the crystal cluster 7. The activities of Tem derivatives were evaluated using the modified Ellman’s method on cholinesterase (ChE) enzymes. The insecticide activity of Tem analogous appraised for the elm leaf beetle in which the 18 had more effective than the other compounds in inhibition α-esterase of insect. Principal component analysis–quantitative structure activity relationship (PCA–QSAR) models
合成了一系列具有P(O)NH–X–NHP(O)(1-22)的一般结构的
邻苯二酚(Tem)衍
生物,并通过31 P,13 C,1 H NMR和FT-IR光谱技术进行了表征。的电子密度(ρ ' - (...(1)H-N(1)(0.040 E中的在键临界点P的(
BCP)(1)O 1'))值-3)P(1) -O(1)...(1')H-N(1')(0.031 E中的-3)以及NBO分析结果的电子离域的稳定化能显示在P中的氢键合能(1' )–O(1')···(1)H–N(1)模型(E 2 = −72.15 kJ mol -1)和P(1)–O(1)···(1')H– N(1')(E 2 = -45.67 kJ摩尔晶体团7的-1)。使用改良的Ellman方法对
胆碱酯酶(ChE)酶评估Tem衍
生物的活性。Tem类似物的杀虫活性被评估为榆叶甲虫,其中18种在抑制昆虫的α-
酯酶方面比其他化合物更有效。主成分分