New library of pyrimido[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine derivatives: Synthesis, herbicidal activity, and molecular docking study
作者:Jin Luo、Huixiang Nie、Linghui He、Anlin Zhao、Tao Wang
DOI:10.1016/j.molstruc.2023.137246
日期:2024.3
nitrogen-containing heterocyclic compounds with novel structure and remarkable biological activity is always in demand. Herein, new library of pyrimido[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine derivatives (1–98) was designed, synthesized, and characterized by Fourier Transform Infrared Spectoscopy (FT-IR), nuclear magnetic resonance (1H NMR), carbon-13 nuclear magnetic resonance (13C NMR), high-resolution
开发具有新颖结构和显着生物活性的含氮杂环化合物一直是人们的需求。在此,设计、合成了新的嘧啶并[5,4-e][1,2,4]三唑并[1,5-c]嘧啶衍生物文库(1-98),并通过傅里叶变换红外光谱(FT- IR)、核磁共振( 1 H NMR)、碳13核磁共振( 13 C NMR)、高分辨率质谱(HRMS)和X射线单-晶体衍射。通过培养皿测定和温室盆栽实验首次筛选了它们的除草活性。结果表明,部分标题化合物(如1、4、5和7-11)在100 mg剂量下对黄瓜、萝卜、高粱和稗子的根和茎表现出100%的抑制率/L,高于阳性对照氟灭磺草胺,一种著名的商业乙酰乳酸合酶 (ALS) 抑制除草剂。 2-((2,4-二氯苯氧基)甲基)-10-(甲硫基)-8-(戊硫基)-5-丙基-5,6-二氢嘧啶基[5,4-e][1,2,4]三唑并[1,5-c]嘧啶7对苘麻、刺苋、藜、马唐、稗草和狗尾草具有显着的苗后除草活性,用量为375