Add time:08/13/2019         Source:sciencedirect.com

An efficient, one-pot and four-component synthesis of a new series of 2,3-disubstituted isoindolin-1-ones is described and their Jack bean urease inhibitory activities are evaluated. Heating a mixture of 1,1-bis(methylthio)-2-nitroethene, a 1,2-diamine, a 2-formylbenzoic acid and a primary amine in EtOH for 3.5 h afforded the corresponding 2,3-disubstituted isoindolin-1-ones in good to excellent yields. All sixteen synthesized isoindolin-1-one derivatives 5a–p showed urease inhibitory activity. Among them, 5c showed the most urease inhibitory activity (IC50 = 10.07 ± 0.28 µM) being over 2-fold more potent than thiourea (IC50 = 22.01 ± 0.10 µM) and 10-fold than hydroxyurea (IC50 = 100.00 ± 0.02 µM) as the standard inhibitors, respectively. Also, results from molecular docking studies were in good agreement with those obtained from in vitro tests.

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