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Updated: Feb 28, 2026

Synthesis and Characterization of an Aspirin-fumarate Prodrug that Inhibits NFκB Activity and Breast Cancer Stem Cells
Published on: January 18, 2017
Ru-Based NSAIDs as Potential Anticancer Therapeutics
Silvia Bordoni1, Magda Monari2, Carla Boga1
1Department of Industrial Chemistry 'Toso Montanari', Alma Mater Studiorum, Università di Bologna, Via Piero Gobetti, 85, 40129 Bologna, Italy.
Abstract:
The use of metal-based species bearing existing pharmaceuticals as ligands-often resulting in enhanced bioactivity-represents an attractive strategy for the development of novel therapeutic formulations. In this context, five well-known non-steroidal anti-inflammatory drugs (NSAIDs) were employed to substitute both PPh3 and hydride ligands in [Ru(H)2(CO)(PPh3)3] (1), thereby selectively affording neutral κ2-(O,O)-chelate complexes in satisfactory yields via molecular hydrogen release. Among the obtained species, two complexes coordinating diclofenac (4) and aspirin (5) were further investigated by single-crystal X-ray diffraction (SCXRD). Preliminary biological studies were conducted on the ruthenium-salicylic acid species 2 and ibuprofen 6. The former showed promising antiproliferative activity against HeLa cancer cells, consistent with the well-established role of NSAID-ruthenium(II) complexes as a platform for the development of novel anticancer metallotherapeutics.
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