CN101341167B - 大环内酯类抗生素的纯化方法 - Google Patents

大环内酯类抗生素的纯化方法 Download PDF

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CN101341167B
CN101341167B CN200680045911XA CN200680045911A CN101341167B CN 101341167 B CN101341167 B CN 101341167B CN 200680045911X A CN200680045911X A CN 200680045911XA CN 200680045911 A CN200680045911 A CN 200680045911A CN 101341167 B CN101341167 B CN 101341167B
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macrolide antibiotics
purification
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purifying
ultrafiltration
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CN101341167A (zh
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文森·德托马索
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Xellia Pharmaceuticals ApS
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K9/00Peptides having up to 20 amino acids, containing saccharide radicals and having a fully defined sequence; Derivatives thereof
    • C07K9/006Peptides having up to 20 amino acids, containing saccharide radicals and having a fully defined sequence; Derivatives thereof the peptide sequence being part of a ring structure
    • C07K9/008Peptides having up to 20 amino acids, containing saccharide radicals and having a fully defined sequence; Derivatives thereof the peptide sequence being part of a ring structure directly attached to a hetero atom of the saccharide radical, e.g. actaplanin, avoparcin, ristomycin, vancomycin
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents

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Abstract

本发明涉及一种大环内酯类抗生素的纯化方法。更具体地,其涉及一种用以得到白色粉末大环内酯类抗生素的纯化方法。该粉末在储存一段时间之后仍保持白色。本发明的方法是这样进行的:将大环内酯类抗生素例如商品盐酸万古霉素溶于水,所得溶液用标称截留分子量小于30,000道尔顿,最好是10,000道尔顿的膜进行超滤。纯化后溶液最好用反渗透法进行浓缩,然后在优化的压力和温度条件下冻干,以得到白色粉末。

Description

大环内酯类抗生素的纯化方法
本发明涉及一种大环内酯类抗生素的纯化方法。更具体地,其涉及一种用以得到白色粉末的大环内酯类抗生素的纯化方法。该粉末在储存一段时间之后仍保持白色。
大环内酯类抗生素具有大环内酯化学结构,是一种可连接有糖的具有12~22个碳原子的内酯环。它们可抑制细菌繁殖,并与细菌的核糖体结合,阻止蛋白质的生成。
大环内酯类抗生素包括万古霉素、替考拉宁(teicoplanin)、红霉素、阿奇霉素、克拉霉素、罗红霉素、交沙霉素、利托霉素、艾替诺丁(actinoidin)、阿伏霉素、阿克他宁(actaplanin)、替考霉素(teichomycin)和泰利霉素。
一般地,本发明涉及大环内酯类抗生素的纯化,更具体地涉及万古霉素的纯化。
US 5,853,720公开了一种纯化万古霉素的方法,其纯化步骤采用硅胶柱制备色谱法。
EP 132 117公开了采用亲和色谱的万古霉素类抗生素的纯化方法,其中,通过形成吸附复合物,抗生素与基体结合。
这些基于色谱技术的方法,可生产出纯度提高的抗生素,但不能生产出令人满意的白色粉末。对于万古霉素,在色谱纯化后,初始颜色是淡粉红色,过一段时间后,其颜色变成褐色。这不符合欧洲药典要求。
现已发现,通过对大环内酯类抗生素进行超滤,可以除去在450nm下具有高吸光度的杂质。
超滤是分离不同大小分子的方法。在超滤中,虽然如分子的形状、电荷等其它次要因素也起到作用,但实际上是分子的分子量起最重要的作用。在市场上,可获得按照被膜截留分子的分子量来定义的不同超滤膜。适用于本发明的膜的截留分子量为低于30,000道尔顿。
本发明的方法是这样进行的:将大环内酯类抗生素例如商品盐酸万古霉素溶于水,所得溶液用标称截留分子量小于30,000道尔顿的膜进行超滤,所用膜的截留分子量,以等于或小于15,000道尔顿为佳,等于或小于10,000道尔顿最佳。优选地,超滤膜的标称截留分子量大于6,000道尔顿。纯化后溶液最好用反渗透进行浓缩,然后在优化的压力和温度条件下冻干,以得到白色粉末。如果需要得到无菌粉末,最好将该溶液,在进行反渗透浓缩后,通过0.22微米的过滤器,并将滤液收集于无菌容器(根据欧洲GMP标准的A级)。
膜的类型取决于抗生素。对于万古霉素,采用截留分子量30,000道尔顿的膜,万古霉素可以通过该膜,而杂质保留在滞留液中。相反,使用10,000道尔顿的膜,可以有效地纯化替考拉宁。这样,杂质在透过液中,而替考拉宁在滞留液中。因此,对各种抗生素,都可对膜的类型作最优化选择,以实现杂质和大环内酯类抗生素的最佳分离。
当抗生素为万古霉素时,其在450nm处检定的吸收值为0.100,最好小于0.080。
将大环内酯类抗生素溶于水,在初始溶液中该抗生素的浓度为0.1~30重量%,优选为1~20重量%,最好为3~18重量%。
实施例
实施例所用盐酸万古霉素是从Alpharma公司获得的商品。
在450nm下的吸光度是根据欧洲药典中万古霉素专论的规定测得的。
实施例1盐酸万古霉素的纯化
将65g Alpharma公司产的商品盐酸万古霉素溶于500ml蒸馏水。待粉末完全溶解后,所得溶液用10,000道尔顿的膜进行超滤,在透过液和滞留液之间维持1bar的压降,而跨膜压降为2.5bar。透过液经反渗透浓缩,再通过0.22微米过滤器,然后收集于符合欧洲GMP标准的A级容器内。
实施例2盐酸万古霉素的纯化
将30g Alpharma公司产的商品盐酸万古霉素溶于500ml蒸馏水。待粉末完全溶解后,用10,000道尔顿的膜对该溶液进行超滤,在透过液和滞留液之间维持1bar的压降,而跨膜压降为2.5bar。透过液经反渗透浓缩,再通过0.22微米过滤器,然后收集于符合欧洲GMP标准的A级容器。
               初始万古霉素实    施例1    实施例2
450nm吸光度    0.184             0.064    0.045
实施例3替考拉宁的纯化
将10g替考拉宁溶于100ml蒸馏水。待粉末完全溶解后,所得溶液用10,000道尔顿的膜进行超滤,在透过液和滞留液之间维持1bar的压降,而跨膜压降为2.5bar。在此情况下,替考拉宁保留在滞留液中,而一些杂质通过到透过液中。滞留液通过0.22微米过滤器,收集于符合欧洲GMP标准的A级容器,然后在优化的温度和真空条件下冻干。
用高效液相色谱测得的替考拉宁的纯度在纯化前为89.7%,纯化后为93.8%。最重要的杂质在纯化前后分别为10.8%和6.1%,而纯化前为2.9%的第二杂质在纯化后全部消失。

