作者:Rebecca J. Abraham、Andrew J. Stevens、Kelly A. Young、Cecilia Russell、Anastasia Qvist、Manouchehr Khazandi、Hui San Wong、Sam Abraham、Abiodun D. Ogunniyi、Stephen W. Page、Ryan O’Handley、Adam McCluskey、Darren J. Trott
DOI:10.1021/acs.jmedchem.5b01797
日期:2016.3.10
also accommodated a CH2OH moiety (75; 2,2′-bis[1-(4-chlorophenyl)-2-hydroxyethylidene]carbonimidic dihydrazide). Analogues 1, 27 (2,2′-bis[4-(1,1-dimethylethyl)phenyl]methylene}carbonimidic dihydrazide), and 69 (2,2′-bis[1-(4-chlorophenyl)ethylidene]carbonimidic dihydrazide hydrochloride) were active against 24 clinical MRSA and MSSA isolates. No dose-limiting cytotoxicity at ≥2× MIC or hemolysis at
Robenidine 1(2,2'-双[(4-氯苯基)亚甲基]羰基二酰肼)具有抗MRSA和VRE的活性,MIC分别为8.1和4.7μM。SAR显示4-F(8),3-F(9),3-CH 3(22)和4-C(CH 3)3(27)(23.7–71μM)和用3-Cl(3),4-CH 3(21)和4-CH(CH 3)2(26)(8.1-13.0μM)。亚胺碳烷基化确定了一个甲基/乙基结合口袋,该口袋也可以容纳CH 2 OH部分(75; 2,2'-双[1-(4-氯苯基)-2-羟基亚乙基]亚氨基二酰肼。类似物1,27(2,2'-双[4-(1,1-二甲基乙基)苯基]亚甲基}肼carbonimidic)和69(2,2'-双[1-(4-氯苯基)亚乙基] carbonimidic盐酸二酰肼)对24种临床MRSA和MSSA分离物具有活性。在≥2xMIC时未观察到剂量限制的细胞毒性,在≥8xMIC时未观察到溶血。