A series of coumarin-based trisubstituted methanes (TRSMs) having uracil scaffold was synthesised employing a green, chromatography-free, and a highly efficient sonochemical multicomponent reaction of diverse aldehydes with 1,3-dimethyl-6-aminouracil and 4-hydroxy-coumarin in the presence of acatalytic amount of DABCO at room temperature and tested their anthelmintic efficacy against helminth parasites, Raillietina echinobothrida and Syphacia obvelata. Some of the TRSMs with substituents in the para position of the phenyl ring showed excellent anthelmintic activity in comparison to the commonly used drugs such as albendazole and praziquantel. The docking study revealed the binding interaction of all the optimizedcompounds with several amino acid residues in the active site of b-tubulin. The compounds showing gooddocking score with b-tubulin showed comparable anthelmintic activity experimentally as well.
Volume 133, 2021
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