A series of complexes trans-[PdCl(2)L(2)] has been prepared by the reaction of [PdCl(2)(PhCN)(2)] and/or Na(2)[PdCl(4)] with L = pyridine or quinoline ligands having one or two carboxylic acid groups. These complexes can form 1-D polymers through O-H.O hydrogen bonding between the carboxylic acid groups, as demonstrated by structure determinations of [PdCl(2)(NC(5)H(4)-4-COOH)(2)], [PdCl(2)(NC(5)H(4)-3-COOH)(2)]
通过[PdCl(2)(PhCN)(2)]和/或Na(2)[PdCl(4)]与L的反应制备了一系列反式-[PdCl(2)L(2)]的配合物=具有一个或两个
羧酸基团的
吡啶或
喹啉配体。这些配合物可以通过
羧酸基团之间的OH.O氢键形成1-D聚合物,如[PdCl(2)(NC(5)H(4)-4-COOH)(2)的结构测定所示, [PdCl(2)(NC(5)H(4)-3-COOH)(2)]和[PdCl(2)(2-Ph-NC(9)H(5)-4-COOH)(2 )]。在某些情况下,溶剂化会破坏OH.O的氢键结构,如[PdCl(2)(NC(5)H(4)-3-COOH)(2)]。2
DMSO和[PdCl( 2)(2-Ph-NC(9)H(5)-4-COOH)(2)]。4
DMF,同时对
吡啶-2-
羧酸进行去质子化反应,得到螯合物[Pd(NC(5)H( 4)-2-C(O)O)(2)]。配合物反式-[PdCl(2)L(2)],L