Combined Chemical-Enzymatic Assembly of Aminoglycoside Derivatives with N-1-AHB Side Chain
作者:Igor Nudelman、Lilach Chen、Nicholas M. Llewellyn、El-Habib Sahraoui、Marina Cherniavsky、Jonathan B. Spencer、Timor Baasov
DOI:10.1002/adsc.200800229
日期:2008.8.4
A series of unprotected pseudo-disaccharides and pseudo-trisaccharides of 2-deoxystreptamine-containing aminoglycosides have been selectively acylated at the N-1 position with the valuable (S)-4-amino-2-hydroxybutanoyl (AHB) pharmacophore by using the recombinant BtrH and BtrG enzymes from butirosin biosynthesis in combination with a synthetic acyl donor. The process was optimized by performing two
A series of new derivatives of the clinically used aminoglycoside antibiotic paromomycin were designed, synthesized, and their ability to read-through premature stop codon mutations was examined in both in vitro translation system and ex vivo mammalian cultured cells. One of these structures, a pseudo-trisaccharide derivative, showed notably higher stop codon read-through activity in cultured cells compared to those of paromomycin and gentamicin. (c) 2006 Elsevier Ltd. All rights reserved.
Compounds having antibacterial activity are disclosed. The compounds have a structure including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein Q1 and Q2 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.