Synthesis, Stereochemical Identification, and Selective Inhibitory Activity against Human Monoamine Oxidase-B of 2-Methylcyclohexylidene-(4-arylthiazol-2-yl)hydrazones

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• 作者：Franco Chimenti ; Elias Maccioni ; Daniela Secci ; Adriana Bolasco ; Paola Chimenti ; Arianna Granese ; Simone Carradori ; Stefano Alcaro ; Francesco Ortuso ; Matilde Yá ; ñ ; ez ; Francisco Orallo ; Rober
• 刊名：Journal of Medicinal Chemistry
• 出版年：2008
• 出版时间：August 28, 2008
• 年：2008
• 卷：51
• 期：16
• 页码：4874-4880
• 全文大小：205K
• 年卷期：v.51,no.16(August 28, 2008)
• ISSN：1520-4804

文摘

A series of 2-methylcyclohexylidene-(4-arylthiazol-2-yl)hydrazones have been investigated for their ability to inhibit selectively the activity of the human A and B isoforms of monoamine oxidase (MAO). The target compounds, which present a stereogenic center on the cyclohexane ring, were obtained as pure (R) and (S) enantiomers by enantioselective HPLC. The absolute configuration of homochiral forms isolated on a semipreparative scale was obtained by a combined strategy based on chemical correlation and single-crystal X-ray diffraction. All compounds showed higher activity against the human MAO-B isoform with IC₅₀ values ranging between 26.81 ± 2.74 μM and 14.20 ± 0.26 nM, and the assays carried out on the pure enantiomers showed higher activity for the (R) form. A computational study was performed by molecular mechanics, DFT-based quantomechanics, and docking techniques on the most active and human MAO-B selective inhibitor 8.