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Dalton Discussion 12: Catalytic C-H and C-X Bond Activation
28 October 2009
Submit an abstract for your chance to present your work at the meeting (September 2010, Durham, UK) and be published in Dalton Transactions. Deadline - 13 November 2009
Luminescent chiral lanthanide(III) complexes as potential molecular probes
03 November 2009
Gilles Muller introduces us to the design of luminescence lanthanide complexes with chiral properties
Influence of steric pressure on the activation of carbon dioxide and related small molecules by uranium coordination complexes
03 November 2009
Karsten Meyer and co-workers discuss the advantages of using uranium in coordination chemistry
Contents list for Dalton Transactions, issue 44, 2009
Front cover
Dalton Trans., 2009, 9661
DOI: 10.1039/b921875k
Inside front cover
Dalton Trans., 2009, 9662
DOI: 10.1039/b921876a
Contents
Dalton Trans., 2009, 9663
DOI: 10.1039/b921878p
Perspectives
Influence of steric pressure on the activation of carbon dioxide and related small molecules by uranium coordination complexes
Oanh P. Lam, Christian Anthon and Karsten Meyer,
Dalton Trans., 2009, 9677
DOI: 10.1039/b905537a
Uranium is an effective candidate for small molecule activation and a key participant in catalytic processes.
Luminescent chiral lanthanide(III) complexes as potential molecular probes
Gilles Muller,
Dalton Trans., 2009, 9692
DOI: 10.1039/b909430j
This feature article gives an introduction into the design of luminescent lanthanide(III)-containing complexes possessing chiral properties and used as potential probe of biomolecular substrates.
Communications
Tetranuclear vanadium complex, (VO)4(hpic)4: a recyclable catalyst for oxidation of benzyl alcohols with molecular oxygen
Shintaro Kodama, Yukihiro Ueta, Jun Yoshida, Akihiro Nomoto, Shigenobu Yano, Michio Ueshima and Akiya Ogawa,
Dalton Trans., 2009, 9708
DOI: 10.1039/b913823d
Vanadium(IV) complexes, VO(Hhpic)2 ( 1) and (VO)4(hpic)4 ( 2), have catalytic ability for the oxidation of benzyl alcohols with molecular oxygen, and 2 is useful as a recycling catalyst with excellent turnover numbers.
A new bifunctional GdIII complex of enhanced efficacy for MR-molecular imaging applications
Lorenzo Tei, Giuseppe Gugliotta, Zsolt Baranyai and Mauro Botta,
Dalton Trans., 2009, 9712
DOI: 10.1039/b917566k
An easily conjugable, stable GdDOTA-monopropionamide (Gd L1) complex with an optimal water exchange rate exhibits enhanced relaxivity (+130% at 20 MHz and 278 K) upon formation of macromolecular aggregates, unlike that found for the commonly used acetoamide derivatives (i.e. Gd L3).
-Diketiminate C–H activation with heavier group 2 alkyls
Mark R. Crimmin, Anthony G. M. Barrett, Michael S. Hill, Dugald J. MacDougall, Mary F. Mahon and Panayiotis A. Procopiou,
Dalton Trans., 2009, 9715
DOI: 10.1039/b917466b
Well defined dialkyls of the heavier alkaline earth elements, [M{CH(SiMe3)2}2(THF)n] [M = Ca, n = 2; M = Sr, n = 3; M = Ba, n = 3] react to form either the heteroleptic -diketiminato alkyl when M = Ca or unusual 
C–H activation
products in which a methyl group of the ligand is deprotonated when M = Sr or Ba.
Selective recognition and binding of arsenate over phosphate
Rune Kirk Egdal, Georg Raber, Andrew D. Bond, Munawar Hussain, Maria P. B. Espino, Kevin A. Francesconi and Christine J. McKenzie,
Dalton Trans., 2009, 9718
DOI: 10.1039/b918143c
Supramolecular sensing: A divanadium complex with labile water ligands selectively binds arsenate in the presence of phosphate. RO- = bis-[N,N-bis(2-pyridylmethyl)amino]methyl}-4-tert-butylphenolate.
Condensed heterometallic bidimensional mixed valence CuI/CuII/NiII cyanidometallate
Garikoitz Beobide, Oscar Castillo, Javier Cepeda, Antonio Luque, Sonia Pérez-Yáńez and Pascual Román,
Dalton Trans., 2009, 9722
DOI: 10.1039/b915284a
A 2D coordination network, [Cu2Ni(dien)(
-CN)5]n ( 1), built up from fused [Ni(CN)4]2- and [Cu(CN)3]2- cyanidometallate anions and [Cu(dien)]2+ entities is reported.
