CN106674103B - 一种阿立哌唑新晶型α的制备方法 - Google Patents

一种阿立哌唑新晶型α的制备方法 Download PDF

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CN106674103B
CN106674103B CN201610859793.1A CN201610859793A CN106674103B CN 106674103 B CN106674103 B CN 106674103B CN 201610859793 A CN201610859793 A CN 201610859793A CN 106674103 B CN106674103 B CN 106674103B
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aripiprazole
crystal form
preparation
cooling
form alpha
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CN106674103A (zh
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李铁
赵国磊
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Wanquan Wante Pharmaceutical Jiangsu Co ltd
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D215/00Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom 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

本发明涉及一种抗抑郁药物阿立哌唑新晶型的制备方法。将阿立哌唑溶于水中,升温回流后缓慢降温,缓慢搅拌,可以得到阿立哌唑新晶型α,收率94%。本发明药物稳定性好,不易变质,无引湿性,操作简单,收率高,环保压力小,适合工业生产。

Description

一种阿立哌唑新晶型α的制备方法
技术领域
本发明涉及一种精神类药物阿立哌唑新晶型α的制备方法。
背景技术
阿立哌唑,化学名为7-{4-[4-(2,3-二氯苯基)-l-哌嗪基]丁氧基}-3,4-二氢-2(1H)-喹啉酮,英文名Aripiprazole,结构式如下:
Figure DEST_PATH_675817DEST_PATH_IMAGE001
阿立哌唑对多巴胺D2、D3、5羟色胺5-HT1A和5-HT2A受体有高度亲和力,对多巴胺D4、5羟色胺5-HT2C和5-HT7、α1-肾上腺素和组胺H1受体有中度亲和力,对5羟色胺再摄取位点有中度亲和力。阿立哌唑通过部分激活D2、5-HT1A受体、拮抗剂5-HT2A受体而起作用,能有效改善精神分裂症的负性症状和正性症状,同时不良反应降低。
发明内容
本发明能够得到一种比原研晶型更稳定,吸湿性更低,质量更可靠,生产更环保的全新晶型α。
本发明为阿立哌唑晶型α的制备方法,操作步骤为:将阿立哌唑置于溶剂中,加热升温至回流,阿立哌唑全部溶解;搅拌0.5~1小时后缓慢搅拌降温析晶,过滤,产品真空干燥5—6小时;
本反应所用试剂为DMF、水、乙醇、四氢呋喃及其混合溶剂,优选乙醇、水、四氢呋喃及其混合溶剂;升温温度范围为50℃—150℃,优选范围为80℃—100℃;冷却温度范围为-20℃—10℃,优选范围为-5℃—5℃,冷却速度为5℃—10℃/h;搅拌速率为20—30转/分钟;干燥方式为真空干燥,干燥时间为2—10h。
本发明得到的晶型XRD 2θ角有如下特征:17.4,18.1,19.6,23.2,24.4,27.8。
本发明的制备方法中的各优选条件可任意组合即得本发明的各优选实施例。
本发明所用的试剂和原料均市售可得。
本发明的积极进步效果在于提供了一种阿立哌唑新晶型的制备方法,根据实验比较出本晶型更稳定,吸湿性更低,质量更可靠,生产更环保。
附图说明:
附图1:阿立哌唑XRD图谱;
附图2:阿立哌唑DSC谱图;
附图3:阿立哌唑XRD图谱;
附图4:阿立哌唑XRD图谱;
附图5:阿立哌唑稳定性研究数据。
具体实施方式:
下面用实施例来进一步说明本发明,但本发明并不受其限制。
实施例1:
将阿立哌唑(150g,0.33mol)加入乙醇(1465mL)中,升温至回流,0.5小时后开始降温,控制降温速率8℃/小时,搅拌速率25转/分钟,-5℃析晶1小时,抽滤。滤饼真空干燥0.5小时,得到α晶型阿立哌唑141g,收率94%。
XRD图谱见附图1。DSC见附图2。
实施例2:
将阿立哌唑(20g,0.045 mol)加入乙醇(60mL),四氢呋喃(60mL),升温至回流,0.5小时后开始降温,控制降温速率9℃/小时,搅拌速率25转/分钟,-5℃析晶1小时,抽滤。滤饼真空干燥2小时,得到α晶型阿立哌唑16g,收率80%。
XRD图谱见附图3。
实施例3:
将阿立哌唑(20g,0.045 mol)加入纯净水(100mL),升温至回流,0.5小时后开始降温,控制降温速率7℃/小时,搅拌速率25转/分钟,-5℃析晶1小时,抽滤。滤饼真空干燥6小时,得到α晶型阿立哌唑19g,收率98%。
XRD图谱见附图4。
稳定性研究见附图5。

Claims (2)

1.一种阿立哌唑晶型α的制备方法,其特征在于包括如下步骤:1阿立哌唑溶解悬浮于试剂中,2升温后冷却,3搅拌析晶,4抽滤,滤饼干燥;
其中得到的晶型XRD图谱如附图1所示;所用试剂为乙醇、水、四氢呋喃及其混合溶剂;升温温度范围为80℃-100℃;冷却温度范围为-5℃-5℃;冷却速度为5℃-10℃/h;搅拌速率为20~30转/分钟。
2.根据权利要求1所述制备方法,干燥方式为真空干燥,干燥时间为2~10h。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1676517A (zh) * 2004-04-02 2005-10-05 北京德众万全药物技术开发有限公司 阿立哌唑的晶型
CN1760183A (zh) * 2004-10-14 2006-04-19 重庆医药工业研究院有限责任公司 阿立派唑的新晶型及其制备方法
CN1772738A (zh) * 2005-06-07 2006-05-17 上海医药工业研究院 阿立哌唑晶型及其制备方法
CN102372672B (zh) * 2010-08-24 2014-06-04 重庆圣华曦药业股份有限公司 低吸湿性阿立哌唑晶体iv、制备方法及其应用

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1676517A (zh) * 2004-04-02 2005-10-05 北京德众万全药物技术开发有限公司 阿立哌唑的晶型
CN1760183A (zh) * 2004-10-14 2006-04-19 重庆医药工业研究院有限责任公司 阿立派唑的新晶型及其制备方法
CN1772738A (zh) * 2005-06-07 2006-05-17 上海医药工业研究院 阿立哌唑晶型及其制备方法
CN102372672B (zh) * 2010-08-24 2014-06-04 重庆圣华曦药业股份有限公司 低吸湿性阿立哌唑晶体iv、制备方法及其应用

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