Synthesis, biological evaluation, and docking studies of new raloxifene sulfonate or sulfamate derivatives as inhibitors of nucleotide pyrophosphatase/phosphodiesterase

European Journal of Medicinal Chemistry
Mohammed I El-GamalJamshed Iqbal

Abstract

A new series of raloxifene sulfonate/sulfamate derivatives were designed and synthesized. The target compounds were tested for inhibitory effect against nucleotide pyrophosphatase/phosphodiesterase-1 and -3 (NPP1 and NPP3) enzymes. Furthermore, all the ten target compounds were subjected to cytotoxic studies on various cancer cell lines, and the most potent derivatives were explored for their potency against these cancer cell lines as well as F180 fibroblasts to investigate the selectivity indexes. Compound 1f exerted the highest potency against HT-29 colon cancer cell line (IC50 = 1.4 μM) with 8.43-fold selectivity towards HT-29 than F180 fibroblasts. Compound 1f exerted sub-micromolar IC50 values against NPP1 and NPP3 (IC50 = 0.29 μM and 0.71 μM, respectively). The most potent inhibitors were docked in developed homology model of NPP1 and crystal structure of NPP3. All the docked analogues manifested remarkable interactions within the active pocket of NPP1 and NPP3.

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Citations

Nov 23, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Kenneth I OnyedibeHerman O Sintim
Nov 9, 2020·Biochemical Pharmacology·Herbert Zimmermann

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