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Dube, Phelelisiwe S. ; Legoabe, Lesetja J. ; Jordaan, Audrey , et al. Eur. J. Med. Chem.,2023,258,115539. DOI: 10.1016/j.ejmech.2023.115539 PubMed ID: 37321107
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Abstract: Mycobacterium tuberculosis (Mtb) has an impermeable cell wall which gives it an inherent ability to resist many antibiotics. DprE1, an essential enzyme in Mtb cell wall synthesis, has been validated as a target for several TB drug candidates. The most potent and developmentally advanced DprE1 inhibitor, PBTZ169, is still undergoing clin. development. With high attrition rate, there is need to populate the development pipeline. Using a scaffold hopping strategy, we imprinted the benzenoid ring of PBTZ169 onto a quinolone nucleus. Twenty-two compounds were synthesized and screened for activity against Mtb, with six compounds exhibiting sub micromolar activity of MIC90 <0.244 μM. Compound 25 further demonstrated sub-micromolar activity when evaluated against wild-type and fluoroquinolone-resistant Mtb strains. This compound maintained its sub-micromolar activity against a DprE1 P116S mutant strain but showed a significant reduction in activity when tested against the DprE1 C387S mutant.
Keywords: DprE1 ; Quinolone ; Nitro compounds ; Mycobacterium tuberculosis ; Benzothiazinone
Purchased from AmBeed: 104-86-9 ; 100-82-3 ; 4152-90-3 ; 1377239-83-2 ; 100-81-2 ; 400-98-6 ; 72235-53-1 ; 89-97-4 ; 190140-20-6
CAS No. : | 104-86-9 | MDL No. : | MFCD00008121 |
Formula : | C7H8ClN | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | YMVFJGSXZNNUDW-UHFFFAOYSA-N |
M.W : | 141.60 | Pubchem ID : | 66036 |
Synonyms : |
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Chemical Name : | (4-Chlorophenyl)methanamine |
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P210-P273-P280-P305+P351+P338-P310 | UN#: | 2735 |
Hazard Statements: | H227-H302+H312-H314-H402 | Packing Group: | Ⅱ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
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