Chiral and Extended π-Conjugated Bis(2-pyridyl)phospholes as Assembling N,P,N Pincers for Coordination-Driven Synthesis of Supramolecular [2,2]Paracyclophane Analogues
作者:Ana Isabel Aranda Perez、Thomas Biet、Sébastien Graule、Tomohiro Agou、Christophe Lescop、Neil R. Branda、Jeanne Crassous、Régis Réau
DOI:10.1002/chem.201001862
日期:2011.1.24
conjugation. A supramolecular rectangle was obtained by coordination to CuI and assembly with a dicyano stilbene. This coordination‐driven supramolecular assembly contains a total of four aza[4]helicene moieties and displays two types of π–π stacking interactions in the solid state, that is, between two helicene moieties and between one helicene and a bridging dicyano ligand. All the supramolecular arrangements
具有手性反式1,2-二醇部分和稠合pin烯的手性π-共轭3,4-丁酸-1-苯基-2,5-双(2-吡啶基)磷脂衍生物1 a 2,2'和1 a 3分别使用Fagan-Nugent方法从相应的手性二炔制备衍生物。研究了它们的紫外/可见吸收和手性(旋光性和圆二色性)。研究了它们作为N,P,N螯合物对Cu I的配位和与π共轭双位双氰基配体的手性超分子组装体形成的螯合行为。手性C 2通过X射线晶体学证明,获得了[2,2]对环环糊精类似物的对称矩形。在该研究过程中,在第一稳定的水溶性磷杂环衍生物(1升2 ⋅ 2的HCl)中的溶液制备。此外,合成了非手性的3,4-丁酸-1-苯基-2,5-双(氮杂[4]]烯)磷脂1 a 4并显示出扩展的π共轭。通过与Cu I配位获得超分子矩形并用二氰基二苯乙烯组装。这种由配位驱动的超分子组装体总共包含四个氮杂[4]螺旋部分,并在固态下显示两种类型的π–π堆积相互作用,即两个