Synthesis of novel interlocked systems utilizing a palladium complex with 2,6-pyridinedicarboxamide-based tridentate macrocyclic ligand
作者:Yoshio Furusho、Takanori Matsuyama、Toshikazu Takata、Toshiyuki Moriuchi、Toshikazu Hirao
DOI:10.1016/j.tetlet.2004.10.152
日期:2004.12
A new protocol for the high yield synthesis of interlocked molecules is described. Palladium(II) complex including a 2,6-pyridinedicarboxamide-based tridentate macrocycle 2 was allowed to react with a 2,6-disubstituted pyridine derivative bearing two hydroxyl groups at both termini 3b to yield the corresponding Pd(II) complex 4b quantitatively. An acid catalyzed end-capping of 4b with a bulky isocyanate
描述了一种用于互锁分子的高产率合成的新方案。使包括基于2,6-吡啶二甲酰胺的三齿大环2的钯(II)配合物与在两个末端3b带有两个羟基的2,6-二取代的吡啶衍生物反应,以定量地产生相应的Pd(II)配合物4b。用膨松的异氰酸酯酸催化的4b封端以96%的收率得到Pd(II)络合物5b,将其用一氧化碳处理,定量得到[2]轮烷6b。