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Chemical Science issue 10 available online now
24 September 2008
Drawing together the best content from all RSC publications, to provide a snapshot of the latest developments across the chemical sciences.
Gold: Chemistry, Materials and Catalysis
19 August 2008
Chem Soc Rev issue 9 is a thematic issue highlighting current cutting edge research in the field of gold chemistry

Newspaper filters out gold
04 August 2008
Ordinary newspaper can be used to recover precious metals from industrial wastewater, say researchers in Japan
Contents list for New Journal of Chemistry, issue 9, 2008
Front cover
New J. Chem., 2008, 32, 1457
DOI: 10.1039/b813964b

Inside front cover
New J. Chem., 2008, 32, 1458
DOI: 10.1039/b813965m
Contents and Chemical Science
New J. Chem., 2008, 32, 1459
DOI: 10.1039/b813966k
Letter
A metallo-supramolecular approach to a half-subtractor
Miguel Vázquez López, M. Eugenio Vázquez, Clara Gómez-Reino, Rosa Pedrido and Manuel R. Bermejo,
New J. Chem., 2008, 32, 1473
DOI: 10.1039/b808888h

The tetraamine dinucleating ligand L, which bears naphthalene moieties at both ends, behaves as a combinatorial logic circuit for a molecular half-subtractor in the presence of ZnII ions. The mechanism for this device is based on the assembly of 1 : 1 ZnII– L metallo-supramolecular adducts with fluorescent excimer emission properties.
Papers
Self-organised nano-arrays of p-phosphonic acid functionalised higher order calixarenes
Thomas E. Clark, Mohamed Makha, Alexandre N. Sobolev, Dian Su, Henry Rohrs, Michael L. Gross, Jerry L. Atwood and Colin L. Raston,
New J. Chem., 2008, 32, 1478
DOI: 10.1039/b801256c

A general synthetic protocol to the synthesis of water-soluble p-phosphonic acid calix[n]arenes (n = 5, 6 or 8), and solution and gas-phase studies of the formation of nano-arrays of around 20 calixarene units were observed using MALDI-TOF-MS and ESI-MS.
Ravels: knot-free but not free. Novel entanglements of graphs in 3-space
Toen Castle, Myfanwy E. Evans and S. T. Hyde,
New J. Chem., 2008, 32, 1484
DOI: 10.1039/b719665b

Nets can be tangled in a way that avoids any knotting or linking of loops in the net. If the entanglements are localised to a vertex, they are ravelled rather than knotted.
New aspects on the hydrogen bond donor (HBD) strength of 1-butyl-3-methylimidazolium room temperature ionic liquids
Ralf Lungwitz, Manfred Friedrich, Wolfgang Linert and Stefan Spange,
New J. Chem., 2008, 32, 1493
DOI: 10.1039/b805932b

Improved hydrogen bond donor (HBD) strength parameters of room temperature ionic liquids (RTILs) have been determined using Fe(phen)2(CN)2 as a solvatochromic UV/Vis probe, which results from dissolution of [Fe(phen)2(CN)2]ClO4.
Fluorescent signaling provides deeper insight into aromatic anion uptake by metal-ion activated molecular receptors
Adam J. Bradbury, Stephen F. Lincoln and Kevin P. Wainwright,
New J. Chem., 2008, 32, 1500
DOI: 10.1039/b719183a

Fluorescent signaling of aromatic anion uptake by the metal-ion activated molecular receptor (blue) indicates greatly enhanced binding strength when classical hydrogen bonding is augmented by non-classical hydrogen bonding. Thus, salicylate (log K = 7.1), for example, is much more strongly included than benzoate (log K = 2.3).
AFM and TEM image of phenylacetylene polymerization on Rh/PVP colloidal nanoparticles
Marta Kopaczy
ska, Jurgen H. Fuhrhop, Anna M. Trzeciak, Józef J. Zió
kowski and Robert Choukroun,
New J. Chem., 2008, 32, 1509
DOI: 10.1039/b800867a

Rh/PVP nanoparticles were used as a new kind of catalyst in polymerization of phenylacetylene (PA).
Synthesis and structures of gallium alkoxides
Siama Basharat, Caroline E. Knapp, Claire J. Carmalt, Sarah A. Barnett and Derek A. Tocher,
New J. Chem., 2008, 32, 1513
DOI: 10.1039/b801579a

