Cage-like bifunctional chelators, copper-64 radiopharmaceuticals and PET imaging using the same
申请人:Conti Peter S.
公开号:US09403875B2
公开(公告)日:2016-08-02
Disclosed is a class of versatile Sarcophagine based bifunctional chelators (BFCs) containing a hexa-aza cage for labeling with metals having either imaging, therapeutic or contrast applications radiolabeling and one or more linkers (A) and (B). The compounds have the general formula
where A is a functional group selected from group consisting of an amine, a carboxylic acid, an ester, a carbonyl, a thiol, an azide and an alkene, and B is a functional group selected from the group consisting of hydrogen, an amine, a carboxylic acid, and ester, a carbonyl, a thiol, an azide and an alkene. Also disclosed are conjugate of the BFC and a targeting moiety, which may be a peptide or antibody. Also disclosed are metal complexes of the BFC/targeting moiety conjugates that are useful as radiopharmaceuticals, imaging agents or contrast agents.
本文披露了一类多功能的以蜂巢六氮杂环为基础的双功能螯合剂(BFCs),用于与具有成像、治疗或对比应用的金属进行标记,放射标记和一个或多个连接物(A)和(B)。这些化合物具有以下通用公式,其中A是从胺、羧酸、酯、酮、硫醇、叠氮和烯烃组成的功能基团中选择的功能基团,B是从氢、胺、羧酸、酯、酮、硫醇、叠氮和烯烃组成的功能基团中选择的功能基团。还披露了BFC和靶向基团(可能是肽或抗体)的结合物。还披露了BFC/靶向基团结合物的金属配合物,可用作放射性药物、成像剂或对比剂。