Valente, Claudia; Guedes, Rita C.; Moreira, Rui; Iley, Jim; Gut, Jiri and Rosenthal, Philip J.
Dipeptide vinyl sultams: Synthesis via the Wittig–Horner reaction and activity against papain, falcipain-2 and Plasmodium falciparum.
Bioorganic and Medicinal Chemistry Letters, 16(15) pp. 4115–4119.
The synthesis of phosphonate derivatives of N-phenyl- and N-benzyl-gamma- and delta-sultams, and their application in the Wittig-Horner reaction with N-Boc-L-phenylalanine aldehyde to afford E- and Z-isomers, are described. These compounds were further processed to provide five dipeptide vinyl sultams, which were found to be inactive against papain at concentrations up to 50 microM. In contrast, vinyl sultams demonstrated weak activity against recombinant falcipain-2 and Plasmodium falciparum W2.
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||vinylsultams; enzyme inhibition; Wittig–Horner reaction; Vinyl sultams; Papain; Antimalarials; Cysteine proteases; Falcipain-2; Plasmodium falciparum; Molecular modelling
||21 Aug 2006
||14 Jan 2016 15:59
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