Abstract
AbstractFidaxomicin (FDX) is a marketed antibiotic for the treatment of Clostridioides difficile infections (CDI). Fidaxomicin displays antibacterial properties against many Gram-positive bacteria, yet the application of this antibiotic is currently limited to treatment of CDI. Semisynthetic modifications present a promising strategy to improve its pharmacokinetic properties and also circumvent resistance development by broadening the structural diversity of the derivatives. Here, based on a rational design using cryo-EM structural analysis, we implement two strategic site-selective catalytic reactions with a special emphasis to study the role of the carbohydrate units. Site-selective introduction of various ester moieties on the noviose as well as a Tsuji–Trost type rhamnose cleavage allow the synthesis of novel fidaxomicin analogs with promising antibacterial activities against C. difficile and Mycobacterium tuberculosis.
Funder
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Swiss Lung Association
Publisher
Springer Science and Business Media LLC
Subject
Materials Chemistry,Biochemistry,Environmental Chemistry,General Chemistry
Cited by
7 articles.
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