Ion pair recognition of ditopic receptor bearing silanol groups as anion recognition sites and a 2,2′-bipyridine moiety as a metal-coordination site
作者:Masaki Yamamura、Shin-ichi Kondo、Masafumi Unno
DOI:10.1016/j.tetlet.2013.11.096
日期:2014.1
A ditopic receptor 1 bearing silanol groups as anionrecognitionsites and a 2,2′-bipyridine moiety as a metal-coordination site was synthesized. The X-ray crystallographic analysis revealed that the receptor 1 simultaneously associated Ag+ at the bipyridine site and NO3- at the anionrecognitionsite surrounded by two silanol groups and one C–H proton of the bipyridine. The titration experiments suggested