Self-Assembly Using Dynamic Coordination Chemistry and Hydrogen Bonding: Mercury(II) Macrocycles, Polymers and Sheets
作者:Tara J. Burchell、Dana J. Eisler、Richard J. Puddephatt
DOI:10.1021/ic049500+
日期:2004.9.1
The self-assembly of extended metal-containing arrays is described based on dynamic coordination chemistry at mercury(II) with bis(amidopyridyl) ligands to form macrocycles, polymers, or sheets which can be further organized by hydrogen bonding between amide substituents. The ligands 1,2-C6H4[NHC(O)-4-C5H4N]2, 1, 1,2-C(6)H(4)[C(O)NHCH(2)-4-C(5)H(4)N](2), 2, and 1,2-C(6)H(4)[CH(2)C(O)NHCH(2)-4-C(5)H(4)N]2
基于汞(II)上的动态配位化学与双(酰氨基吡啶基)配体形成大环,聚合物或薄片的动态配位化学,描述了含扩展金属的阵列的自组装,这些大环,聚合物或薄片可以通过酰胺取代基之间的氢键进一步组织。配体1,2-C6H4 [NHC(O)-4-C5H4N] 2,1,1,2-C(6)H(4)[C(O)NHCH(2)-4-C(5)H (4)N](2),2和1,2-C(6)H(4)[CH(2)C(O)NHCH(2)-4-C(5)H(4)N] 2,3可以采用极性构象,因此可以在其复合物中赋予螺旋性。制备了具有四面体汞(II)中心的式[(HgX(2))(2)(micro-LL)(2)](LL = 1,2)的几个大环,其中各个分子进一步自组装通过固态氢键形成一维或二维聚合物或片材。在一种情况下,形成一维聚合物[(((HgX2)-(mu-3))n]。