[EN] NOVEL RADIOLABELLED COMPOUNDS FOR DIAGNOSIS OR TREATMENT OF PROSTATE-SPECIFIC MEMBRANE ANTIGEN-EXPRESSING CANCER<br/>[FR] NOUVEAUX COMPOSÉS RADIOMARQUÉS POUR LE DIAGNOSTIC OU LE TRAITEMENT DU CANCER EXPRIMANT UN ANTIGÈNE MEMBRANAIRE SPÉCIFIQUE DE LA PROSTATE
申请人:PROVINCIAL HEALTH SERVICES AUTHORITY
公开号:WO2020210909A1
公开(公告)日:2020-10-22
This application relates to compounds of Formula I. R1a, R1b and R1c is –CO2H, –SO2H, –SO3H, –SO4H, –PO2H, –PO3H or –PO4H. R2 is a linker, e.g. butylene. R3 is a linkage, e.g.–O–, –S–, -S(O)-, S(O)2-, –NHC(O)–, –C(O)NH–, or 1,2,3-triazole. R4 is –(CH2)0-3CH(R7)(CH2)0-3– wherein R7 is -(CH2)5CH3 or certain aromatic fused-ring systems. R5 and R6 are hydrogen or methyl. Each Xaa1 (if present) is an amino acid. RX is a radiolabeling group, e.g.: a radiometal chelator optionally bound by a radiometal; an aryl substituted with a radioisotope; a prosthetic group containing a trifluoroborate; or a prosthetic group containing a silicon-fluorine-acceptor moiety. The compounds may be useful for imaging prostate-specific membrane antigen (PSMA)-expressing tissues or for treating PSMA-expressing diseases (e.g. cancer).
本申请涉及公式I的化合物。R1a,R1b和R1c为-CO2H,-SO2H,-SO3H,-SO4H,-PO2H,-PO3H或-PO4H。R2是一个连接器,例如丁二烯。R3是一个连接,例如-O-,-S-,-S(O)-,S(O)2-,-NHC(O)-,-C(O)NH-或1,2,3-三唑。R4是-(CH2)0-3CH(R7)(CH2)0-3-,其中R7是-(CH2)5CH3或特定的芳香融合环系统。R5和R6是氢或甲基。每个Xaa1(如果存在)都是一种氨基酸。RX是一个放射性标记基团,例如:放射性金属螯合物,可选择地由放射性金属结合;芳基取代的放射性同位素;含三氟硼酸盐的辅助基团;或含硅氟受体基团的辅助基团。这些化合物可能有用于成像前列腺特异性膜抗原(PSMA)表达组织或治疗PSMA表达疾病(例如癌症)。