Direct synthesis of mycophenolic acid aryl esters with antioxidant and antiproliferative properties

Abstract Naturally occurring phenols were incorporated into the mycophenolic acid (MPA) core to form sixteen new MPA derivatives. Ester conjugates of MPA with isoeugenol, methyl o-coumarate, and raspberry ketone exhibited the highest antioxidant activity in the DPPH test. These derivatives were then...

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Main Authors: Juliusz Walczak, Dorota Iwaszkiewicz-Grześ, Magdalena Śliwka-Kaszyńska, Agnieszka Kurdyn, Ewa Augustin, Agnieszka Viapiana, Alina Plenis, Grzegorz Cholewiński
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-11871-5
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Summary:Abstract Naturally occurring phenols were incorporated into the mycophenolic acid (MPA) core to form sixteen new MPA derivatives. Ester conjugates of MPA with isoeugenol, methyl o-coumarate, and raspberry ketone exhibited the highest antioxidant activity in the DPPH test. These derivatives were then tested against the human pancreatic cancer AsPC-1 cells, showing cytotoxicity similar to that of the referential parent compounds MPA and mycophenolate mofetil (MMF). Subsequently, most of the obtained MPA esters proved activity against the T-Jurkat cells and peripheral blood mononuclear cells (PBMCs), serving as an immunosuppressive model, and worked as inosine-5’-monophosphate dehydrogenase (IMPDH) inhibitors. The most promising immunosuppressive conjugates were the esters of MPA with sesamol and raspberry ketone structural motifs, which held the highest selectivity index (SI) for PBMCs, thus serving as a good starting point for new drug development.
ISSN:2045-2322