CN104829573B - 达格列净晶型及其制备方法 - Google Patents

达格列净晶型及其制备方法 Download PDF

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CN104829573B
CN104829573B CN201410048006.6A CN201410048006A CN104829573B CN 104829573 B CN104829573 B CN 104829573B CN 201410048006 A CN201410048006 A CN 201410048006A CN 104829573 B CN104829573 B CN 104829573B
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dapagliflozin
crystal form
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formula
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CN104829573A (zh
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张添程
杜祖银
袁阜平
赵军军
李孝壁
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Jiangsu Hansoh Pharmaceutical Group Co Ltd
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D309/08Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no 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
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Abstract

本发明涉及达格列净新晶型及其制备方法。具体而言,采用Cu‑Kα射线进行X射线粉末衍射测定,本发明的达格列净新晶型的XRPD图谱具有下列2θ衍射角吸收特征峰:4.442,4.830,5.444,7.751,10.589,15.299,15.433,20.227。这种晶型具有优良的特性:溶解性好,引湿性小,稳定性高,制备重现性好。

Description

达格列净晶型及其制备方法
技术领域
本发明属于多晶型药物制备技术领域,具体涉及一种达格列净新晶型及其制备方法。
背景技术
达格列净(Dapagliflozin)是由Bristol-Myers Squibb/AstraZeneca开发的用于治疗II型糖尿病的药物(钠-葡萄糖协同转运蛋白-2(SGLT-2)抑制剂)。
2010年12月,Bristol-Myers Squibb/AstraZeneca向EMA提交申请。2012年04月,欧洲人用药物委员会推荐批准达格列净用于治疗II型糖尿病的申请。
2010年12月,同样向FDA提交申请,2012年01月,FDA发出回应函,要求增加临床数据。
达格列净的化学名为2-氯-5-(β-D-吡喃葡萄糖-1-基)-4’-乙氧基二苯甲烷,其化学结构如下:
到目前为止,有关达格列净晶型方面的报道仅有原研晶型专利(CN101479287)报道了9种晶型,为达格列净溶剂化合物和达格列净氨基酸络合物,且均被保护。
具体内容如下:
发明内容
本发明的目的在于提供一种新的达格列净晶型。
本发明的达格列净新晶型采用X-射线衍射仪测定,其X射线粉末衍射吸收特征峰(2θ)如下表所示:
No. 衍射角(2θ)
1 4.442
2 4.830
3 5.444
4 7.751
5 10.589
6 15.299
7 15.433
8 20.227
2θ衍射角误差为±0.2。
优选的,X射线粉末衍射吸收特征峰(2θ)如下表所示:
本发明中2θ值的测定所使用的光源精度为±0.2,因此上述所取的值允许有一定合理的误差范围,其误差范围为±0.2。
更优选的,用Cu-Kα射线作为特征X射线粉末测定中,2θ衍射角和D值如下:
No. 衍射角(2θ) D值
1 4.442 19.874
2 4.830 18.280
3 5.444 16.221
4 7.751 11.397
5 8.371 10.554
6 10.589 8.348
7 11.104 7.962
8 15.299 5.787
9 15.433 5.737
10 15.955 5.550
11 20.227 4.387
12 21.555 4.119
13 24.018 3.702
14 24.862 3.578
15 29.619 3.013
16 31.405 2.846
特别优选的,所述晶型的XRPD衍射图谱如图1所示。
进一步的,本发明的目的还在于提供一种所述达格列净新晶型的制备方法,包括在-10-0℃条件下,达格列净在水中冷冻结晶。
优选的,所述水为纯化水。
优选的,在水中冷冻结晶的时间为2-20小时,优选时间为10-16小时。
进一步的,结晶后的水溶液在0-30℃解冻搅拌析晶,得到新晶型。优选的,在温度为0-10℃解冻。
优选的,所述解冻搅拌析晶的时间为2-24小时,优选时间为6-12小时。
进一步的,还包括对所述晶型进行干燥的步骤,干燥温度优选为10-30℃。
优选的,所述干燥的方式为真空干燥。
进一步地,优选的方案是将达格列净与纯化水混合后,在-10-0℃条件下冷冻结晶,并在0-30℃解冻搅拌析晶,过滤,真空干燥,即得达格列净新晶型样品。
本发明所涉及的新晶型非常适合于制药工业应用,晶型稳定性等表现优异,提供的晶型制备方法工艺稳定、可操作性强、收率较高,适合工业化生产。
附图说明
图1是本发明的达格列净新晶型的X-射线粉末衍射谱图。
具体实施方式
为了更直观地展现本发明及其所取得的效果,下面将结合具体实施例来说明本发明,但本发明的保护范围并非局限于具体实施例。
本发明XRPD的检测条件如下:仪器型号:D/Max-RA日本RigakuX-射线粉末衍射仪;射线:单色Cu-Kα射线扫描方式:θ/2θ;扫描范围:0-40°;温度范围:294K;电压:40KV;电流:40mA。
实施例1:达格列净新晶型的制备
称取达格列净(10.0g)加入纯化水(200ml)中,搅拌均匀,在-10-0℃冷冻4h,将冷冻过的样品取出,在0-30℃下缓慢解冻,搅拌析晶6-12h。过滤,抽干,10-30℃真空干燥24-36h,得达格列净成品9g(白色粉末状固体)。经XRPD测定,图谱如图1所示,显示是一种达格列净新晶型。
实施例2:达格列净新晶型的制备
称取达格列净(20.0g)加入纯化水(300ml)中,搅拌均匀,在-10-0℃冷冻12-16h,将冷冻过的样品取出,在0-30℃下缓慢解冻,搅拌析晶6-12h。过滤,抽干,10-30℃真空干燥24-36h,得达格列净成品18g(白色粉末状固体)。经XRPD测定,图谱如图1所示,显示是一种达格列净新晶型。
实验例1:达格列净新晶型影响因数实验研究
1、达格列净新晶型影响因数实验研究结果统计
将实施例1所得的达格列净新晶型40℃放样5d、10d;60℃放样5d、10d;25℃,湿度75%放样5d、10d;25℃,湿度92.5%放样5d、10d;光照5d、10d后所得样品送HPLC检测,结果如下:
从上述实验结果可以看出,本发明的达格列净新晶型在所有影响因数实验条件下,基本不发生降解,晶型稳定性很好。

