Bis-urea macrocycles with a deep cavity.
Two configurational isomers of bis-urea macrocycles have been synthesized, and their neutral molecule recognition was studied by X-ray crystallography and (1)H NMR experiments. Cooperative action between the deep cavity and the urea groups and the influence of dipole alignments on molecular recognition are discussed.
School of Chemistry and Environment, South China Normal University, Guangzhou, 510006, P. R. China. yangdq@scnu.edu.cn.
Guobao
G
Huang
Zhenfeng
Z
He
Chen-Xi
CX
Cai
Fangfang
F
Pan
Dingqiao
D
Yang
Kari
K
Rissanen
Wei
W
Jiang