Journal
JOURNAL OF MEDICINAL CHEMISTRY
Volume 51, Issue 16, Pages 4874-4880Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jm800132g
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Funding
- MURST
- Ministerio de Sanidad Y Consumo [FISS PI061537]
- Xunta de Galicia [PGIDIT05BTF20302PR]
- Conselleria de Educacion e Ordenacion Universitaria de la Xunta de Galicia
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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 IC(50) values ranging between 26.81 +/- 2.74 mu M 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.
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