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Contents list for Chemical Communications, issue 32, 2008
Front cover
Chem. Commun., 2008, 3693
DOI: 10.1039/b812523f
Inside front cover
Chem. Commun., 2008, 3694
DOI: 10.1039/b812524b
Contents
Chem. Commun., 2008, 3695
DOI: 10.1039/b812525m
Feature Article
High-definition self-assemblies driven by the hydrophobic effect: synthesis and properties of a supramolecular nanocapsule
Simin Liu and Bruce C. Gibb,
Chem. Commun., 2008, 3709
DOI: 10.1039/b805446k
Enhanced HTML article available
High definition self-assemblies normally rely on enthalpy to promote assembly. An alternative strategy, using entropy to drive assembly, is illustrated by a review of the properties of capsular complexes that assemble via the hydrophobic effect.
Communications
An element of surprise—efficient copper-functionalized dye-sensitized solar cells
Takeru Bessho, Edwin C. Constable, Michael Graetzel, Ana Hernandez Redondo, Catherine E. Housecroft, William Kylberg, Md. K. Nazeeruddin, Markus Neuburger and Silvia Schaffner,
Chem. Commun., 2008, 3717
DOI: 10.1039/b808491b Enhanced HTML article available
Copper(I) complexes of carboxylate-functionalized 2,2
-bipyridine ligands prove surprisingly effective photosensitizers for DSSCs.
Anion hydrogen bond effects in the formation of planar or quintuple helical coordination polymers
Peter Byrne, Gareth O. Lloyd, Kirsty M. Anderson, Nigel Clarke and Jonathan W. Steed,
Chem. Commun., 2008, 3720
DOI: 10.1039/b806060f
A linear bis(pyridylurea) ligand forms a 1D coordination polymer with Ag(I) that twists into a quintuple helix via urea
anion hydrogen bonding interactions.
Surface immobilization of biomolecules by click sulfonamide reaction
Thimmaiah Govindaraju, Pascal Jonkheijm, Lars Gogolin, Hendrik Schroeder, Christian F. W. Becker, Christof M. Niemeyer and Herbert Waldmann,
Chem. Commun., 2008, 3723
DOI: 10.1039/b806764c
Alkyne-modified biomolecules can be immobilized site- and chemoselectively on sulfonylazide slides under very mild conditions by means of the click sulfonamide reaction.
Temperature-triggered reversible micellar self-assembly of linear–dendritic block copolymers
Hyung-il Lee, Jung Ah Lee, Zhiyong Poon and Paula T. Hammond,
Chem. Commun., 2008, 3726
DOI: 10.1039/b807561a
Polymeric micelles based on a thermoresponsive linear–dendritic block copolymer were completely disrupted into unimers upon cooling the solution to a temperature below its LCST and reversibly regenerated upon heating again.
3D Bio-nanofibrous PPy/SIBS mats as platforms for cell culturing
Yong Liu, Xiao Liu, Jun Chen, Kerry J. Gilmore and Gordon G. Wallace,
Chem. Commun., 2008, 3729
DOI: 10.1039/b804283g Enhanced HTML article available
3D bio-nanofibrous PPy/SIBS mats, prepared via a vapor-phase polymerization modified electrospinning process, provide excellent platforms for PC12 cells attachment and growth, indicating potential applications in areas requiring good mass transport such as nerve growth guidance channels.
Hierarchical tuning of 1-D macro morphology by changing the composition of a binary hydrogel and its influence on the photoluminescence property
Abhijit Saha, Swarup Manna and Arun K. Nandi,
Chem. Commun., 2008, 3732
DOI: 10.1039/b805344h
1-D morphological tuning in the riboflavine(R)–melamine(M) hydrogel system (from helical fibre to rod-like to tubular morphology) with an interesting photoluminescence property by changing the composition of the RM components.
Electrochemically and photochemically active Palladium(II) heterotopic metallacalix[3]arenes
Miguel A. Galindo, Andrew Houlton, William Clegg, Ross W. Harrington, José Dobado, Francisco Santoyo-Gonzalez, Fatima Linares, M. Angustias Romero and Jorge A. R. Navarro,
Chem. Commun., 2008, 3735
DOI: 10.1039/b805705b
The cyclic trinuclear system, [(en)3Pd3(4,7-phen)3]6+, undergoes a ligand exchange reaction with 5-R-2-hydroxypyrimidine derivatives to give [(en)3Pd3(4,7-phen)2(Rpymo)]5+, functional supramolecular receptors.
