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CN102766106A - 利奈唑胺的新晶型及其制备方法 - Google Patents

利奈唑胺的新晶型及其制备方法 Download PDF

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CN102766106A
CN102766106A CN201210122882XA CN201210122882A CN102766106A CN 102766106 A CN102766106 A CN 102766106A CN 201210122882X A CN201210122882X A CN 201210122882XA CN 201210122882 A CN201210122882 A CN 201210122882A CN 102766106 A CN102766106 A CN 102766106A
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peak
relative
diffraction
ray diffraction
crystalline form
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金磊
谢剑波
杨宝海
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Jiangsu Hansoh Pharmaceutical Group Co Ltd
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Jiangsu Hansoh Pharmaceutical Group Co Ltd
Jiangsu Hansoh Medicine Institute Co Ltd
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D263/00Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/02Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
    • C07D263/08Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D263/16Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D263/18Oxygen atoms
    • C07D263/20Oxygen atoms attached in position 2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/13Crystalline forms, e.g. polymorphs

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  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
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Abstract

本发明涉及利奈唑胺的新晶型及其制备方法。本发明涉及式(1)所示(S)-N-[[3-(3-氟-4-(4-吗啉基)苯基)-2-氧代-5-噁唑烷基]甲基]乙酰胺的晶型,及其制备方法。

Description

利奈唑胺的新晶型及其制备方法
技术领域
本发明涉及利奈唑胺(S)-N-[[3-(3-氟-4-(4-吗啉基)苯基)-2-氧代-5-噁唑烷基]甲基]乙酰胺的晶型及其制备方法。
背景技术
利奈唑胺(linezolid,商品名Zyvox)是由美国Pharmacia&Upjohn公司(后被辉瑞公司收购)研制生产的新型噁唑烷酮类合成抗菌药,美国FDA于2000年4月18日批准该药上市。本品为美国40年来第一个被批准用于治疗甲氧西林耐药金葡球菌感染的药物。
利奈唑胺具有多种晶型。Pharmacia&Upjohn在1998-10-13在CN101353313A第一次公开利奈唑胺结晶,α晶型;CN1221547C(Pharmacia&Upjohn)报道了β晶型;WO2006004922A(Teva)报道了γ晶型;WO2006110155A(Teva)报道了晶型IV至晶型XVIII,以及无定形晶型。
发明内容
本发明的目的在于提供结构为式1的利奈唑胺的新晶型。
Figure BDA0000156620560000011
其中,
式(1)化合物为晶型A:
其在衍射角2θ为(a)13.4°、(b)20.9°、(c)22.0°、(d)25.3°处显示X-射线衍射峰;
其在衍射角2θ为(a)13.4°处显示X-射线衍射峰,所述峰具有的谱线相对强度为37;在衍射角2θ为(b)20.9°处显示X-射线衍射峰,所述峰具有的谱线相对强度为43;在衍射角2θ为(c)22.0°处显示X-射线衍射峰,所述峰具有的谱线相对强度为100;在衍射角2θ为(d)25.3°处显示X-射线衍射峰,所述峰具有的谱线相对强度为22;
其在衍射角2θ处显示具有谱线相对强度为20或以上的X-射线衍射谱线(谱线强度在括号内给出):13.4°(37)、20.9°(43)、22.0°(100)、25.3°(22);
其在衍射角2θ处显示具有谱线相对强度为10或以上的X-射线衍射谱线(谱线强度在括号内给出):7.3°(12)、13.4°(37)、14.6°(10)、17.9°(19)、18.4°(10)、18.7°(10)、20.9°(43)、22.0°(100)、25.3°(22)、27.6°(10);优选的,在晶型A的X-射线衍射图中每个峰的相对峰强度不偏离上述对应峰相对峰强度的20%以上。
其以有关物质在99.5%以上的形式存在。
我们重点研究了该晶型的溶解性、稳定性等,与现有技术公开的晶型进行了比较,结果显示,晶型A性质稳定,可重复性好,适合药物开发。
附图说明
图1是式1化合物利奈唑胺的晶型A的X-射线衍射图。
具体实施方式
下面将借助附图和实施例来具体阐述本发明的内容,但并不意味着本发明只包含如下内容。
实施例1使用甲苯制备利奈唑胺的晶型A
将化合物1(500g,1.48mol)加入甲苯(15L)中,加热回流使溶解后回流3h,然后冷却搅拌12h析晶。过滤,所得固体50℃下减压干燥至恒重。得目标产物(494g,类白色固体),产率98.8%。
实验1稳定性实验
仪器型号:D/Max-RA日本RigakuX-射线粉末衍射仪
射线:单色Cu-Kα射线
Figure BDA0000156620560000021
扫描方式:θ/2θ,扫描范围:3-45°
温度范围:294K    电压:40KV
X-射线衍射数据对比见表1。
表1加速稳定性实验样品的X-射线衍射数据对比表
Figure BDA0000156620560000031
实验结论:在6个月加速实验后,X-射线衍射谱与初始数据一致,没有发生转晶现象,表明本发明所提供的晶型稳定性良好。
实验2稳定性实验
表2
Figure BDA0000156620560000032
实验结论:本发明所提供的晶型稳定性良好。

