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Novel series of N-benzyl 1,4-dihydropyridines have been prepared by facile syntheses. All relevant substituents of the molecular scaffold have been varied. The resulting compounds were biologically evaluated as P-glycoprotein (P-gp) inhibitors. Substitutions of the N-benzyl residue favour biological activity beside respective 3-ester functions. Most active compounds were further evaluated as multidrug resistance (MDR) modulators to restore the cytotoxic properties of varying daunorubicin applications. Copyright © 2012 Elsevier Ltd. All rights reserved.


Christiane Baumert, Marianne Günthel, Sören Krawczyk, Marc Hemmer, Tom Wersig, Andreas Langner, Joséf Molnár, Hermann Lage, Andreas Hilgeroth. Development of small-molecule P-gp inhibitors of the N-benzyl 1,4-dihydropyridine type: novel aspects in SAR and bioanalytical evaluation of multidrug resistance (MDR) reversal properties. Bioorganic & medicinal chemistry. 2013 Jan 1;21(1):166-77

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PMID: 23199479

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