Generation of a triplet diradical from a donor–acceptor cross conjugate upon acid-induced electron transfer
Mats O. Sandberg, Osami Nagao, Zhikun Wu, Michio M. Matsushita and Tadashi Sugawara,
Chem. Commun., 2008, 3738
DOI: 10.1039/b804999h Enhanced HTML article available
Protonation of a para-quinodiimine unit leads to the intramolecular electron transfer from the cross-conjugated donor unit, giving rise to a diradical species.
One-pot synthesis of monodisperse CeO2 nanocrystals and superlattices
Ziyang Huo, Chen Chen, Xiangwen Liu, Deren Chu, Haohang Li, Qing Peng and Yadong Li,
Chem. Commun., 2008, 3741
DOI: 10.1039/b803215g
3 nm monodisperse CeO2 nanocrystals and submicrometer colloidal particles with superlattice structures have been synthesized from ethanol–water mixed solvent by a one-pot approach using icosahedral (NH4)2Ce(NO3)6 as precursor. Using the as-obtained NCs as support, an Au/CeO2 catalyst exhibited good catalytic property for CO oxidation at room temperature.
Binuclear organometallic ruthenium complexes of a Schiff base expanded porphyrin
Luciano Cuesta, Elisa Tomat, Vincent M. Lynch and Jonathan L. Sessler,
Chem. Commun., 2008, 3744
DOI: 10.1039/b807126h Enhanced HTML article available
The synthesis of binuclear 
piano stool
ruthenium complexes of a Schiff base oligopyrrolic macrocycle is reported. Hydrogen bonding donors play a role in stabilizing these complexes, with an unprecedented hydrogen bond interaction being observed between the pyrrole NH
s and a metal-bound dioxygen ligand in one complex.
Manganese catalysed asymmetric cis-dihydroxylation with H2O2
Johannes W. de Boer, Wesley R. Browne, Syuzanna R. Harutyunyan, Laura Bini, Theodora D. Tiemersma-Wegman, Paul L. Alsters, Ronald Hage and Ben L. Feringa,
Chem. Commun., 2008, 3747
DOI: 10.1039/b808355j Enhanced HTML article available
High turnover enantioselective alkene cis-dihydroxylation with H2O2 catalysed by manganese based complexes containing chiral carboxylato ligands.
Catalytic asymmetric deprotonation of phosphine boranes and sulfides as a route to P-stereogenic compounds
Jonathan J. Gammon, Steven J. Canipa, Peter OBrien, Brian Kelly and Sven Taylor,
Chem. Commun., 2008, 3750
DOI: 10.1039/b806864j
Comparing phosphine boranes and sulfides in their catalytic asymmetric deprotonation using RLi and sub-stoichiometric (-)-sparteine has revealed superior catalytic efficiency with phosphine sulfides.
Construction and micellization of a noncovalent double hydrophilic block copolymer
Jianguo Zeng, Keyu Shi, Yuying Zhang, Xuehui Sun and Baolong Zhang,
Chem. Commun., 2008, 3753
DOI: 10.1039/b806858e
The first noncovalent double hydrophilic block copolymer was constructed through inclusion complexation between 
-cyclodextrin and the adamantyl group; it can further self-assemble into two distinctly different micelles in response to pH and temperature in dilute aqueous solution.
Phase-selectivity photocatalysis: a new approach in organic pollutants photodecomposition by nanovoid core(TiO2)/shell(SiO2) nanoparticles
Sheng Wang, Tao Wang, Wenxing Chen and Teruo Hori,
Chem. Commun., 2008, 3756
DOI: 10.1039/b802127a Enhanced HTML article available
Core(TiO2)/shell(SiO2) nanoparticles, with a void layer between the TiO2 core and the silica layer, act as phase-selectivity photocatalysts for the photodecomposition of organic pollutants (gas phase) without any damage to their organic supports (solid phase).
