会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明公开
    • 보관안정성이 우수한 클로피도그렐 함유 포접 복합체
    • 包括CLOPIDOGREL和BETA-CYCLODEXTRIN的复合物
    • KR1020080055356A
    • 2008-06-19
    • KR1020060128594
    • 2006-12-15
    • 에스케이케미칼주식회사
    • 김재선김남호이진영이남규오준교신지영김태곤윤미선성진흥이윤정박여진엄기안
    • C07D495/04A61K31/4743A61P7/02
    • C07D495/04A61K47/6951A61K9/28A61K31/4365
    • An inclusion complex of clopidogrel with high hygroscopy is provided to improve storage stability of clopidogrel by using beta-cyclodextrin, so that clopidogrel is easily formulated to inhibit aggregation of platelet. An inclusion complex of clopidogrel represented by the formula(1) contains the clopidogrel and beta-cyclodextrin in an equivalent ratio of 1:2.0-2.5, and is prepared by (1) solubilizing clopidogrel in a mixed solution of organic solvent and acidic solution or distilled water; (2) adding 2.0-2.5 equivalent based on 1 equivalent of clopidogrel of beta-cyclodextrin into the solution of step (1), and stirring the mixture at 30-70 deg. C, (3) neutralizing the reaction product with hydroxide of alkali metal at 0-50 deg. C, and (4) filtering, washing and drying the reaction product, wherein in the step (2), water-soluble polymer is added. An anti-platelet aggregation composition comprises the inclusion complex of clopidogrel and beta-cyclodextrin. Further, the clopidogrel is clopidogrel base or clopidogrel salt.
    • 提供了具有高吸湿性的氯吡格雷的包合物,以通过使用β-环糊精来改善氯吡格雷的储存稳定性,使得氯吡格雷容易配制以抑制血小板的聚集。 由式(1)表示的氯吡格雷的包合物以1:2.0-2.5的当量比含有氯吡格雷和β-环糊精,并且通过(1)将氯吡格雷溶解在有机溶剂和酸性溶液的混合溶液中或 蒸馏水; (2)将基于1当量的β-环糊精氯吡格雷的2.0-2.5当量加入到步骤(1)的溶液中,并在30-70℃搅拌该混合物。 C,(3)在0-50℃下用碱金属的氢氧化物中和反应产物。 (4)过滤,洗涤和干燥反应产物,其中在步骤(2)中加入水溶性聚合物。 抗血小板聚集组合物包含氯吡格雷和β-环糊精的包合物。 此外,氯吡格雷是氯吡格雷碱或氯吡格雷盐。
    • 5. 发明公开
    • 보관안정성이 우수한 클로피도그렐 함유 포접 복합체
    • 包括CLOPIDOGREL和BETA-CYCLODEXTRIN的复合物
    • KR1020080055355A
    • 2008-06-19
    • KR1020060128593
    • 2006-12-15
    • 에스케이케미칼주식회사
    • 김재선김남호이진영이남규오준교신지영김태곤윤미선성진흥이윤정박여진엄기안
    • A61K47/40A61K31/4365
    • A61K47/40C07D495/04
    • An inclusion complex of clopidogrel having platelet-aggregating activity and beta-cyclodextrin is provided to improve storage stability of clopidogrel having hygroscopy in a form of free base by reacting with cyclodextrin, and offer physical properties suitable for preparation of formulation. An inclusion complex of clopidogrel represented by the formula(1), having improved storage stability contains the clopidogrel and beta-cyclodextrin in an equivalent ratio of 1:1.0-2.0. A method for preparing the inclusion complex of clopidogrel comprises the steps of: (1) solubilizing clopidogrel in distilled water or acidic solution; (2) adding the solution of step (1) into the distilled water or acidic solution containing 1.0-2 equivalent of beta-cyclodextrin based on 1 equivalent of clopidogrel, and stirring the mixture at 30-70 deg. C; (3) neutralizing the reaction product with hydroxide of alkali metal at 0-50 deg. C; and (4) filtering, washing and drying the reaction product, wherein the clopidogrel is clopidogrel base selected from free base, premix, adsorbate or solid dispersant of clopidogrel, or clopidogrel salt selected from clopidogrel bisulfate, clopidogrel hydrochloride, clopidogrel bromate and clopidogrel benzensulfonate. A composition for inhibiting platelet aggregation comprises the inclusion complex of clopidogrel and beta-cyclodextrin.
    • 提供了具有血小板聚集活性和β-环糊精的氯吡格雷的包合物,以通过与环糊精反应来提高具有游离碱形式的吸湿作用的氯吡格雷的储存稳定性,并提供适于制备制剂的物理性质。 由式(1)表示的具有改善的储存稳定性的氯吡格雷的包合络合物含有当量比为1:1.0-2.0的氯吡格雷和β-环糊精。 制备氯吡格雷包合物的方法包括以下步骤:(1)将氯吡格雷溶解于蒸馏水或酸性溶液中; (2)将步骤(1)的溶液加入到含有1.0当量的β-环糊精的蒸馏水或酸性溶液中,基于1当量的氯吡格雷,并在30-70℃搅拌该混合物。 C; (3)在0-50℃下用碱金属氢氧化物中和反应产物。 C; (4)过滤,洗涤和干燥反应产物,其中氯吡格雷是选自氯吡格雷的游离碱,预混物,吸附物质或固体分散剂,或氯吡格雷硫酸盐,盐酸氯吡格雷,溴酸氯吡格雷和苯磺酸盐的氯吡格雷盐。 用于抑制血小板聚集的组合物包含氯吡格雷和β-环糊精的包合物。