1998
DOI: 10.1021/ja973171l
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Made-to-Order Assembling of [2]Catenanes from Palladium(II)-Linked Rectangular Molecular Boxes

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Cited by 143 publications
(68 citation statements)
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“…L' stands for ethylenediamine (en), tetramethylethylenediamine (tmeda), 2,2'-bipyridine (bpy), and phenanthro-line (phen);t he other ligands used are 1,4-phenylenebis(methylene) diisonicotinate, L1,( Figure2)a nd 4,4'-bipyridine, L2.A comparable design was reported previously,u sing L2 and ar igid ligand in place of L1,w ith en as L'.I nterestingly,t he individual ring was not detectedi nt hat design owing to the high stability of the catenane, even at low concentration. [20] In the present study,t he individual D-shaped rings of general formula M 2 L' 2 (L1)(L2)a re prepared by performing the complexation in DMSO ( Figure 1). The D-shapedr ings can be considered as moleculark arabinersb earing coordination-bond gates, in line with the spring gate of real karabiners.…”
Section: Introductionmentioning
confidence: 95%
“…L' stands for ethylenediamine (en), tetramethylethylenediamine (tmeda), 2,2'-bipyridine (bpy), and phenanthro-line (phen);t he other ligands used are 1,4-phenylenebis(methylene) diisonicotinate, L1,( Figure2)a nd 4,4'-bipyridine, L2.A comparable design was reported previously,u sing L2 and ar igid ligand in place of L1,w ith en as L'.I nterestingly,t he individual ring was not detectedi nt hat design owing to the high stability of the catenane, even at low concentration. [20] In the present study,t he individual D-shaped rings of general formula M 2 L' 2 (L1)(L2)a re prepared by performing the complexation in DMSO ( Figure 1). The D-shapedr ings can be considered as moleculark arabinersb earing coordination-bond gates, in line with the spring gate of real karabiners.…”
Section: Introductionmentioning
confidence: 95%
“…Cis-protected Pd(II) and Pt(II) complexes 2 have been employed for metal-mediated self-assembly of discrete structures 14,15 . Quite recently, rectangular molecular boxes with interplanar separation of ,3.5 A Ê were shown to effectively selfassemble into catenated dimers 18 .…”
mentioning
confidence: 99%
“…Zusätzlich wurden als "MORFs" bezeichnete 3D-Polyrotaxane angeordnet. [242] [247] Die Strategie wurde erweitert auf die Bildung von chiralen, [150c] (komplementären) Mischligand-Catenanen, [248] Mischmetall-Catenanen (Pd II und Pt II ) [249] sowie cyclischen [250] und linearen [251] Catenanen hç-herer Ordnung.…”
Section: Ferrocen-und Porphyrinbausteine Als Stopperunclassified