2001
DOI: 10.1002/1521-3757(20010803)113:15<2924::aid-ange2924>3.0.co;2-h
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Maßgeschneiderte Moleküle für Selbstorganisationsreaktionen: gezielte Herstellung zweier chiraler, selbstorganisierter Spezies mit vorherbestimmter Konfiguration

Abstract: Selbstorganisationsreaktionen sind noch immer nicht im selben Maûe planbar wie klassische Reaktionsfolgen. Sehr oft führt eine Kombination aus Intuition, Vorausahnung und einer ¹glücklichen Handª zu höchst bemerkenswerten Strukturen. [1] Im Folgenden stellen wir die gezielte Synthese zweier eng verwandter supramolekularer Strukturen vor. Unsere Absicht war es, supramolekulare Komplexe der allgemeinen Struktur A aus oktaedrisch koordinierenden Metallionen herzustellen. Aus der Art und Weise, wie die Ligandenstr… Show more

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Cited by 32 publications
(5 citation statements)
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“…These represent the output of a dynamic combinatorial library of supramolecular components, from which the double‐helical complex could be trapped by crystallization 35. Very similar observations were made for ligand systems 7 with Zn II ions, which yielded an equilibrium mixture of triangular and tetranuclear reaction products 28…”
Section: Mechanistic Features Of the Self‐assembly Processmentioning
confidence: 60%
See 1 more Smart Citation
“…These represent the output of a dynamic combinatorial library of supramolecular components, from which the double‐helical complex could be trapped by crystallization 35. Very similar observations were made for ligand systems 7 with Zn II ions, which yielded an equilibrium mixture of triangular and tetranuclear reaction products 28…”
Section: Mechanistic Features Of the Self‐assembly Processmentioning
confidence: 60%
“…The “chiralization” of the parent ligand 7 was carried out by the introduction of pinene moieties, which gives access to both ligand diastereomers of 8 (only one is shown in Figure 6). The reaction of 8 with Zn II ions delivers the tetranuclear (all‐Δ)[Zn 4 (( R , R )‐ 8 ) 4 ] 8+ metal ion array as the major product in good diastereomeric excess 28…”
Section: Grid‐type Metal Ion Arraysmentioning
confidence: 99%
“…Ga: Δ S dim = +4(1) J/mol) favored. The latter is probably due to the liberation of solvent molecules upon binding of lithium cations in the dimers [Li 3 ( 4 ) 6 Ti] - and [Li 3 ( 4 ) 6 Ga 2 ] 3- , respectively 8 Plot of Δ G dim ( T ) (kJ/mol) versus temperature (K) for the dimerization of Li 2 [( 4 ) 3 Ti] (A) (THF- d 8 , concn Ti = 8.0 mmol/L) and Li 3 [( 4 ) 3 Ga] (B) (DMSO- d 6 , concn Ga = 8.0 mmol/L). …”
Section: Resultsmentioning
confidence: 99%
“…The different ways to intertwine the ligand around four tetrahedral metal centers are represented in Figure 2. While rigid bidentate ligands bearing parallel binding sites uniformly gave face‐to‐face structures of type 1 ,5, 6 the introduction of flexibility between these sites or antiparallel binding vectors introduces new structures such as the plaited form 2 ,12 and the hybrid architectures 3 and 4 13…”
Section: Methodsmentioning
confidence: 99%