berghei in vivo. These bisquinolines had IC50 values from 1 to 100 nM against P. falciparum in vitro. Six of the 11 bisquinolines were significantly more potent against the chloroquine-resistant W2 clone compared to the chloroquine-sensitive D6 clone. For bisquinolines 1-11 there was no relationship between the length of the bisquinoline heteroalkane bridge and antimalarial activity and no correlation
合成了N,N-双(
7-氯喹啉-4-基)杂烷二胺1-11,并在体外和体外对恶性疟原虫进行了筛选。这些双
喹啉在体外对恶性疟原虫的IC50值为1至100 nM。与对
氯喹敏感的D6克隆相比,在11种双
喹啉中有6种对耐
氯喹的W2克隆的效价明显更高。对于双
喹啉1-11,双
喹啉杂
烷烃桥的长度与抗疟活性之间没有关系,并且在体内和体外抗疟活性之间也没有相关性。在体内,具有烷基醚和
哌嗪桥的双
喹啉比具有烷基胺桥的双
喹啉对伯氏疟原虫有效。Bisquinolines 1-10是血凝素聚合的有效
抑制剂,IC50值在5-20 microM的狭窄范围内,在抑制血凝素聚合的能力和抑制寄生虫生长之间存在相关性。与
烷烃桥联的双
喹啉相比(Vennerstrom等人,1992),这些杂
烷烃桥联的双
喹啉没有一个具有足够的抗疟活性,因此值得对该系列进行进一步研究。