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ACS Med Chem Lett. 2012 Jan 12;3(1):15-19. Epub 2011 Nov 28.

S-Farnesyl-Thiopropionic Acid (FTPA) Triazoles as Potent Inhibitors of Isoprenylcysteine Carboxyl Methyltransferase.

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1
Department of Medicinal Chemistry and Molecular Pharmacology and the Center for Cancer Research, Purdue University, West Lafayette, IN 47907, USA.

Abstract

We report the design and synthesis of novel FTPA-triazole compounds as potent inhibitors of isoprenylcysteine carboxyl methyltransferase (Icmt), through a focus on thioether and isoprenoid mimetics. These mimetics were coupled utilizing a copper-assisted cycloaddition to assemble the potential inhibitors. Using the resulting triazole from the coupling as an isoprenyl mimetic resulted in the biphenyl substituted FTPA triazole 10n. This lipid-modified analog is a potent inhibitor of Icmt (IC(50) = 0.8 ± 0.1 μM; calculated K(i) = 0.4 μM).

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