The synthesis and characterisation of gallium alkoxides, of the type [Ga(OR)nCl3-n], incorporating donor functionalised ligands is described.
Immobilization of platinum(II) and palladium(II) complexes on metal oxides by sol–gel processing and surface modification using bifunctional phosphine–phosphonate esters
Gilles Guerrero, P. Hubert Mutin, E. Framery and André Vioux,
New J. Chem., 2008, 32, 1519
DOI: 10.1039/b800250a

Phosphine ligands and Pt(II) and Pd(II) complexes were immobilized on metal oxide supports using phosphonate esters as anchoring groups that provide a valuable alternative to phosphonic acids.
Fe3O4 polyhedral nanoparticles with a high magnetization synthesized in mixed solvent ethylene glycol–water system
Shao-Wen Cao, Ying-Jie Zhu and Jiang Chang,
New J. Chem., 2008, 32, 1526
DOI: 10.1039/b719436f

Well-dispersed Fe3O4 polyhedral nanoparticles showing superparamagnetism with a high magnetization close to that of bulk Fe3O4 were prepared by a solvothermal approach in the ethylene glycol (EG)–H2O system.
Luminescence from cerium(III) acetate complexes in aqueous solution: considerations on the nature of carboxylate binding to trivalent lanthanides
M. Emília Azenha, Hugh D. Burrows, Sofia M. Fonseca, M. Luísa Ramos, José Rovisco, J. Seixas de Melo, Abilio J. F. N. Sobral and Ksenija Kogej,
New J. Chem., 2008, 32, 1531
DOI: 10.1039/b800105g

A short lived luminescence is seen in aqueous solutions of cerium(III) in the presence of acetate ion and attributed to a 1 : 1 complex involving weak bidentate coordination of the carboxylate ligand.
Dual emission of a bis(pyrene)-functionalized, perbenzylated
-cyclodextrin
Cheng Huo, Jean-Claude Chambron and Michel Meyer,
New J. Chem., 2008, 32, 1536
DOI: 10.1039/b803144d

The monomer/excimer fluorescence of 1 is switched by change in solvent composition or presence of the appropriate substrate: (a) H2O–DMSO (80 : 20 v/v); (b) DMSO or heptanoic acid.
The Dotted Cap Notation: A concise notation for describing variegated dendrimers
Benjamin P. Roberts, Martin J. Scanlon, Guy Y. Krippner and David K. Chalmers,
New J. Chem., 2008, 32, 1543
DOI: 10.1039/b800724a

A new notation has been developed to concisely describe the surface functionalisation of variegated dendrimers.
Photodynamic properties of supramolecular assembly constructed by magnesium complex of hypocrellin A and fullerene C60
Yunyan Gao, Zhize Ou, Jingrong Chen, Guoqiang Yang, Xuesong Wang, Baowen Zhang, Mimi Jin and Lihua Liu,
New J. Chem., 2008, 32, 1555
DOI: 10.1039/b803184c

Mg2+–HA acts as a light-harvesting antenna in the supramolecular system Mg2+–HA/C60 and mediates electron transfer from diethylaniline (DEA) to C60.
Square-lattice hybrid organic–inorganic conducting layers in the
phase of a TTF tertiary amide derivative
Pascal Cauliez, Cécile Mézière, Pascale Auban-Senzier, Rodolphe Clérac and Marc Fourmigué,
New J. Chem., 2008, 32, 1561
DOI: 10.1039/b801464g

A rare stoichiometric
phase is identified in
-(EDT-TTF-CONMe2)2(AuBr2)2·TCE, characterised by a square lattice of orthogonal radical cations and a sizeable conductivity for a 1 : 1 salt.
Synthesis of 5-(bromomethylene)furan-2(5H)-ones and 3-(bromomethylene)isobenzofuran-1(3H)-ones as inhibitors of microbial quorum sensing
Tore Benneche, Zainab Hussain, Anne Aamdal Scheie and Jessica Lönn-Stensrud,
New J. Chem., 2008, 32, 1567
DOI: 10.1039/b803926g

