A series of coordination polymers assembled from 9,9-dimethylfluorene-2,7-dicarboxylic acid and various flexible bis(imidazole) ligands: synthesis, structures and properties
作者:Huadong Guo、Xianmin Guo、Hengye Zou、Yanjuan Qi、Ruizhan Chen、Lun Zhao、Chunming Liu
DOI:10.1039/c4ce00664j
日期:——
(4), [Zn2(mfda)2(bib)] (5), [Zn2(mfda)2(bite)] (6) and [Ni4(mfda)4(bite)3(μ2-H2O)2]·4H2O (7) (H2mfda = 9,9-dimethylfluorene-2,7-dicarboxylic acid, bip = 1,3-bis(imidazole)propane, bib = 1,4-bis(imidazole)butane and bite =1,4-bis(imidazole)butene), have been synthesized and structurally characterized. Compounds 1 and 3 feature a two-fold interpenetrating framework of pcu topology. Compound 2 exhibits
七个新的配位聚合物,即[Co 2(mfda)2(bip)(H 2 O)2 ]·2H 2 O(1),[Zn 2(mfda)2(bip)]·H 2 O(2) ,[Co 2(mfda)2(bib)(H 2 O)](3),[Zn 2(mfda)2(bib)2 ]·(DMF)3 ·H 2 O(4),[Zn 2( mfda)2(围嘴)](5),[Zn 2(mfda)2(咬)](6)和[镍4(MFDA)4(咬入)3(μ 2 -H 2 O)2 ]·4H 2 O(7)(H 2 MFDA = 9,9-二甲基芴基-2,7-已合成了bip = 1,3-双(咪唑)丙烷,bib = 1,4-双(咪唑)丁烷且咬合= 1,4-双(咪唑)丁烯的β-二羧酸,并对其结构进行了表征。化合物1和3具有pcu拓扑结构的两个互穿框架。化合物2展示了pcu拓扑结构的三重互穿框架。化合物4显示dia拓扑的四重互穿框架。化合物5和6表现出具