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Novel chelating agents and conjugates thereof, their synthesis and use as diagnois and therapeutic agents
Novel chelating agents and conjugates thereof, their synthesis and use as diagnois and therapeutic agents
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机译:新型螯合剂及其缀合物,其合成及用作诊断和治疗剂
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摘要
The present invention relates to novel bifunctional chelates that are based on asymmetrical cyclen derivatives. The chelates contain either three acetates and one methylphosphonic arm or three acetates and one methylphosphonic arm enabling to link the chelate through P-alkyl within phosphoric acid derivative or through PO-alkyl within phosphonic derivative to any organic back-bone suited for targeting. Suitable targeting moieties are monoclonal antibodies, their fragments and recombinant derivatives such as single chain antibodies, diabodies, triabodies, humanized, human or chimeric variants but also peptides, aptamers, spiegelmers, nucleotides, anti sense oligomers and conventional small molecules. These novel bifunctional chelates are suited for the production of kits for the routine labelling of targeting moieties to be used in radiotherapy with radiometals such as Yttrium-90, or for Magnetic Resonance Imagining (MRI) using Gadolinium.
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