Journal
ACS OMEGA
Volume 6, Issue 1, Pages 103-112Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.0c03623
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Funding
- University of Delhi under DU-DST Purse Grant
- DRDO
- Bundesministerium fur Bildung und Forschung (BMBF) through the NanoMatFutur award [13N12561]
- Einstein Foundation
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Novel pyrimidine-based cationic amphiphiles were synthesized using naturally occurring biocompatible precursors, demonstrating excellent anti-tubercular activity, with one compound showing significantly higher activity against multidrug-resistant clinical isolates of Mycobacterium tuberculosis compared to first-line anti-tubercular drugs streptomycin and isoniazid.
Pyrimidine-based cationic amphiphiles (PCAms), i.e., di-trifluoroacetic acid salts of N1-[1'-(1 '',3 ''-diglycinatoxypropane- 2 ''-yl ) - 1', 2',3'-triazole-4'-yl] methyl-N3- alkylpyrimidines have been synthesized utilizing naturally occurring biocompatible precursors, like glycerol, glycine, and uracil/ thymine in good yields. Synthesized PCAms consist of a hydrophilic head group comprising TFA salt of glyceryl 1,3-diglycinate and hydrophobic tail comprising of C-7 and C-12 N3-alkylated uracil or thymine conjugated via a 4-methylene-1,2,3-triazolyl linker. The physicochemical properties of all PCAms, such as critical aggregation concentration, hydrodynamic diameter, shape, and zeta potential (surface charge) were analyzed. These PCAms were also evaluated for their anti-proliferative and anti-tubercular activities. One of the synthesized PCAm exhibited 4- to 75-fold more activity than first-line anti-tubercular drugs streptomycin and isoniazid, respectively, against the multidrug resistant clinical isolate 591 of Mycobacterium tuberculosis.
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