Claims (5)

1.一种纯化万古霉素的方法,包括:将该万古霉素溶于水,然后该溶液用标称截留分子量小于30,000道尔顿的膜进行超滤。
2.如权利要求1所述的方法,其特征在于,所述膜的标称截留分子量等于或小于10,000道尔顿。
3.如权利要求1或2所述的方法,其特征在于,在超滤后,纯化后的溶液任选地由反渗透法进行浓缩,然后在优化的压力和温度条件下冻干得到白色粉末。
4.如权利要求1或2所述的方法,其特征在于,最终粉末在450nm的吸光度小于0.100。
5.如权利要求1或2所述的方法,其特征在于,所述最终粉末在450nm的吸光度小于0.080。
CN200680045911XA 2005-12-16 2006-12-07 大环内酯类抗生素的纯化方法 Expired - Fee Related CN101341167B (zh)

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EP05112283A EP1798237A1 (en) 2005-12-16 2005-12-16 Process for the purification of macrolide antibiotics
PCT/EP2006/069414 WO2007068644A1 (en) 2005-12-16 2006-12-07 Process for the purification of macrolide antibiotics

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ITLO20110001A1 (it) 2011-05-03 2012-11-04 Fisiopharma Srl Flaconi di vancomicina cloroidrata con stabilità migliorata
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NO20082935L (no) 2008-06-30
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JP5124475B2 (ja) 2013-01-23
DK1960418T3 (da) 2010-05-31
RU2400489C2 (ru) 2010-09-27
US8268963B2 (en) 2012-09-18
JP2009519294A (ja) 2009-05-14
PL1960418T3 (pl) 2010-07-30
RU2008128465A (ru) 2010-01-27
CA2628798C (en) 2014-08-05
EP1960418A1 (en) 2008-08-27
AU2006326070A1 (en) 2007-06-21
EP1798237A1 (en) 2007-06-20
ES2340804T3 (es) 2010-06-09
PT1960418E (pt) 2010-05-05
US20100228005A1 (en) 2010-09-09
ATE457994T1 (de) 2010-03-15
DE602006012360D1 (de) 2010-04-01
CA2628798A1 (en) 2007-06-21
WO2007068644A1 (en) 2007-06-21

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