Rhenium and technetium tricarbonyl complexes anchored by pyrazole-based tripods: novel lead structures for the design of myocardial imaging agents
作者:Leonor Maria、Susana Cunha、Margarida Videira、Lurdes Gano、Ant?nio Paulo、Isabel C. Santos、Isabel Santos
DOI:10.1039/b705226j
日期:——
complexes anchored by ether-containing tris(pyrazolyl)methane or bis(pyrazolyl)ethanamine ligands to be applied in the design of radiopharmaceuticals for myocardial imaging: fac-[(99m)Tc(CO)(3)RC(pz)(3)}](+) (R = H (1a), MeOCH(2) (2a), EtOCH(2) (3a), (n)PrOCH(2) (4a)) and fac-[(99m)Tc(CO)(3)RNHCH(2)CH(pz)(2)}](+) (R = H (5a), MeO(CH(2))(2) (6a)) (pz = pyrazolyl). At the no carrier added level, complexes
这份报告描述了由含醚的三(吡唑基)甲烷或双(吡唑基)乙胺配体锚定的阳离子(99m)Tc-三羰基配合物的合成和生物学评估,该化合物将用于心肌成像的放射性药物设计:fac-[( 99m)Tc(CO)(3)RC(pz)(3)}](+)(R = H(1a),MeOCH(2)(2a),EtOCH(2)(3a),(n)PrOCH (2)(4a))和fac-[(99m)Tc(CO)(3)RNHCH(2)CH(pz)(2)}](+)(R = H(5a),MeO(CH( 2))(2)(6a))(pz =吡唑基)。在无载体添加水平下,通过fac-[(99m)Tc(CO)(3)(H(2)O)(3)]( +)与相应的三脚架螯合剂在水性介质中。所有这些复合物都具有很高的体外和体内稳定性,除了6a可以在体内代谢产生fac-[(99m)Tc(CO)(3)HO(CH(2))(2)NHCH(2)CH( pz)(2)}