designed and synthesized. A part of 10, 17, and 21 displayed potent inhibition of Escherichia coli pyruvate dehydrogenase complex E1 (E. coli PDHc-E1) (IC50 = 2.12–18.06 μM) and good inhibition of Synechocystis sp. PCC 6803 (EC50 = 0.7–7.1 μM) and Microcystis sp. FACH 905 (EC50 = 3.7–7.6 μM). The algaecidal activity of these compounds positively correlated with their inhibition of E. coli PDHc-E1. In particular
需要安全有效的除藻剂来控制具有农业和环境意义的藻类。四个系列(6,10,17,和21 29新的4-
氨基嘧啶衍
生物)的合理设计和合成。的一部分10,17,和21中显示的有效抑制大肠杆菌
丙酮酸脱氢酶复合物E1(大肠杆菌PDHC-E1)(IC 50 = 2.12-18.06μM)和抑制良好的集胞藻属。
PCC 6803(
EC 50 = 0.7–7.1μM)和微囊藻。FACH 905(
EC 50= 3.7–7.6μM)。这些化合物的杀藻活性与它们对大肠杆菌PDHc-E1的抑制作用正相关。特别是21l和10b表现出对
PCC 6803的强效杀藻活性(分别为
EC 50 = 0.7和0.8μM),其值是
硫酸铜(
EC 50 = 1.8μM)的2倍,并且表现最佳抑制蓝细菌PDHc-E1(IC 50分别为5.10和6.06μM )。17h和21e是大肠杆菌的最佳
抑制剂通过分子对接,定点诱变和酶促测定研究了PDHc