Hydrothermal carbon spheres containing silicon nanoparticles: synthesis and lithium storage performance
Rezan Demir Cakan, Maria-Magdalena Titirici, Markus Antonietti, Guanglei Cui, Joachim Maier and Yong-Sheng Hu,
Chem. Commun., 2008, 3759
DOI: 10.1039/b805671b
Spherically shaped carbon/silicon nanocomposites have been obtained using hydrothermal carbonization of glucose in the presence of commercially available silicon nanoparticles and have been tested electrochemically as an anode material for lithium-ion batteries.
Synthesis of novel chalcogenide 
lifebelts and their electrogenerated chemiluminescence
Jian-Jun Miao, Gui-Fen Jie, Yu-Ping Chen, Lei Zhang, Li-Ping Jiang and Jun-Jie Zhu,
Chem. Commun., 2008, 3762
DOI: 10.1039/b803645d
Novel chalcogenide lifebelts have been prepared by using a simple sacrificial template method, and their electrogenerated chemiluminescence properties were studied.
Synthesis, and two photon absorption properties of 7,7-(iminundecahydro-closo-dodecaborate)-9,9-(dihexyl)-2,2-bifluorene
Rémy Bernard, Cyril Barsu, Patrice L. Baldeck, Chantal Andraud, David Cornu, Jean-Pierre Scharff and Philippe Miele,
Chem. Commun., 2008, 3765
DOI: 10.1039/b804908d
Synthesis and two photon-absorption study of the first example of a centrosymetric bifluorene derivative including a closo-dodecaborate anion as the original electron donating group.
A versatile synthesis of 2,4-substituted oxazoles
Vijay Chudasama and Jonathan D. Wilden,
Chem. Commun., 2008, 3768
DOI: 10.1039/b805430d
A variety of five-membered ring oxazoles have been synthesised with complete regiocontrol and without the requirement for ring oxidation via a reaction sequence based on a vinyl sulfonamide template.
Polymerase chain reaction-based biochemical logic gate coupled with cell-free transcription–translation of green fluorescent protein as a report gate
Takahiko Nojima, Takatoki Yamamoto, Hiroshi Kimura and Teruo Fujii,
Chem. Commun., 2008, 3771
DOI: 10.1039/b807039c Enhanced HTML article available
PCR-based biochemical logic gates were designed for AND, OR, NOT, and AND–NOT operations, whose output signal is reported by coupled cell-free transcription–translation of green fluorescent protein.
2,3-Heteroaromatic ring-fused cyclohexanones via heteroaromatic homo-Nazarov cyclization of donor–acceptor substituted cyclopropanes
Veejendra K. Yadav and Naganaboina Vijaya Kumar,
Chem. Commun., 2008, 3774
DOI: 10.1039/b805348k Enhanced HTML article available
Heteroaryl 2-silylmethyl-substituted cyclopropyl ketones rearrange under Lewis acid conditions via heteroaromatic homo-Nazarov cyclization to form 2,3-heteroaromatic ring fused 4-t-butyldiphenylsilylmethyl-substituted cyclohexanones.
The influence of trace water concentration on iron oxide nanoparticle size
Janet E. Macdonald, Christopher J. Brooks and Jonathan G. C. Veinot,
Chem. Commun., 2008, 3777
DOI: 10.1039/b805715j
The size of iron oxide nanoparticles, prepared from the thermal decomposition of Fe(CO)5 in a high boiling solvent in the presence of oleic acid, is affected by water concentration.
Activation of organozinc reagents with t-Bu-P4 base for transition metal-free catalytic SN2 reaction
Koji Kobayashi, Masahiro Ueno, Hiroshi Naka and Yoshinori Kondo,
Chem. Commun., 2008, 3780
DOI: 10.1039/b807169a Enhanced HTML article available
The t-Bu-P4 base was used to promote SN2 reaction of 
,-unsaturated esters bearing a 
-chloride using organozinc reagents with excellent chemo- and regioselectivity.
Vanadium–vitamin B12 bioconjugates as potential therapeutics for treating diabetes
Riya Mukherjee, Edward G. Donnay, Michal A. Radomski, Catherine Miller, Duane A. Redfern, Arne Gericke, Derek S. Damron and Nicola E. Brasch,
Chem. Commun., 2008, 3783
DOI: 10.1039/b806598e Enhanced HTML article available
Although vanadium(IV) and (V) complexes lower blood glucose levels, their poor absorption necessitates high doses. A novel cobalamin conjugate incorporating a hydroxypyridinone type ligand binds vanadate tightly, thus transporting it into cells by efficient B12 uptake mechanisms.