Claims (7)

1.式(1)化合物的晶型A。
Figure FDA0000156620550000011
2.如权利要求1所述的晶型,其中所述晶型A的X射线粉末衍射图的特征峰以2θ(±0.2°2θ)表示位于(a)13.4°、(b)20.9°、(c)22.0°、(d)25.3°处。
3.如权利要求2所述的晶型,其特征为在衍射角2θ为(a)13.4°处显示X-射线衍射峰,所述峰具有的谱线相对强度为37;在衍射角2θ为(b)20.9°处显示X-射线衍射峰,所述峰具有的谱线相对强度为43;在衍射角2θ为(c)22.0°处显示X-射线衍射峰,所述峰具有的谱线相对强度为100;在衍射角2θ为(d)25.3°处显示X-射线衍射峰,所述峰具有的谱线相对强度为22。
4.如权利要求2所述的晶型,其在衍射角2θ处显示具有谱线相对强度为20或以上的X-射线衍射谱线,其中位于13.4°,20.9°,22.0°,25.3°处分别对应的相对峰强度为:37,43,100,22。
5.如权利要求2所述的晶型,其在衍射角2θ处显示具有谱线相对强度为10或以上的X-射线衍射谱线,其中位于7.3°,13.4°,14.6°,17.9°,18.4°,18.7°,20.9°,22.0°,25.3°,27.6°处分别对应的相对峰强度为:12,37,10,19,10,10,43,100,22,10。
6.如权利要求1-5中任意一项所述的晶型,其以有关物质在99.5%以上的形式存在。
7.如权利要求1-5中任意一项所述的晶型,其特征在于其X-射线衍射图中每个相应峰的相对峰强度不偏离权利要求5中所述相对峰强度20%以上。
CN201210122882XA 2011-05-03 2012-04-24 利奈唑胺的新晶型及其制备方法 Pending CN102766106A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503764A (zh) * 2016-01-12 2016-04-20 江苏豪森药业集团有限公司 利奈唑胺晶型b及其制备方法和用途
CN110194750A (zh) * 2019-06-19 2019-09-03 四川美大康华康药业有限公司 一种利奈唑胺的制备方法及精制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006004922A1 (en) * 2004-06-29 2006-01-12 Teva Pharmaceutical Industries Ltd. Crystalline form iv of linezolid
WO2009063505A2 (en) * 2007-10-08 2009-05-22 Usv Limited Process for preparation of (s) (n-[[3-[3-fluoro-4-(4-morpholinyl) hen l -2-oxo-5-oxazolidin l methyl]acetamide
CN102174027A (zh) * 2010-03-11 2011-09-07 成都自豪药业有限公司 利奈唑胺的新晶型及其制备方法和用途

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR027261A1 (es) * 2000-02-02 2003-03-19 Upjohn Co Linezolid forma cristalina ii
ES2803516T3 (es) * 2003-10-16 2021-01-27 Symed Labs Ltd Una forma cristalina de linezolid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006004922A1 (en) * 2004-06-29 2006-01-12 Teva Pharmaceutical Industries Ltd. Crystalline form iv of linezolid
WO2009063505A2 (en) * 2007-10-08 2009-05-22 Usv Limited Process for preparation of (s) (n-[[3-[3-fluoro-4-(4-morpholinyl) hen l -2-oxo-5-oxazolidin l methyl]acetamide
CN102174027A (zh) * 2010-03-11 2011-09-07 成都自豪药业有限公司 利奈唑胺的新晶型及其制备方法和用途

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105503764A (zh) * 2016-01-12 2016-04-20 江苏豪森药业集团有限公司 利奈唑胺晶型b及其制备方法和用途
CN105503764B (zh) * 2016-01-12 2017-09-19 江苏豪森药业集团有限公司 利奈唑胺晶型b及其制备方法和用途
CN110194750A (zh) * 2019-06-19 2019-09-03 四川美大康华康药业有限公司 一种利奈唑胺的制备方法及精制方法

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