Functionalized imido-bridged Ti(iv) complexes as new building blocks for supramolecular arrangements: generation of a 1D structure through a Mg–Cl⋯I–C halogen bonding interaction
作者:Fernando Vidal、Mª Angeles Dávila、Ainhoa San Torcuato、Pilar Gómez-Sal、Marta E. G. Mosquera
DOI:10.1039/c3dt32943g
日期:——
The new functionalized aryl-imido-bridged cyclopentadienyl titanium compounds [TiCl(η5-C5Me5)μ-NR}]2, R = 4-X-C6H4 (X = CN (2a), X = Cl (2b), X = I (2c), X = (OMe) (2d)); 3,5-(OMe)2C6H3 (2e) were prepared and their appropriateness as building blocks for constructing supramolecular structures was evaluated. The presence of a functional group in the para position within the aryl-imido ligand leads to
新的官能化芳基-亚氨基-桥接的环戊二烯钛化合物[的TiCl(η 5 -C 5我5)μ-NR}] 2,R = 4-XC 6 H ^ 4(X = CN(图2a)中,X = Cl(上2b),X = I(2c),X =(OMe)(2d)); 制备了3,5-(OMe)2 C 6 H 3(2e),并评估了它们作为构建超分子结构的基础材料的适用性。芳基-亚氨基配体内对位的官能团的存在导致2a的1D排列的形成,2c和2d通过卤素键或氢键相互作用。特别是,亚氨基钛络合物2c与合成中生成的[MgCl 2 ·(THF)4 ]单元形成超分子链,其中金属片段通过C–I⋯Cl–Mg卤素键相互作用(XB)连接,第2组金属中的第一个示例,其中出现XB基序M–Cl⋯I–C。