Ball and Socket Nanostructures: New Supramolecular Chemistry Based on Cyclotriveratrylene

Steed, Jonathan W.; Junk, Peter Courtney; Atwood, Jerry L.; Barnes, Michael; Raston, Colin L.; Burkhalter, Robert S.

doi:10.1021/ja00101a083

Cited by 254 publications

(117 citation statements)

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“…The second benzene ring of the ionophore is superimposed to a fullerene hexagon, with an interplanar angle of 168 and an inter-ring distance of 3.7 . Similar fullerene´´´aromatic ring contacts are observed in X-ray crystal structures of clathrates and solid-state complexes formed between C 60 and extended electron-rich aromatic chromophores (for a review, see [26]; see also [37]) 4 ). Of interest are also the interactions between the K cation and the C 60 sphere in (AE)-1.…”

supporting

confidence: 65%

Cyclophane-Type Fullerene-dibenzo[18]crown-6 Conjugates withtrans-1,trans-2, andtrans-3 Addition Patterns: Regioselective Templated Synthesis, X-Ray Crystal Structure, Ionophoric Properties, and Cation-Complexation-Dependent Redox Behavior

Bourgeois

Seiler

Fibbioli

et al. 1999

HCA

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supporting

confidence: 65%

Cyclophane-Type Fullerene-dibenzo[18]crown-6 Conjugates withtrans-1,trans-2, andtrans-3 Addition Patterns: Regioselective Templated Synthesis, X-Ray Crystal Structure, Ionophoric Properties, and Cation-Complexation-Dependent Redox Behavior

Bourgeois

Seiler

Fibbioli

et al. 1999

HCA

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“…cavity. [34][35][36] In our tripodal system, the three Cu-containing arms of 2 fold to form a preorganized cavity that can encapsulate a ReO 4 -anion through electrostatic interactions.…”

Section: Synthesis and Structural Characterization Of Complexmentioning

confidence: 99%

Immobilization, Trapping, and Anion Exchange of Perrhenate Ion Using Copper-Based Tripodal Complexes

2011

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Abstract:We describe a multidentate tripodal ligand in which three pendant arms carrying di(2-picolyl)amine units are linked to the ortho-positions of a tris (o-xylyl) scaffold, providing N(CH 2 -o-C 6 H 4 -CH 2 N(CH 2 py) 2 ) 3 (L). Reaction of L with CuCl 2 in the presence of hexafluorophosphate anion afforded blue cubes of [(CuCl) 3 L](PF 6 ) 3 ⋅5H 2 O (1). Crystallographic studies of 1 revealed that the three symmetry-related arms each coordinate a {Cu II Cl} unit, and two molecules of 1 are connected to one another through a Cu(µ-Cl) 2 Cu bridge, extending the molecular structure to form a two-dimensional layer.These 2-D layers pack in an ABCABC… fashion with PF 6 -anions located in between.Reaction of 1 with a stoichiometric amount of perrhenate ion afforded blue plates ofCompound 2 has the same lattice structure of 1, but the tricopper unit backbone now traps one ReO 4 -anion through Coulombic interactions.In addition, three molecules of 2 are bridged by a perrhenate ion forming a Cu 3 (µ 3 -ReO 4 )cluster to give a different 2-D structure, displaying a rare tridentate bridging ReO 4 -mode.Thus in addition to classic perrhenate trapping through weak Coulombic interactions, 2 represents an exceptional example in which the ReO 4 -anion is immobilized in an extended framework through tight covalent interactions. The interlamellar PF 6 -anions in 1 can be exchanged with other anions including perrhenate, perchlorate, or periodate. The structural similarity between perrhenate and pertechnetate makes these materials of potential interest for pertechnetate trapping.3

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“…CTV has been extensively studied for its capability to bind a variety of small organic and organometallic guests within its bowl-shaped cleft. [13][14][15] Many clathrates of CTV have been structurally characterized, including DMSO and ethanol 16 , chlorinated organics 17 , xenon 18 , lanthanides 19 organometallic complexes, 20 C60, 21 and anionic C70 dimers. 22 CTV has also been used for selective anion sensing, 23 and thioether derivatives of CTV have recently been employed as hosts to immobilize C60 onto gold surfaces.…”

mentioning

confidence: 99%

Isolation of the saddle and crown conformers of cyclotriveratrylene (CTV) oxime

Lutz

French

Rehage

et al. 2007

Tetrahedron Letters

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Ball and Socket Nanostructures: New Supramolecular Chemistry Based on Cyclotriveratrylene

Cited by 254 publications

References 0 publications

Cyclophane-Type Fullerene-dibenzo[18]crown-6 Conjugates withtrans-1,trans-2, andtrans-3 Addition Patterns: Regioselective Templated Synthesis, X-Ray Crystal Structure, Ionophoric Properties, and Cation-Complexation-Dependent Redox Behavior

Cyclophane-Type Fullerene-dibenzo[18]crown-6 Conjugates withtrans-1,trans-2, andtrans-3 Addition Patterns: Regioselective Templated Synthesis, X-Ray Crystal Structure, Ionophoric Properties, and Cation-Complexation-Dependent Redox Behavior

Immobilization, Trapping, and Anion Exchange of Perrhenate Ion Using Copper-Based Tripodal Complexes

Isolation of the saddle and crown conformers of cyclotriveratrylene (CTV) oxime

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