Synthesis, Structure and Metal Binding Property of Internally 1,3-Arylene-Bridged Azacalix[6]aromatics
作者:Yi-Xin Fang、Liang Zhao、De-Xian Wang、Mei-Xiang Wang
DOI:10.1021/jo301528f
日期:2012.11.16
Three internally 1,3-arylene-bridged azacalix[6]aromatics 1–3 were synthesized by the Pd-catalyzed macrocyclic fragment coupling reaction between a stellated dibrominated pentamer and N2,N6-dimethylpyridine-2,6-diamine or N1,N3-dimethylbenzene-1,3-diamine. Single-crystal X-ray analysis revealed that these bimacrocyclic compounds all adopt a triply pillared groove-shaped conformation, conceptually being