Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 60, Issue 20, Pages 11153-11157Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202017318
Keywords
bioactivity; nanostructures; self-assembly; supramolecular structures
Categories
Funding
- National Natural Science Foundation of China [21871077, 21625101, 21671054, 21771052, 22071042]
- National Basic Research Program of China (973 program) [2014CB932104]
- Program for Innovation Teams in Science and Technology in Universities of Henan Province [20IRTSTHN004]
- First-Class Discipline Cultivation Project of Henan University [2019YLZDYJ02, CJ1205A0240019]
- Ulm University
- Deutsche Forschungsgemeinschaft DFG
- Projekt DEAL
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The study demonstrates how the aggregation of giant molecular metal oxide superstructures can be driven using organotin and lanthanide cations, with detailed structural analysis. Initial biomedical tests show inhibitory effects of the compound on cancer cell proliferation, indicating potential applications in cancer treatment.
The hierarchical aggregation of molecular nanostructures from multiple components is a grand synthetic challenge, which requires highly selective linkage control. We demonstrate how two orthogonal linkage groups, that is, organotin and lanthanide cations, can be used to drive the aggregation of a giant molecular metal oxide superstructure. The title compound {[(Sn(CH3)(2))(2)O](4){[CeW5O18] [TeW4O16][CeSn(CH3)(2)](4)[TeW8O31](4)}(2)}(46-) (1 a) features dimensions of ca. 2.2x2.3x3.4 nm(3) and a molecular weight of ca. 25 kDa. Structural analysis shows the hierarchical aggregation from several independent subunits. Initial biomedical tests show that 1 features an inhibitory effect on the proliferation of HeLa cells based on an apoptosis pathway. In vivo experiments in mice reveal the antiproliferative activity of 1 and open new paths for further development of this new compound class.
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