961B (zh) * | 2013-09-13 | 2018-05-15 | 浙江震元制药有限公司 | 棘白菌素b母核的提取方法 |
CN103965298B (zh) * | 2014-05-23 | 2016-08-10 | 浙江海正药业股份有限公司 | 一种阿尼芬净的纯化方法 |
CN110540511B (zh) * | 2018-05-29 | 2024-05-03 | 上海凯赛生物技术股份有限公司 | 一种二元酸胺盐的提取纯化方法 |
CN111378013B (zh) * | 2018-12-29 | 2023-04-25 | 上海天伟生物制药有限公司 | 一种高纯度环肽化合物的制备方法 |
CN111434675A (zh) * | 2019-01-11 | 2020-07-21 | 苏州纳微科技股份有限公司 | 一种米卡芬净母环的分离纯化方法 |
CN111909244A (zh) * | 2020-08-14 | 2020-11-10 | 卓和药业集团有限公司 | 一种高纯度米卡芬净前体fr901379的制备方法 |
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GB1320156A (en) * | 1969-09-08 | 1973-06-13 | Rohm & Haas | Separation of polypeptides |
EP0431350A1 (en) * | 1989-11-13 | 1991-06-12 | Fujisawa Pharmaceutical Co., Ltd. | New polypeptide compound and a process for preparation thereof |
EP0486011A2 (en) * | 1990-11-16 | 1992-05-20 | Fujisawa Pharmaceutical Co., Ltd. | Pharmaceutical composition against Pneumocystis carinii |
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US4874843A (en) * | 1987-12-03 | 1989-10-17 | Eli Lilly And Company | Chromatographic purification process |
FI912873A (fi) * | 1990-06-18 | 1991-12-19 | Fujisawa Pharmaceutical Co | Ny polypeptidfoerening och foerfarande foer dess framstaellning. |
US5378804A (en) * | 1993-03-16 | 1995-01-03 | Merck & Co., Inc. | Aza cyclohexapeptide compounds |
DE69739532D1 (de) | 1996-03-08 | 2009-09-24 | Astellas Pharma Inc | Prozess für die deacylierung von zyklischen lipopeptiden. |
WO1997047738A1 (fr) * | 1996-06-13 | 1997-12-18 | Fujisawa Pharmaceutical Co., Ltd. | Acylase des lipopeptides cycliques |
PT1137663E (pt) * | 1998-12-09 | 2006-12-29 | Lilly Co Eli | Purificação de compostos ciclopéptidos equinocandina |
EP1366065A1 (en) * | 2001-02-26 | 2003-12-03 | Fujisawa Pharmaceutical Co., Ltd. | Echinocandin derivatives, pharmaceutical compositions containing same and use thereof as drugs |
DE102004060750A1 (de) * | 2004-12-15 | 2006-07-13 | Sanofi-Aventis Deutschland Gmbh | Verfahren zur Deacylierung von Lipopeptiden |
CA2813330A1 (en) * | 2010-09-29 | 2012-04-05 | Shanghai Techwell Biopharmaceutical Co., Ltd. | Process for purifying cyclolipopeptide compounds or the salts thereof |
US8877777B2 (en) | 2010-09-30 | 2014-11-04 | Shanghai Techwell Biopharmaceutical Co., Ltd. | Process for purifying cyclolipopeptide compounds or the salts thereof |
-
2011
- 2011-09-27 US US13/877,141 patent/US8877777B2/en active Active
- 2011-09-27 EP EP11828116.1A patent/EP2623611B1/en active Active
- 2011-09-27 AU AU2011307733A patent/AU2011307733B2/en not_active Ceased
- 2011-09-27 JP JP2013530550A patent/JP6000255B2/ja active Active
- 2011-09-27 CA CA2813335A patent/CA2813335A1/en not_active Abandoned
- 2011-09-27 RU RU2013118534/04A patent/RU2538274C2/ru not_active IP Right Cessation
- 2011-09-27 CN CN201110290436.5A patent/CN102443050B/zh active Active
- 2011-09-27 KR KR1020137010895A patent/KR101514904B1/ko active IP Right Grant
- 2011-09-27 WO PCT/CN2011/080227 patent/WO2012041220A1/zh active Application Filing
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GB1320156A (en) * | 1969-09-08 | 1973-06-13 | Rohm & Haas | Separation of polypeptides |
EP0431350A1 (en) * | 1989-11-13 | 1991-06-12 | Fujisawa Pharmaceutical Co., Ltd. | New polypeptide compound and a process for preparation thereof |
EP0431350B1 (en) | 1989-11-13 | 1995-07-26 | Fujisawa Pharmaceutical Co., Ltd. | New polypeptide compound and a process for preparation thereof |
EP0486011A2 (en) * | 1990-11-16 | 1992-05-20 | Fujisawa Pharmaceutical Co., Ltd. | Pharmaceutical composition against Pneumocystis carinii |
Non-Patent Citations (2)
Title |
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IWAMOTO T. ET AL.: "WF11899 A, B AND C, Novel Antifungal Lipopeptides I. Taxonomy, Fermentation, Isolation And Physico-chemical Properties", THE JOURNAL OF ANTIBIOTICS, vol. 10, no. 47, October 1994 (1994-10-01), pages 1084 - 1091, XP002078648 * |
See also references of EP2623611A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US8877777B2 (en) | 2010-09-30 | 2014-11-04 | Shanghai Techwell Biopharmaceutical Co., Ltd. | Process for purifying cyclolipopeptide compounds or the salts thereof |
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Publication number | Publication date |
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CN102443050A (zh) | 2012-05-09 |
JP2013538833A (ja) | 2013-10-17 |
EP2623611A1 (en) | 2013-08-07 |
RU2538274C2 (ru) | 2015-01-10 |
RU2013118534A (ru) | 2014-11-10 |
CN102443050B (zh) | 2014-06-04 |
EP2623611B1 (en) | 2016-07-13 |
JP6000255B2 (ja) | 2016-09-28 |
US8877777B2 (en) | 2014-11-04 |
AU2011307733B2 (en) | 2015-03-26 |
US20130296529A1 (en) | 2013-11-07 |
EP2623611A4 (en) | 2015-02-11 |
AU2011307733A1 (en) | 2013-05-23 |
KR101514904B1 (ko) | 2015-04-23 |
CA2813335A1 (en) | 2012-04-05 |
KR20130059455A (ko) | 2013-06-05 |
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