A Sampling of Recent Papers from Our Speakers

Jerry Atwood-

• Cocrystallization and encapsulation of a fluorophore with hexameric pyrogallol[4]arene nanocapsules: structural and fluorescence studies.
• Hydrogen-bonded hexamers self-assemble as spherical and tubular superstructures on the sub-micron scale.
• Acetylene Absorption and Binding in a Nonporous Crystal Lattice
• Frustrated Organic Solids Display Unexpected Gas Sorption

Volker Böhmer-

• Guest exchange in dimeric capsules of a tetraurea calix[4]arene in the solid state.
• Topologically novel multiple rotaxanes and catenanes based on tetraurea calix[4]arenes.
• Energy Transfer in Calixarene-Based Cofacial-Positioned Perylene Bisimide Arrays.
• Synergistic effect of ligating and ionic functions, prearranged on a calix[4]arene

Javier de Mendoza

• Inclusion of Cavitands and Calix[4]arenes into a Metallobridged para-(1H-Imidazo[4,5-f][3,8]phenanthrolin-2-yl)-Expanded Calix[4]arene.
• Molecular recognition of oxoanions based on guanidinium receptors
• Selective Binding and Easy Separation of C 70 by Nanoscale Self-Assembled Capsules

Makoto Fujita -

• Direct Crystallographic Observation of a Coordinatively Unsaturated Transition- Metal Complex in situ Generated within a Self-Assembled Cage
• Folding of an Ala-Ala-Ala Tripeptide into a -Turn via Hydrophobic Encapsulation
• Manipulating the Through-Space Spin-Spin Interaction of Organic Radicals in the Confined Cavity of a Self-Assembled Cage
• Fluororous Nanodroplets Structurally Confined in an Organopalladium Sphere

Bruce Gibb -

• A deuterated deep-cavity cavitand confirms the importance of C-H×××X-R hydrogen bonds in guest binding.
• Photo-Fries reaction in water made selective with a capsule
• Templated Assembly of Water-Soluble Nano-Capsules: Inter-Phase Sequestration, Storage, and Separation of Hydrocarbon Gases

Kimoon Kim -

• Chiral Recognition in Cucurbituril Cavities.
• A Homochiral Metal-Organic Material with Permanent Porosity, Enantioselective Sorption Properties, and Catalytic Activity
• Cucurbit[7]uril: A Simple Macrocyclic, pH-Triggered Hydrogelator Exhibiting Guest-Induced Stimuli-Responsive Behavior
• Functionalized cucurbiturils and their applications

Olivia Reinaud-

• Efficient synthesis of calix[6]tmpa: a new calix[6]azacryptand with unique conformational and host-guest properties
• Allosterically coupled double induced fit for 1 + 1 + 1 + 1 self-assembly of a calix[6]trisamine, a calix[6]trisacid, and their guests.
• Ipso-Chlorosulfonylation of Calixarenes: A Powerful Tool for the Selective Functionalization of the Large Rim.
• Allosteric Tuning of the Intra-Cavity Binding Properties of a Calix[6]arene through External Binding to a ZnII Center Coordinated to Amino Side Chains

David Reinhoudt -

• Dynamic Combinatorial Libraries Based on Hydrogen-Bonded Molecular Boxes
• Expression of a Supramolecular Complex at a Multivalent Interface.
• Induction of liquid crystallinity by self-assembled molecular boxes.
• Triple-Ion Interactions for the Construction of Supramolecular Capsules.

Dmitry Rudkevich

• Carbon dioxide and supramolecular chemistry
• Emerging supramolecular chemistry of gases
• Supramolecular features of synthetic nanotubes
• Towards supramolecular fixation of NOx gases:
  encapsulated reagents for nitrosation

Thomas Schrader -

• Color Fingerprinting of Proteins by Calixarenes Embedded in Lipid/Polydiacetylene Vesicles.
• DNA recognition with large calixarene dimers.
• Arginine- and Lysine-Specific Polymers for Protein Recognition and Immobilization.

Fraser Stoddart-

• A Molecular Solomon Link
• Template-Directed One-Step Synthesis of Cyclic Trimers by ADMET.
• Suitanes.

Alessandro Casnati

• DNA Condensation and Cell Transfection Properties of Guanidinium Calixarenes: Dependence on Macrocycle Lipophilicity, Size, and Conformation.
• Catalysis of Diribonucleoside Monophosphate Cleavage by Water Soluble Copper(II) Complexes of Calix[4]arene Based Nitrogen Ligands.
• Calix[4]arene anion receptors bearing 2,2,2-trifluoroethanol groups at the upper rim.
• Calixarene-based multivalent ligands

Yoram Cohen

• Resorcinarenes are hexameric capsules in solution.
• Molecules at Close Range: Encapsulated Solvent Molecules in Pyrogallol[4]arene Hexameric Capsules.
• Self-Assembled Ionophores from Isoguanosine: Diffusion NMR Spectroscopy Clarifies Cation's and Anion's Influence on Supramolecular Structure

Enrico Dalcanale

• Sensing Vase-to-Kite Switching of Cavitands by Sum-Frequency Vibrational Spectroscopy.
• Conformational behavior of pyrazine-bridged and mixed-bridged cavitands: a general model for solvent effects on thermal "Vase-Kite" switching.
• Grafting Cavitands on the Si(100) Surface

Luis Echegoyen

• Dancing on a Fullerene Surface: Isomerization of Y3N@(N-Ethylpyrrolidino-C80) from the 6,6 to the 5,6 Regioisomer
• Selective electrochemical retro-cycloaddition reaction by pyrrolidinofullerenes.
• Nanoassembly of a Fractal Polymer: A Molecular "Sierpinski Hexagonal Gasket".

