Copper(<scp>I</scp>)‐Assembled Pseudorotaxanes Bearing Bis(nitrile) Ligands: Selective Formation of Large Chelate Rings

Sakellariou, Efstathia G.; Collin, Jean‐Paul; Dietrich‐Bucheker, Christiane O.; Sauvage, Jean‐Pierre

doi:10.1002/ejic.200300507

Cited by 4 publications

(1 citation statement)

References 38 publications

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“…Copper(I)-assembled pseudorotaxanes bearing bis(nitrile) ligands have been utilised in the selective formation of large chelate rings. 101…”

Section: Threaded and Interlocked Compoundsmentioning

confidence: 99%

17 Macrocyclic coordination chemistry

Cronin

2005

Annu. Rep. Prog. Chem., Sect. A

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Highlights include the design of a dicopper(II) cryptate that can be used for the fluorescent detection of dicarboxylate anions in aqueous solution, the translocation of copper(II) centres within a macrocycle to detect imidazolebased moieties, and the design of a cyclohexyl-1,2-diamine derived bis(binaphthyl) macrocycle that demonstrates enantioselectivity in the fluorescent recognition of mandelic acid. The activation of acetonitrile solvent by a dinuclear Cu(II) cryptate is interesting. The undoubted highlight of the year, however, is the realization of a Borromean link from 18 components in a metal-templated assembly.

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“…Copper(I)-assembled pseudorotaxanes bearing bis(nitrile) ligands have been utilised in the selective formation of large chelate rings. 101…”

Section: Threaded and Interlocked Compoundsmentioning

confidence: 99%

17 Macrocyclic coordination chemistry

Cronin

2005

Annu. Rep. Prog. Chem., Sect. A

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Synthesis and Crystal Structure of 1,3-Bis(p-nitrophenoxy)propane

et al. 2008

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Copper(I) oligomers and polymers with dicyanobenzene and cyanopyridine ligands

et al. 2016

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The reaction of [Cu(MeCN) 4 ]BF 4 with o-, m-, or p-dicyanobenzene (DCB) or o-, m-, or p-cyanopyridine (CPy) in the presence of two equivalents of PPh 3 produces DCB-or CPybridged copper(I) complexes. Cyclic dimers are formed for the ortho ligands, and zigzag polymers are formed using the para ligands. m-DCB produces a polymer, however m-CPy results in a cyclic trimer. Multiple lattice-bound solvates are formed upon crystallization of the o-DCB dimer from various solvents. A total of 11 X-ray crystal structures are reported for [Cu n (PPh 3) 2n (bridge) n ](BF 4) n •(solvent): bridge = o-DCB, n = 2, solvent (per dimer) = none, ½ CH 2 Cl 2 , CH 2 Cl 2 , 2 CHCl 3 /H 2 O, or 2 THF; bridge = m-DCB, n = ∞, solvent = none; bridge = p-DCB, n = ∞, solvent = CH 2 Cl 2 (two polymorphs), bridge = o-CPy, n = 2, solvent (per dimer) = 2 toluene; bridge = m-CPy, n = 3, solvent = none; bridge = p-CPy, n = ∞, solvent = ½ acetone. All complexes are photoluminescent with excitation in the range 340-400 nm. The meta complexes emit in the blue region, while the other complexes emit in the green. Dimer complexes of o-DCB exhibit structural flexibility in the central macrocyclic ring. Complexes of m-DCB and p-CPy show orientational disorder in the ligand. Polymeric complexes show helicity. Smaller Stokes

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Copper(I)‐Assembled Pseudorotaxanes Bearing Bis(nitrile) Ligands: Selective Formation of Large Chelate Rings

Cited by 4 publications

References 38 publications

17 Macrocyclic coordination chemistry

17 Macrocyclic coordination chemistry

Synthesis and Crystal Structure of 1,3-Bis(p-nitrophenoxy)propane

Copper(I) oligomers and polymers with dicyanobenzene and cyanopyridine ligands

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