Bioorganic and Medicinal Chemistry Letters p. 1816 - 1818 (2010)
Update date:2022-09-26
Topics:
Holloway
Parisot
Novello
Watson
Armstrong
Thompson
Street
Baell
A benzhydryl tropinone oxime that is potently toxic to Trypanosoma cruzi has been previously identified. An SAR investigation determined that no part of the original compound was superfluous and all early SAR probes led to significant drops in activity. The only alteration that could be achieved without loss of activity was replacement of the aryl chloride substituent with chloro homologues. This led to the discovery of a trifluoromethyl-containing analogue with an EC50 against T. cruzi of 30 nM and a cytotoxicity selectivity index of over 1000 relative to rat skeletal myoblast L-6 cells.
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