CN117561268A - 靶向配体及其用途 - Google Patents
靶向配体及其用途 Download PDFInfo
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- CN117561268A CN117561268A CN202380012476.4A CN202380012476A CN117561268A CN 117561268 A CN117561268 A CN 117561268A CN 202380012476 A CN202380012476 A CN 202380012476A CN 117561268 A CN117561268 A CN 117561268A
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Abstract
Description
Claims (23)
- [细则91条20.02.2023]一种具有式(Z-1)所示的可断裂化合物或其药学上可接受的盐,其中R1是O、S、NR3或者CR3R4,其中R3和R4各自独立地是氢、卤素、取代或未取代的脂族基、取代或未取代的芳基、取代或未取代的杂芳基、取代或未取代的杂环或取代或未取代的环烷基;其中R2为-O-,-S-,-NH-,-CH2-,-C(O)-,-OC(O)-,-C(O)O-,-NHC(O)-,-C(O)NH-,-CH2NH-,-CH2O-,-NH-C(O)-CH2-,-C(O)-CH2-NH-,或者-NH(CO)NH-,其中,所述-CH2-任选被选自卤素,烷基,烷氧基,烷氨基的取代基取代;所述a和b相同或者不相同,并且分别选自0到20的整数,优选为1到10的整数,进一步优选为1到5的整数。
- [细则91条20.02.2023]根据权利要求1所述的可断裂化合物或其药学上可接受的盐,其特征在于,所述化合物结构式为:
- [细则91条20.02.2023]一种寡核苷酸配体化合物或其药学上可接受的盐,包括根据权利要求1或2所述的可断裂化合物或其药学上可接受的盐,所述寡核苷酸配体化合物通式为:(I)或者包括通式(II)的结构:其中通式(I)中:Z为所述可断裂化合物,用于与核苷酸序列X连接,所述L1为第二接头部分,E为分支点基团;所述分支点基团E与a1个靶向组合体连接,所述a1为选自0到10的整数,优选1到5的整数;其中所述靶向组合体包括1:1比例的栓系部分L2和靶向部分T;通式(II)中,Y是O或S或N,且L3具有以下结构:其中R2是-O-,-S-,-NH-,-CH2-,-C(O)-,-OC(O)-,-C(O)O-,-NHC(O)-,-C(O)NH-,-CH2NH-,-CH2O-,-NH-C(O)-CH2-,-C(O)-CH2-NH-,或-NH(CO)NH-,其中所述-CH2-任选被选自卤素,烷基的取代基取代,且所述烷基任选进一步被选自羟基、氨基、卤素、烷氧基和烷氨基的取代基取代;所述p,q,r,s,t和u选自0到20的整数,优选为1到10的整数。
- [细则91条20.02.2023]根据权利要求3所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述通式(II)用于与核苷酸序列连接。
- [细则91条20.02.2023]根据权利要求3所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述通式(I)中,所述第二接头部分L1具有以下结构: 或者其中f,g,h和i分别是从1至20的整数,优选为1至10的整数,进一步优选为1至5的整数。
- [细则91条20.02.2023]根据权利要求3所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述通式(I)中,化合物L2的结构式为:其中j,k,l,m,n和o分别是从1至20的整数,优选为1至10的整数,进一步优选为1至5的整数。
- [细则91条20.02.2023]根据权利要求3所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述靶向部分T选自组织的特异性靶向配体,优选地,所述靶向部分T为肝特异性靶向配体;进一步优选地,所述靶向部分T具有用于增强肝细胞对寡聚化合物的摄取的结构。
- [细则91条20.02.2023]根据权利要求3所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述靶向部分T与L3具有相同或不同的结构。
- [细则91条20.02.2023]根据权利要求3-8所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述配体化合物具有以下结构:
- [细则91条20.02.2023]根据权利要求3-8所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述配体化合物包括以下结构:
- [细则91条20.02.2023]根据权利要求3-8所述的寡核苷酸配体化合物或其药学上可接受的盐,其特征在于,所述配体化合物结合核苷酸序列X后具有以下结构:其中Y为O或者S。
- [细则91条20.02.2023]一种RNA干扰剂,包括:正义链和/或反义链,以及根据权利要求3-11中任一项所述的寡核苷酸配体化合物或其药学上可接受的盐。
- [细则91条20.02.2023]根据权利要求12所述的RNA干扰剂,其特征在于,包括反义寡核苷酸,siRNA或miRNA。
- [细则91条20.02.2023]根据权利要求12所述的RNA干扰剂,其特征在于,包括一个或多个修饰的核苷酸。
- [细则91条20.02.2023]根据权利要求12所述的RNA干扰剂,其特征在于,所述正义链和/或反义链上的一个或多个核苷酸被修饰以形成修饰的核苷酸。
- [细则91条20.02.2023]根据权利要求12所述的RNA干扰剂,经由磷酸酯基团、硫代磷酸酯基团或膦酸酯基团与寡核苷酸配体化合物或其药学上可接受的盐连接。
- [细则91条20.02.2023]根据权利要求12所述的RNA干扰剂,其特征在于,所述寡核苷酸配体化合物或其药学上可接受的盐偶联于正义链和/或反义链。
- [细则91条20.02.2023]根据权利要求12所述的RNA干扰剂,其特征在于,所述寡核苷酸配体化合物或其药学上可接受的盐偶联于反义链的5’末端和/或3’末端,或者偶联于正义链的5’末端和/或3’末端。
- [细则91条20.02.2023]一种药物组合物,其包含根据权利要求1或2所述的可断裂化合物或其药学上可接受的盐,或者包含根据权利要求3-11中任一项所述的寡核苷酸配体化合物或其药学上可接受的盐。
- [细则91条20.02.2023]根据权利要求1或2所述的可断裂化合物或其药学上可接受的盐,或者根据权利要求3-11中任一项所述的寡核苷酸配体化合物或其药学上可接受的盐在制备用于预防和/或治疗由肝细胞中特定基因的表达而引起的生理状况或疾病的药物,或者肝细胞功能异常而引起的生理状况或疾病的药物中的用途。
- [细则91条20.02.2023]根据权利要求20所述的用途,其特征在于,所述用途包括将根据权利要求1或2所述的可断裂化合物或其药学上可接受的盐,或者根据权利要求3-11中任一项所述的寡核苷酸配体化合物或其药学上可接受的盐与肝细胞进行接触。
- [细则91条20.02.2023]根据权利要求20所述的用途,其特征在于,所述可断裂化合物在将核酸分子递送至目标细胞后在R2处发生断裂。
- [细则91条20.02.2023]根据权利要求1或2所述的可断裂化合物或其药学上可接受的盐,或者根据权利要求3-11中任一项所述的寡核苷酸配体化合物或其药学上可接受的盐用于靶向结合核酸并将其递送至人或哺乳动物的肝脏细胞的用途。
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