Claims (15)

1.如式(I)所示的达格列净的晶型,
其特征在于:用Cu-Kα射线作为特征X射线粉末测定中,其图谱具有下列2θ衍射角吸收特征峰:4.442,4.830,5.444,7.751,10.589,15.299,15.433,20.227,2θ衍射角误差为±0.2。
2.根据权利要求1所述的如式(I)所示的达格列净的晶型,其特征在于,用Cu-Kα射线作为特征X射线粉末测定中,其图谱具有下列2θ衍射角:4.442,4.830,5.444,7.751,8.371,10.589,11.104,15.299,15.433,15.955,20.227,21.555,24.018,24.862,29.619,31.405。
3.根据权利要求2所述的如式(I)所示的达格列净的晶型,其特征在于,用Cu-Kα射线作为特征X射线粉末测定中,所述晶型的2θ衍射角和D值对应如下:4.442(19.874),4.830(18.280),5.444(16.221),7.751(11.397),8.371(10.554),10.589(8.348),11.104(7.962),15.299(5.787),15.433(5.737),15.955(5.550),20.227(4.387),21.555(4.119),24.018(3.702),24.862(3.578),29.619(3.013),31.405(2.846)。
4.根据权利要求1所述的如式(I)所示的达格列净的晶型,其特征在于,所述晶型的XRPD衍射图谱如图1所示。
5.一种根据权利要求1所述的如式(I)所示的达格列净的晶型的制备方法,其特征在于:在-10-0℃条件下,达格列净在水中冷冻结晶。
6.根据权利要求5所述的制备方法,其特征在于:所述水为纯化水。
7.根据权利要求5所述的制备方法,其特征在于:在水中冷冻结晶的时间为2-20小时。
8.根据权利要求7所述的制备方法,其特征在于:在水中冷冻结晶的时间为10-16小时。
9.根据权利要求5所述的制备方法,其特征在于:结晶后的水溶液在0-30℃解冻搅拌析晶,得到晶型。
10.根据权利要求9所述的制备方法,其特征在于:结晶后的水溶液在0-10℃解冻搅拌析晶,得到晶型。
11.根据权利要求9所述的制备方法,其特征在于:所述解冻搅拌析晶的时间为2-24小时。
12.根据权利要求11所述的制备方法,其特征在于:所述解冻搅拌析晶的时间为6-12小时。
13.根据权利要求9或11所述的制备方法,其特征在于:还包括对所述晶型进行干燥的步骤。
14.根据权利要求13所述的制备方法,其特征在于:干燥温度为10-30℃。
15.根据权利要求13所述的制备方法,其特征在于:所述干燥的方式为真空干燥。
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CN106146446B (zh) * 2015-04-17 2019-11-08 杭州领业医药科技有限公司 达格列净半水合物及其晶型、其制备方法及药物组合物
US10464915B2 (en) 2016-05-24 2019-11-05 Jiangsu Hansoh Pharmaceutical Group Co., Ltd. Dapagliflozin crystal form and preparation method and use thereof
CN108516966A (zh) * 2017-10-19 2018-09-11 浙江海正药业股份有限公司 达格列净的晶型及其制备方法和用途
CN110790735A (zh) * 2018-08-03 2020-02-14 北京海晶生物医药科技有限公司 一种达格列净新晶型n及其制备方法
WO2020151672A1 (zh) * 2019-01-23 2020-07-30 苏州科睿思制药有限公司 一种达格列净晶型及其制备方法和用途
CN111559997A (zh) * 2019-02-13 2020-08-21 罗欣药业(上海)有限公司 一种达格列净新晶型及其制备方法

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WO2013079501A1 (en) * 2011-11-28 2013-06-06 Sandoz Ag Crystalline dapagliflozin hydrate

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WO2013079501A1 (en) * 2011-11-28 2013-06-06 Sandoz Ag Crystalline dapagliflozin hydrate

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