Since Mycobacterium tuberculosis sets up several multiple anti-tuberculosis drug resistance mechanisms, development of new drugs with innovative target is urgent. The methylerythritol phosphate pathway (MEP) involved in the biosynthesis of essential metabolites for the survival of mycobacteria, represents such a target. Fosmidomycin la and FR900098 1b, two inhibitors of DXR, do not affect the viability of M. tuberculosis cells, due to a lack of uptake. To overcome the absence of the mycobacterial cell wall crossing of these compounds, we synthesized and tested the inhibition potency of acyloxymethyl phosphonate esters as prodrugs of fosmidomycin la, FR900098 1b and their analogs 2a and 2b on Mycobacterium smegmatis. Only the prodrugs 4b-6b inhibit the bacterial growth and could be effective antimycobacterial agents. (C) 2012 Elsevier Masson SAS. All rights reserved.
Double prodrugs of a fosmidomycin surrogate as antimalarial and antitubercular agents
作者:Charlotte Courtens、Martijn Risseeuw、Guy Caljon、Louis Maes、Paul Cos、Anandi Martin、Serge Van Calenbergh
DOI:10.1016/j.bmcl.2019.03.009
日期:2019.5
A series of eleven doubleprodrug derivatives of a fosmidomycin surrogate were synthesized and investigated for their ability to inhibit in vitro growth of P. falciparum and M. tuberculosis. A pivaloyloxymethyl (POM) phosphonate prodrug modification was combined with various prodrug derivatisations of the hydroxamate moiety. The majority of compounds showed activity comparable with or inferior to fosmidomycin