避免接触强氧化剂。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-氯-3-硝基香豆素 | 4-chloro-3-nitro-chromen-2-one | 38464-20-9 | C9H4ClNO4 | 225.588 |
4-羟基香豆素 | 4-hydroxy[1]benzopyran-2-one | 1076-38-6 | C9H6O3 | 162.145 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-amino-4-hydroxy-2H-chromen-2-one | 5725-79-1 | C9H7NO3 | 177.159 |
—— | 3-acetamido-4-hydroxycoumarin | 13948-45-3 | C11H9NO4 | 219.197 |
4-氯-3-硝基香豆素 | 4-chloro-3-nitro-chromen-2-one | 38464-20-9 | C9H4ClNO4 | 225.588 |
—— | N-(4-hydroxycoumarin-3-yl)acrylamide | —— | C12H9NO4 | 231.208 |
—— | 4-(butylamino)-3-nitro-2H-chromen-2-one | 50527-27-0 | C13H14N2O4 | 262.265 |
—— | 4-(3-hydroxypropylamino)-3-nitro-2H-chromen-2-one | —— | C12H12N2O5 | 264.238 |
—— | 4-(tert-butylamino)-3-nitro-2H-chromen-2-one | 50527-28-1 | C13H14N2O4 | 262.265 |
—— | N-(4-hydroxycoumarin-3-yl)benzamide | 101727-50-8 | C16H11NO4 | 281.268 |
—— | 3-anilino-4-nitrocoumarin | 50527-30-5 | C15H10N2O4 | 282.255 |
—— | 4-(sec-butylamino)-3-nitro-2H-chromen-2-one | —— | C13H14N2O4 | 262.265 |
4-(萘-1-基氨基)-3-硝基色烯-2-酮 | 4-(1-naphthylamino)-3-nitrocoumarin | 88353-27-9 | C19H12N2O4 | 332.315 |
—— | 4-(3,3-dimethyl-n-but-1-ynyl)-3-nitrocoumarin | 1202395-42-3 | C15H13NO4 | 271.273 |
—— | 4-(benzylamino)-3-nitro-2H-chromen-2-one | 50527-29-2 | C16H12N2O4 | 296.282 |
—— | 4-((trimethylsilyl)ethynyl)-3-nitrocoumarin | 1202395-43-4 | C14H13NO4Si | 287.347 |
—— | 4-(furan-2-ylmethylamino)-3-nitro-2H-chromen-2-one | —— | C14H10N2O5 | 286.244 |
—— | 3-nitrochromone | 59507-92-5 | C9H5NO4 | 191.143 |
—— | 4-[(4-acetylphenyl)amino]-3-nitrocoumarin | —— | C17H12N2O5 | 324.293 |
—— | 3-nitro-4-(2-pyridylamino)coumarin | 56962-67-5 | C14H9N3O4 | 283.243 |
—— | 4-[(6-methylpyridin-2-yl)amino]-3-nitro-2H-chromen-2-one | 178924-58-8 | C15H11N3O4 | 297.27 |
—— | 4-[(4-methylpyridin-2-yl)amino]-3-nitro-2H-chromen-2-one | —— | C15H11N3O4 | 297.27 |
—— | 4-(3-Methyl-pyridin-2-ylamino)-3-nitro-chromen-2-one | 178924-55-5 | C15H11N3O4 | 297.27 |
Due to a confirmed antimicrobial activity of both natural and synthetic coumarin derivatives, the present study was envisaged to provide a further insight into the antimicrobial potential of coumarins through a screening of a designed library of nine 4-(alkylamino)-3-nitrocoumarins against a panel of 24 laboratory strains and resistant (isolates) bacterial and fungal pathogens. All compounds showed some degree of strain-selective activity, that was, in some cases, very pronounced, reaching the value of 0.04 nmol/ml (i.e. 12 ng/ml) for the minimal inhibitory concentration against Candida albicans. The observed activity was higher against Gram-negative strains, among which the most susceptible strain, among both ATCC strains and clinical isolates, was Salmonella enteritidis. These results point out to a high potential of these coumarins as antimicrobials for the treatment of gastrointestinal and other infections caused by highly resistant microbial strains. Finally, a multivariate statistical analysis of the herein obtained and previous results on the antimicrobial activity of related selected coumarins was performed to allow an easier structure-activity discussion.