We describe an unprecedented dual C-H functionalization of indolin-2-one via an oxidative C(sp3)-H/N-H/X-H (X = N, C, S) cross-coupling protocol, which is catalyzed by a simple iron salt under mild and ligand-free conditions and employs air (molecular oxygen) as the terminal oxidant. This method is readily applicable for the construction of tetrasubstituted carbon centers from methylenes and provides
Design, synthesis and docking studies of some spiro-oxindole dihydroquinazolinones as antibacterial agents
作者:Jin Zhang、Jiawen Zhao、Liangpeng Wang、Jia Liu、Decheng Ren、Yangmin Ma
DOI:10.1016/j.tet.2015.12.055
日期:2016.2
Two series of spiro-oxindole dihydroquinazolinone derivatives have been designed and synthesized using a catalytic amount of nano cerium oxide with excellent product yields by a convenient one-pot process. The synthesized compounds were evaluated for their in vitro antibacterial activity, and compounds 1i-1p showed considerable antibacterial activities to Escherichia coli. Molecular docking of E. coli Biotin Carboxylase (EcBC) enzyme was also performed in order to predict the interactions of the synthesized compounds. (C) 2016 Published by Elsevier Ltd.