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Novel fidaxomicin antibiotics through site-selective catalysis

Dailler, David; Dorst, Andrea; Schäfle, Daniel; Sander, Peter; Gademann, Karl (2021). Novel fidaxomicin antibiotics through site-selective catalysis. Communications Chemistry, 4:59.

Abstract

Fidaxomicin (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.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Medical Microbiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Scopus Subject Areas:Life Sciences > Biochemistry
Physical Sciences > General Chemistry
Physical Sciences > Environmental Chemistry
Physical Sciences > Materials Chemistry
Language:English
Date:10 May 2021
Deposited On:21 Oct 2021 16:05
Last Modified:26 Oct 2024 01:37
Publisher:Nature Publishing Group
ISSN:2399-3669
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1038/s42004-021-00501-6
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  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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