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Catenanes (1)
Articles on Catenanes
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Construction of an interpenetrated structure of macrocycles.
Chem Commun (London) 46(31):5698-700 (2010) PMID 20593099
The construction of an interpenetrated structure of macrocycles by a CuAAC "click" reaction was achieved and the binding selectivity of indolocarbazole for a chloride anion was enhanced upon catenanation. -
A bistable poly[2]catenane forms nanosuperstructures.
Angew Chem Int Ed Engl 48(10):1792-7 (2009) PMID 19180620
Side-chain poly[2]catenanes at the click of a switch! A bistable side-chain poly[2]catenane has been synthesized and found to form hierarchical self-assembled hollow superstructures of nanoscale dimensions in solution. Molecular electromechanical switching (see picture) of the material is demonstrat... -
A flavin-based [2]catenane.
Chem Commun (London) (2008) PMID 19030536
We report the synthesis, solid-state and preliminary solution properties of a flavin-based [2]catenane. -
Dynamic combinatorial discovery of a [2]-catenane and its guest-induced conversion into a molecular square host.
J Am Chem Soc 130(33):10834-5 (2008) PMID 18646752
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Lim15/Dmc1 enhances DNA topoisomerase II catenation activity independent of sequence homology.
Chromosoma 117(3):297-302 (2008) PMID 18274769
We reported previously that Coprinus cinereus Lim15/Dmc1 (CcLim15), a meiosis-specific recA-like protein, could specifically activate C. cinereus DNA topoisomerase II (CcTopII). In particular, it enhanced the catenation activity of CcTopII in vitro at the meiotic prophase stage (Iwabata K, Koshiyama... -
Palladium(II)-directed self-assembly of dynamic donor-acceptor [2]catenanes.
Org Lett 10(5):765-8 (2008) PMID 18247625
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Pi-stacking enhanced dynamic and redox-switchable self-assembly of donor-acceptor metallo-[2]catenanes from diimide derivatives and crown et...
Chemistry 14(33):10211-8 (2008) PMID 18855953
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Molecular catenation via metal-directed self-assembly and pi-donor/pi-acceptor interactions: efficient one-pot synthesis, characterization, ...
J Am Chem Soc 129(45):13978-86 (2007) PMID 17956095
Dinuclear square metallocycles 3a,b assemble spontaneously when M(en)(OTf)2 (M = Pd, Pt) and a 4,4'-bipyridinium ligand are mixed in acetonitrile. Six new [3]catenanes were prepared in good yields by thermodynamically driven self-assembly reaction of molecular squares 3a,b and pi-complementary dioxo... -
Conformational interconversions in [2]catenanes containing a wide rigid bis(p-benzyl)methyl spacer.
J Org Chem 72(17):6454-8 (2007) PMID 17630801
The conformational interconversions of four [2]catenanes (1-4) containing a dibenzo-34-crown-10 ether (BPP34C10) interlocked with rings containing two 4,4'-dipyridiniums tethered by 1,3-bis(ethyloxy)phenyl and bis(p-benzyl)methyl spacers have been studied by VT 1H NMR spectroscopy. Symmetrically pla... -
Dynamic donor-acceptor [2]catenanes.
Proc Natl Acad Sci U S A 104(32):12966-70 (2007) PMID 17670941
We report here their thermodynamically controlled synthesis from isolated pi-donor and pi-acceptor rings under the catalytic influence of tetra butylammonium iodide. The initial nucleophilic attack of iodide ion, which opens up the pi-acceptor ring, is followed by complexation to the pi-donor ring a...
