期刊
MOLECULES
卷 23, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/molecules23071682
关键词
sulfamides; phosphonates; carbamoylation; sulfamoylation; antibacterial activity
资金
- MDPI
Several new sulfamidocarbonyloxyphosphonates were prepared in two steps, namely carbamoylation and sulfamoylation, by using chlorosulfonyl isocyanate (CSI), alpha-hydroxyphosphonates, and various amino derivatives and related (primary or secondary amines, beta-amino esters, and oxazolidin-2-ones). All structures were confirmed by H-1, C-13, and P-31 NMR spectroscopy, IR spectroscopy, and mass spectroscopy, as well as elemental analysis. Eight compounds were evaluated for their in vitro antibacterial activity against four reference bacteria including Gram-positive Staphylococcus aureus (ATCC 25923), and Gram-negative Escherichia coli (ATCC 25922), Klebsiella pneumonia (ATCC 700603), Pseudomonas aeruginosa (ATCC 27853), in addition to three clinical strains of each studied bacterial species. Compounds 1a-7a and 1b showed significant antibacterial activity compared to sulfamethoxazole/trimethoprim, the reference drug used in this study.
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