The present invention relates to new class of functionalized polyazamacrocycles including at least one phosphonic or phosphinic group linked to a nitrogen atom of the macrocyclic cage, and capable of chelating paramagnetic metal ions, their chelated complexes with metal ions and the use thereof as contrast agents, particularly suitable for Magnetic Resonance Imaging (MRI) analysis.
本发明涉及一类新型的功能化多氮杂环,至少含有一个与环状笼的氮原子相连的
磷onic或
磷inic基团,并且能够螯合顺磁性
金属离子,及其与
金属离子的螯合复合物,以及它们作为对比剂的使用,特别适用于磁共振成像(MRI)分析。