Charge Transfer-Induced Complexation of Urea Confined Within 1,4-Dimethoxypillar[5]arene.
The synthesis, molecular structure, and spectral characteristics of inclusion complexes of 1,4-dimethoxypillar[5]arene (DMP5A) macrocyclic host with 1-(2-chloropyridin-4-yl)-3-phenylurea (ClPU) and 1,3-bis(4-chlorophenyl)urea (ClU) guests are characterized by 1H/2D NMR, infrared spectroscopy, high-resolution mass spect...