Abstract
This paper describes the synthesis and biological evaluation of a new class of peptidomimetic falcipain-2 inhibitors based on a 1,4-benzodiazepine scaffold combined with various alpha,beta-unsaturated electrophilic functions such as vinyl-ketone, -amide, -ester, and -nitrile. The profile of reactivity of this class of derivatives has been evaluated and 4c, containing a vinyl ester warhead, proved to be a highly potent and selective falcipain-2 inhibitor.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Antimalarials / chemical synthesis*
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Antimalarials / chemistry
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Antimalarials / pharmacology
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Benzodiazepines / chemical synthesis*
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Benzodiazepines / chemistry
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Benzodiazepines / pharmacology
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Caco-2 Cells
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Catalytic Domain
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Cathepsin B / antagonists & inhibitors
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Cathepsin L
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Cathepsins / antagonists & inhibitors
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Cell Line
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Cell Membrane Permeability
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Cysteine Endopeptidases / chemistry*
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Cysteine Proteinase Inhibitors / chemical synthesis*
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Cysteine Proteinase Inhibitors / chemistry
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Cysteine Proteinase Inhibitors / pharmacology
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Esters
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Humans
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Mice
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Molecular Mimicry
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Peptides / chemistry*
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Plasmodium falciparum / drug effects
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Recombinant Proteins / antagonists & inhibitors
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Recombinant Proteins / chemistry
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Structure-Activity Relationship
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Vinyl Compounds / chemical synthesis*
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Vinyl Compounds / chemistry
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Vinyl Compounds / pharmacology
Substances
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Antimalarials
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Cysteine Proteinase Inhibitors
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Esters
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Peptides
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Recombinant Proteins
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Vinyl Compounds
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Benzodiazepines
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Cathepsins
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Cysteine Endopeptidases
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falcipain 2
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Cathepsin B
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CTSL protein, human
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Cathepsin L
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Ctsl protein, mouse