Phil Gale

• Calix[4]pyrrole as a Chloride Anion Receptor: Solvent and Countercation Effects.
• Anion-binding modes in a macrocyclic amidourea.
• Anion coordination and anion-templated assembly: Highlights from 2002 to 2004.
• Structural and Molecular Recognition Studies with Acyclic Anion Receptors

Michaele Hardie

• Synthesis and Structural Studies of Cyclotriveratrylene Derivatives.
• Tris(pyridylmethylamino)cyclotriguaiacylene cavitands: an investigation of the solution and solid-state behavior of metallo-supramolecular cages and cavitand-based coordination polymers.

Takeharu Haino

• A New Calix[5]arene-Based Container: Selective Extraction of Higher Fullerenes.
• Guest Binding and New Self-Assembly of Bisporphyrins.

Travis Holman

• An achiral form of the hexameric resorcin[4]arene capsule sustained by hydrogen bonding with alcohols.
• Selective anion encapsulation by a metalated cryptophane with a pi-acidic interior.

Angel Kaifer

• A new cucurbit[8]uril-based fluorescent receptor for indole derivatives
• Electrochemical switching and size selection in cucurbit[8]uril-mediated dendrimer self-assembly.
• Switching a molecular shuttle on and off: simple, pH-controlled pseudorotaxanes based on cucurbit[7]uril.
• Efficient Electronic Communication between Two Identical Ferrocene Centers in a Hydrogen-Bonded Dimer

Yu Liu

• Molecular Recognition Thermodynamics of Pyridine Derivatives by Sulfonatocalixarenes at Different pH Values.
• The Structure and Thermodynamics of Calix[n]arene Complexes with Dipyridines and Phenanthroline in Aqueous Solution Studied by Microcalorimetry and NMR Spectroscopy.
• Supramolecular Assemblies of Sulfonatocalixarenes with Phenanthroline: Factors Governing Capsule Formation versus Bilayer Arrangements

Pavel Lhotak

• Flip-flop motion of circular hydrogen bond array in thiacalix[4]arene.
• Synthesis of Unique Cagelike Thiacalix[4]arene Derivatives in a 1,3-Alternate Conformation.

Bruce Moyer

• Anion Separation by Selective Crystallization of Metal-Organic Frameworks.
• Anion Coordination in Metal-Organic Frameworks Functionalized with Urea Hydrogen-Bonding Groups.

Jonathan Sessler

• Diindolylquinoxalines: Effective indole-based receptors for phosphate anion
• Inverted sapphyrin: A new family of doubly N-confused expanded porphyrins
• Calix[4]pyrrole as a chloride anion receptor: Solvent and countercation effects
• Cyclo[n]pyrroles: Size and site-specific binding to G-quadruplexes

Christoph Schalley

• Flying capsules: mass spectrometric detection of pyrogallarene and resorcinarene hexamers.
• Designer dendrimers: Branched oligosulfonimides with controllable molecular architectures.
• Mass spectrometric studies of non-covalent compounds: why supramolecular chemistry in the gas phase?
• Oligothiophene-Based Catenanes: Synthesis and Electronic Properties of a Novel Conjugated Topological Structure

Galina Talanova-

• Rigid versus flexible: how important is ligand preorganization for metal ion recognition by lower rim-functionalized calix[4]arenes?
• Novel fluorogenic calix[4]arene-bis(crown-6-ether) for selective recognition of thallium(I)
• Optical Determination of Thallium(I) and Cesium(I) with a Fluorogenic Calix[4]arene-bis(crown-6 ether) Containing One Pendent Dansyl Group

Iris Thondorf

• Fourfold [2]rotaxanes of calix[4]arenes by ring closure
• Two chloride ions as a template in the formation of a cyclic hexaurea
• Hydrogen bonding in dimers of tritolyl and tritosylurea derivatives of triphenylmethanes

Ralf Warmuth

• One-pot, 18-component synthesis of an octahedral nanocontainer molecule.
• Solvent Effects in Thermodynamically Controlled Multicomponent Nanocage Syntheses.

Alex Wei

• Stereoselective Epoxidation of 4-Deoxypentenosides: A Polarized-p Model.
• Calixarene-encapsulated nanoparticles: self-assembly into functional nanomaterials.
• Cryoprotection with L- and meso-Trehalose: Stereochemical Implications