Bioorganic & Medicinal Chemistry Letters 2006-06-15

Inhibitory activity of cyclohexenyl chalcone derivatives and flavonoids of fingerroot, Boesenbergia rotunda (L.), towards dengue-2 virus NS3 protease.

Tan Siew Kiat, Richard Pippen, Rohana Yusof, Halijah Ibrahim, Norzulaani Khalid, Noorsaadah Abd Rahman

Index: Bioorg. Med. Chem. Lett. 16 , 3337-40, (2006)

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Abstract

Boesenbergia rotunda (L.) cyclohexenyl chalcone derivatives, 4-hydroxypanduratin A and panduratin A, showed good competitive inhibitory activities towards dengue 2 virus NS3 protease with the Ki values of 21 and 25 microM, respectively, whilst those of pinostrobin and cardamonin were observed to be non-competitive. NMR and GCMS spectroscopic data formed the basis of assignment of structures of the six compounds isolated.

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