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    • 14. 发明授权
    • Methods for inhibiting the growth of tumors with 7-substituted camptothecin derivatives
    • 用7-取代的喜树碱衍生物抑制肿瘤生长的方法
    • US06306868B1
    • 2001-10-23
    • US09643256
    • 2000-08-22
    • Lucio MerliniSergio PencoFranco Zunino
    • Lucio MerliniSergio PencoFranco Zunino
    • A61K31436
    • C07D491/22
    • Compounds of formula (I), wherein: R1 is —CN, —CH(CN)—R4, —CH═C(CN)—R4, —CH2—CH(CN)—R4, —C(═NOH)—NH2, —C(═NH)—NH2, —CH═C(NO2)—R4, —CH(CN)—R5, —CH(CH2NO2)—R5; 5-tetrazolyl, 2-(4,5-dihydrooxazolyl), 1,2,4-oxadiazolin-3-yl-5-one; R2 is hydrogen; R3 is hydrogen, OR6; R4 is hydrogen, C1-C6 linear or branched alkyl, CN, COOR7; R5 is hydrogen, OR8; R6 is hydrogen, C1-C6 linear or branched alkyl, (C6-C12) aryl (C1-C4) alkyl, (C1-C4) alkoxy (C1-C4) alkyl, (C1-C4) alkyl (C6-C12) aryl, (C6-C12) aryl (C2-C4) acyl, (C2-C4) acyl, amino (C1-C4) alkyl, amino (C2-C4) acyl, glycosyl; R7 is hydrogen, C1-C6 linear or branched alkyl, (C6-C12) aryl (C1-C4) alkyl, (C1-C4) alkoxy (C1-C4) alkyl, (C1-C4) alkyl (C6-C12) aryl; R8 has the same meanings of R6, independently of the latter. These compounds are active as topoisomerase I inhibitors and can be used as antitumor drugs.
    • 式(I)化合物,其中:R1是-CN,-CH(CN)-R4,-CH = C(CN)-R4,-CH2-CH(CN)-R4,-C(= NOH) ,-C(= NH)-NH 2,-CH = C(NO 2)-R 4,-CH(CN)-R 5,-CH(CH 2 NO 2) 5-四唑基,2-(4,5-二氢恶唑基),1,2,4-恶二唑啉-3-基-5-酮; R2是氢; R3是氢,OR6; R4是氢,C1-C6直链或支链烷基,CN,COOR7; R5是氢,OR8; R6是氢,C1-C6直链或支链烷基,(C6-C12)芳基(C1-C4)烷基,(C1-C4)烷氧基(C1-C4)烷基,(C1-C4) ,(C 6 -C 12)芳基(C 2 -C 4)酰基,(C 2 -C 4)酰基,氨基(C 1 -C 4)烷基,氨基(C 2 -C 4)酰基,糖基; R7是氢,C1-C6直链或支链烷基,(C6-C12)芳基(C1-C4)烷基,(C1-C4)烷氧基(C1-C4)烷基,(C1-C4) ; R8与R6具有相同的含义,独立于后者。 这些化合物作为拓扑异构酶I抑制剂是有活性的,可用作抗肿瘤药物。