Gy. Lu et al., Self-assembly architecture of bis(guanidiniums) receptors incorporated by sulfate anions in single crystals, CHIN J CHEM, 18(6), 2000, pp. 924-927
A novel bis(guanidiniums) receptor for the catalytic cleavage of phosphosdi
ester was prepared and self-assembly architecture through hydrogen bonds an
d electrostatic interactions among the bis(guanidiniums) receptor, the sulf
ate anion and water molecule was revealed by X-ray crystallographic analysi
s.