1-Methyl-2-undecyl-4(1H)-quinolone

1-Methyl-2-undecyl-4(1H)-quinolone is a potent, irreversible and selective inhibitor of type B monoamine oxidase (MAO-B). 1-Methyl-2-undecyl-4(1H)-quinolone shows a selective inhibition of MAO-B activity with the IC50 and Ki values of 15.3 μM and 9.91 μM, respectively, but did not inhibit type A MAO (MAO-A) activity. Methyl-2-undecyl-4(1H)-quinolone, as a quinolone alkaloid, is isolated from fresh leaves and fruits of Evodia rutaecarpa HOOK. f. et THOMS[1][2].