Chemoenzymatic acylation of aminoglycoside antibiotics
Nicholas M. Llewellyn and Jonathan B. Spencer,
Chem. Commun., 2008, 3786
DOI: 10.1039/b802248h
The chemoenzymatic installation of the (S)-4-amino-2-hydroxybutyryl side chain onto 2-deoxystreptamine-containing aminoglycosides is described using the purified Bacillus circulans biosynthetic enzymes BtrH and BtrG in combination with a synthetic acyl-SNAC surrogate substrate.
Anionic benzothiadiazole containing polyfluorene and oligofluorene as organic sensitizers for dye-sensitized solar cells
Xizhe Liu, Rui Zhu, Yong Zhang, Bin Liu and Seeram Ramakrishna,
Chem. Commun., 2008, 3789
DOI: 10.1039/b805060k
Anionic polyfluorene and oligofluorene derivatives were synthesized and utilized as organic dye sensitizers in dye sensitized solar cells to show a maximum power conversion efficiency of 1.39%.
Investigation of DNA as a catalyst for Henry reaction in water
Jinmin Fan, Gaojun Sun, Changfeng Wan, Zhiyong Wang and Yingfu Li,
Chem. Commun., 2008, 3792
DOI: 10.1039/b805767b Enhanced HTML article available
Double-stranded DNA available from a variety of natural sources (including bacteria and plants) can be used as a catalyst to facilitate the Henry reaction in aqueous solution under mild reaction conditions.
Enantioselective rhodium-catalysed 1,4-additions of 2-heteroarylzinc donors using Me-DUPHOS
Jérôme Le Nôtre, Joseph C. Allen and Christopher G. Frost,
Chem. Commun., 2008, 3795
DOI: 10.1039/b806098c Enhanced HTML article available
A complex derived from [Rh(C2H4)2Cl]2 and (R,R)-Me-DUPHOS is an efficient and highly enantioselective catalyst for the conjugate addition of 2-heteroarylzinc reagents (up to 99 : 1 er).
Enantioselective organocatalytic Michael additions to acrylic acid derivatives: generation of all-carbon quaternary stereocentres
Caroline L. Rigby and Darren J. Dixon,
Chem. Commun., 2008, 3798
DOI: 10.1039/b805233f Enhanced HTML article available
Acrylic esters, thioesters and N-acryloyl pyrrole have been identified as effective Michael acceptors in the reaction with -keto ester pro-nucleophiles catalysed by a cinchona alkaloid derived bifunctional organocatalyst. Enantiomeric excesses of up to 98% and yields of up to 96% can be obtained for a range of Michael acceptors and pro-nucleophiles.
A chiral iron-sexipyridine complex as a catalyst for alkene epoxidation with hydrogen peroxide
Ho-Lun Yeung, Kiu-Chor Sham, Chui-Shan Tsang, Tai-Chu Lau and Hoi-Lun Kwong,
Chem. Commun., 2008, 3801
DOI: 10.1039/b804281k Enhanced HTML article available
A chiral iron-sexipyridine complex–hydrogen peroxide mixture is a highly efficient catalytic system for styrene epoxidation with excellent reactivity and chemoselectivity.
Rhodium-catalyzed enantio- and diastereoselective intramolecular [2 + 2 + 2] cycloaddition of unsymmetrical dienynes
Hiromi Sagae, Keiichi Noguchi, Masao Hirano and Ken Tanaka,
Chem. Commun., 2008, 3804
DOI: 10.1039/b804294b Enhanced HTML article available
A cationic rhodium(I)/(R)-H8-BINAP or (R)-Segphos complex catalyzes an intramolecular [2 + 2 + 2] cycloaddition of unsymmetrical dienynes, leading to fused tri- and tetracyclic cyclohexenes bearing two tertiary or quaternary carbon centers in high yields with high enantio- and diastereoselectivity.
Back cover
Chem. Commun., 2008, 3807
DOI: 10.1039/b812526k
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