obtained geometrical parameters were highly correlated with the DFT calculations. The experimentally determined folding angle of the double bond was found to be 8.44°. The effect of the electron-withdrawing ability of nitrogen atom on the degree of pyramidalization is discussed.
标题化合物 6-phenyl-4,6,8-triazatetracyclo[9.2.1.02,10.04,8]tetradec-2(10)-ene-5,7-dione (6) 通过添加 4-phenyl -
1,2,4-三唑-3,5-二酮 (
PTAD) 到 2,3-二亚甲基双环 [2.2.1]
庚烷。单元参数为 a = 9.991(5), b = 11.754(9), c = 6.549(5) Å, α = 101.08(7)°, β = 103.31(5)°, γ = 98.24(5)°。确定了6的晶体结构。获得的几何参数与 DFT 计算高度相关。实验确定的双键折叠角为 8.44°。讨论了氮原子的吸电子能力对锥体化程度的影响。