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    • 6. 发明申请
    • Actinium-225 complexes and conjugates for targeted radiotherapy
    • 锕-225复合物和共轭物用于靶向放射治疗
    • US20040067924A1
    • 2004-04-08
    • US10664670
    • 2003-09-18
    • R. Keith FrankJaime SimonGarry E. Kiefer
    • C07F005/00A61K031/555A61K051/00
    • A61K51/0497A61K51/0482
    • 225Ac complexes comprising a functionalized polyazamacrocyclic chelant compound of the formula I hereinbelow: 1 G is independently hydrogen or 2 each Q is independently hydrogen, (CHR5)pCO2R or (CHR5)pPO3R6R7 or 3 Q1 is hydrogen, (CHR5)wCO2R or (CHR5)wPO3R6R7; each R is independently hydrogen, benzyl or C1-C4 alkyl; R6 and R7 are independently H, C1-C6 alkyl or (C1-C2 alkyl)phenyl; each R5 is independently hydrogen; C1-C4 alkyl or (C1-C2 alkyl)phenyl; with the proviso that at least two of the sum of Q and Q1 must be other than hydrogen; A is CH, N, CnullBr, CnullCl, CnullSO3H, CnullOR8, CnullOR9NnullnullR10Xnull, or 4 Z and Z1 independently are CH, N, CnullSO3H, NnullnullR10Xnull, CnullCH2nullOR8 or CnullC(O)nullR11; R8 is H, C1-C5 alkyl, benzyl, or benzyl substituted with at least one R12; R9 is C1-C16 alkylamino; R10 is C1-C16 alkyl, benzyl, or benzyl substituted with at least one R12; R11 is nullOnull(C1-C3 alkyl), OH or NHR13; R12 is H, NO2, NH2, isothiocyanato, semicarbazido, thiosemicarbazido, maleimido, bromoacetamido or carboxyl; R13 is C1-C5 alkyl; X and Y are each independently hydrogen or may be taken with an adjacent X and Y to form an additional carbon-carbon bond; n is 0 or 1; m is an integer from 0 to 10 inclusive; p is 1 or 2; r is 0 or 1; w is 0 or 1; with the proviso that n is only 1 when X and/or Y form an additional carbon-carbon bond, and the sum of r and w is 0 or 1; L is a linker/spacer group covalently bonded to, and replaces one hydrogen atom of one of the carbon atoms to which it is joined, said linker/spacer group being represented by the formula 5 nullwherein: s is an integer of 0 or 1; t is an integer of 0 to 20 inclusive; R1 is H or an electrophilic or nucleophilic moiety which allows for covalent attachment to a biological carrier, or synthetic linker which can be attached to a biological carrier, or precursor thereof; and Cyc represents a cyclic aliphatic moiety, aromatic moiety, aliphatic heterocyclic moiety, or aromatic heterocyclic moiety, each of said moieties optionally substituted with one or more groups which do not interfere with binding to a biological carrier; with the proviso that when R1 is H, the linkage to the biological carrier is through one of Q or Q1; and with the proviso that when R1 is other than H, at least one of Q and Q1 must be (CHR5)pPO3R6R7; and with further proviso that when Q is (CHR5)pCO2R, Q1 is (CHR5)wCO2R, R is H, R5 is H, and R1 is H, then the sum of m, n, p, r, s, t, and w is greater than 1; or pharmaceutically acceptable salts thereof; complexed with 225Ac
    • 包含下文式I的官能化的多氮杂环丁基螯合剂的Ac络合物:G独立地为氢或每个Q独立地为氢,(CHR 5)p CO 2 R或(CHR 5)p PO 3 R 6 R 7 或Q 1是氢,(CHR 5)w CO 2 R或(CHR 5)w PO 3 R 6 R 7; 每个R独立地是氢,苄基或C 1 -C 4烷基; R 6和R 7独立地为H,C 1 -C 6烷基或(C 1 -C 2烷基)苯基; 每个R 5独立地是氢; C 1 -C 4烷基或(C 1 -C 2烷基)苯基; 条件是Q和Q 1之和中的至少两个必须不是氢; A是CH,N,C-Br,C-Cl,C-SO 3 H,C-OR 8,C-OR 9,N + R 10 X或Z和Z' 独立地是CH,N,C-SO 3 H,N + -R 10, - C-CH 2 - 或8或CC(O)-R 11; R 8是H,C 1 -C 5烷基,苄基或被至少一个R 12取代的苄基; R 9是C 1 -C 16烷基氨基; R 10是被至少一个R 12取代的C 1 -C 16烷基,苄基或苄基; R 11是-O-(C 1 -C 3烷基),OH或NHR 13; R 12是H,NO 2,NH 2