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Novel Effective Small-Molecule Antibacterials Against Enterococcus Strains

Novel Effective Small-Molecule Antibacterials Against Enterococcus Strains

Kerolos Ashraf, Kaveh Yasrebi, Tobias Hertlein, Knut Ohlsen, Michael Lalk, Andreas Hilgeroth

Molecules. 2017 Dec 10;22(12):2193.

PMID: 29232858

Abstract:

Enterococcus species cause increasing numbers of infections in hospitals. They contribute to the increasing mortality rates, mostly in patients with comorbidities, who suffer from severe diseases. Enterococcus resistances against most antibiotics have been described, including novel antibiotics. Therefore, there is an ongoing demand for novel types of antibiotics that may overcome bacterial resistances. We discovered a novel class of antibiotics resulting from a simple one-pot reaction of indole and o-phthaldialdehyde. Differently substituted indolyl benzocarbazoles were yielded. Both the indole substitution and the positioning at the molecular scaffold influence the antibacterial activity towards the various strains of Enterococcus species with the highest relevance to nosocomial infections. Structure-activity relationships are discussed, and the first lead compounds were identified as also being effective in the case of a vancomycin resistance.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP643798	Phthaldialdehyde		643-79-8	Price

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