1<i>H</i>-[1,2,4]Triazolo[4,3-<i>a</i>]pyridin-4-ium and 3<i>H</i>-[1,2,4]triazolo[4,3-<i>a</i>]quinolin-10-ium derivatives as new intercalating agents for DNA
作者:Marian Hebenbrock、Jens Müller
DOI:10.1515/znb-2018-0089
日期:2018.11.27
Abstract Two new cationic DNA intercalators, 3-phenyl-1-(6-phenylpyridin-2-yl)-1H-[1,2,4]triazolo[4,3-a]pyridin-4-ium (1a)+ and 1-phenyl-3-(6-phenylpyridin-2-yl)-3H-[1,2,4]triazolo[4,3-a]quinolin-10-ium (1b)+, were synthesized from 2-chloropyridine and 2-chloroquinoline, respectively, in a four-step procedure. Generation of the hydrazine, followed by condensation with an aldehyde to give a hydrazone
摘要 两种新型阳离子 DNA 嵌入剂 3-phenyl-1-(6-phenylpyridin-2-yl)-1H-[1,2,4]triazolo[4,3-a]pyridin-4-ium (1a)+ 和1-苯基-3-(6-苯基吡啶-2-基)-3H-[1,2,4]三唑并[4,3-a]喹啉-10-鎓(1b)+,由2-氯吡啶和2-氯喹啉,分别采用四步程序。生成肼,然后与醛缩合得到腙,随后 Buchwald-Hartwig 胺化得到 E-和 Z-构型的 N,N-官能化腙的混合物。最后,氧化环化导致形成阳离子 DNA 嵌入剂,其分子结构分别通过 (1a)+ 和 (1b)+ 的六氟磷酸盐和三溴化物盐的单晶 X 射线衍射分析确定。