5-Bromomethylenefuran-2(5H)-ones and 3-(bromomethylene)isobenzofuran-1(3H)-ones inhibit bacterial communication and can be readily made from maleic anhydrides and phthalic anhydrides, respectively.
Synthesis and characterisation of [(triphos)Fe(CO)H2] and its protonation to a dihydrogen complex via an unconventional hydrogen-bonded intermediate
Gemma Guilera, G. Sean McGrady, Jonathan W. Steed, Richard P. L. Burchell, Peter Sirsch and Anthony J. Deeming,
New J. Chem., 2008, 32, 1573
DOI: 10.1039/b801652f

Protonation of an iron(II) dihydride complex proceeds via an unconventionally hydrogen bonded intermediate to give a stretched H2 complex.
Topological description of a 3D self-catenated nickel hybrid vanadate Ni(bpe)(VO3)2. Thermal stability, spectroscopic and magnetic properties
Roberto Fernández de Luis, José L. Mesa, Miren K. Urtiaga, Luis Lezama, María I. Arriortua and Teófilo Rojo,
New J. Chem., 2008, 32, 1582
DOI: 10.1039/b800820e

Crystal structure of 3D self-catenated NiBpe(VO3)2.
Reactions of thiacalix[4]arene 1,3-bistriflate: formation of thiacalix[2]phenoxathiins—structural and complexation studies
Almeqdad Habashneh, Chester R. Jablonski, Julie Collins and Paris E. Georghiou,
New J. Chem., 2008, 32, 1590
DOI: 10.1039/b801483c

Sonogashira reactions with thiacalix[4]arene bistriflate fail to produce arylethynyl products. Instead, a novel thia[2]phenoxathiin is produced, likely via an Ullmann-type mechanism. An unprecedented Pd(0)-mediated hydride-displacement of a lower-rim triflate was also observed. Five new X-ray structures are reported.
Systematic approach to new ligands for anion recognition based on ureido-calix[4]arenes
Ivan Stibor, Jan Budka, Veronika Michlová, Marcela Tkadlecová, Michaela Pojarová, Petra Cu
ínová and Pavel Lhoták,
New J. Chem., 2008, 32, 1597
DOI: 10.1039/b802871k

Mono-, di-, tri- and tetraureido-calix[4]arenes were synthesised and systematically studied for their complexation ability towards anions. A new type of very efficient ligands based on a 1,3-alternate conformation was discovered.
Ring–chain tautomerism and protolytic equilibria of 3-hydroxy-3-phosphonoisobenzofuranone studied by 1H, 13C and 31P NMR-controlled titrations
Sven Augner, Jan Kehler, Zoltán Szakács, Eli Breuer and Gerhard Hägele,
New J. Chem., 2008, 32, 1608
DOI: 10.1039/b800450c

Multinuclear NMR and potentiometric titrations revealed concerted ring–chain and protolytic equilibria involving 3-hydroxy-3-phosphonoisobenzofuranone and ortho-(phosphonatoformyl)benzoate.
Investigation on the flexibility of chiral tricyclic derivatives
Maria Altamura, Paolo Dapporto, Antonio Guidi, Nicholas J. S. Harmat, Loïc Jierry, Elisa Libralesso, Paola Paoli and Patrizia Rossi,
New J. Chem., 2008, 32, 1617
DOI: 10.1039/b801569d

Results of the investigations, by ab initio calculations and NMR spectroscopy, on the inversion barrier of enantiomeric conformers of tricyclic compounds bearing different heteroatoms on the central seven-membered ring, are presented.
Investigating the voltammetric reduction of methylviologen at gold and carbon based electrode materials. Evidence for a surface bound adsorption mechanism leading to electrode
protection
using multi-walled carbon nanotubes
Lei Xiao, Gregory G. Wildgoose and Richard G. Compton,
New J. Chem., 2008, 32, 1628
DOI: 10.1039/b804842h

The mechanistic redox behaviour of methylviologen in water is reported for several electrode materials. It was also found that multi-walled carbon nanotubes provides diffusional protection to underlying substrates.
Recovery of precious metals by using chemically modified waste paper
Chaitanya Raj Adhikari, Durga Parajuli, Katsutoshi Inoue, Keisuke Ohto, Hidetaka Kawakita and Hiroyuki Harada,
New J. Chem., 2008, 32, 1634
DOI: 10.1039/b802946f

Chemically modified waste paper reduces Au(III) in acidic solution to elemental form.
Back matter
New J. Chem., 2008, 32, 1642
DOI: 10.1039/b814059f
Back cover
New J. Chem., 2008, 32, 1643
DOI: 10.1039/b813967a