Click chemistry with lanthanide complexes: a word of caution
Graeme J. Stasiuk and Mark P. Lowe,
Dalton Trans., 2009, 9725
DOI: 10.1039/b918891f
A propargyl-appended Eu(III) complex shows unanticipated reactivity towards NaN3 in the Cu(I) catalysed click reaction yielding an unsubstituted 1,2,3-triazole which exhibits pH-responsive 1H NMR and Eu(III) luminescence behaviour in the physiological pH range.
Azaphosphaallyl anion lithium [ArNC(But)PAr]-Li+(THF)4 and its monomeric potassium and thallium complexes (Ar = 2, 6-iPr2C6H3)
Xiaofei Li, Haibin Song and Chunming Cui,
Dalton Trans., 2009, 9728
DOI: 10.1039/b916501k
The super azaphosphaallyl lithium anion [ArNC(But)PAr]-Li+(THF)4 (Ar = 2, 6-iPr2C6H3) and its monomeric potassium and thallium complexes were synthesized and structurally characterized.
Papers
A facile synthesis of dispersable NaCl nanocrystals
Thomas Annen and Matthias Epple,
Dalton Trans., 2009, 9731
DOI: 10.1039/b911047j
A surprising by-product: nanoscopic sodium chloride is the elimination product of the classical malonic ester synthesis. It can easily be dispersed in water-free organic solvents.
Density functional theory study of the oxoperoxo vanadium(V) complexes of glycolic acid. Structural correlations with NMR chemical shifts
Licínia L. G. Justino, M. Luísa Ramos, Martin Kaupp, Hugh D. Burrows, Carlos Fiolhais and Victor M. S. Gil,
Dalton Trans., 2009, 9735
DOI: 10.1039/b910033d
The V
O bond length was found to be the major factor determining 
51V and the oxo 17O in a series of model systems of oxo and oxoperoxo V(V) complexes.
Thiolates vs. halides as 
-donors: the redox-active alkyne complexes [M(SR)L(
-R
C
CR)L] {M = Mo or W, L = CO or P(OMe)3, L = -C5H5 and Tp}
Christopher J. Adams, Angharad Baber, Supakorn Boonyuen, Neil G. Connelly, Beatriz E. Diosdado, Anob Kantacha, A. Guy Orpen and Elena Patrón,
Dalton Trans., 2009, 9746
DOI: 10.1039/b912986c
A comparison is made of the relative -donor abilities of halide and thiolate ligands on the basis of the redox properties of Mo and W cyclopentadienyl and hydrotris(pyrazolyl)borate complexes.
Molecular squares of NiII and CuII: ferromagnetic exchange interaction mediated by syn–anti carboxylate-bridging
Himanshu Arora, Francesc Lloret and Rabindranath Mukherjee,
Dalton Trans., 2009, 9759
DOI: 10.1039/b905463d
Comparative magnetostructural studies have been made on discrete tetrameric nickel(II) and copper(II) complexes, bridged by syn–anti carboxylate conformation
Mononuclear [(BP)2MX]n+ (M = Cu2+, Co2+, Zn2+; X = OH2, Cl-) complexes with a new biphenyl appended N-bidentate ligand: structural, spectroscopic, solution equilibrium and ligand dynamic studies
Shahulhameed Sabiah, Babu Varghese and Narasimha N. Murthy,
Dalton Trans., 2009, 9770
DOI: 10.1039/b910519k
A new biphenyl appended N-bidentate ligand shows interesting coordination chemistry with its mononuclear metal complexes including atropisomeric biaryl dynamics and hemilabile nature in solution.
Rare earth metal squarates incorporating ethylene glycol ligand with a three-dimensional framework structure: RE(C4O4)1.5(C2H6O2) (RE = Y, La–Nd, Sm–Lu)
Yen-Shen Liu, Ming-Feng Tang and Kwang-Hwa Lii,
Dalton Trans., 2009, 9781
DOI: 10.1039/b911962k
This paper reports the hydrothermal synthesis and structural characterization of the first examples of organic–inorganic hybrid compounds which contain both squarate and ethylene glycol ligands.
Red-light-emitting electrochemical cell using a polypyridyl iridium(III) polymer
José Lorenzo Rodríguez-Redondo, Rubén D. Costa, Enrique Ortí, Angela Sastre-Santos, Henk J. Bolink and Fernando Fernández-Lázaro,
Dalton Trans., 2009, 9787
DOI: 10.1039/b910105e
An efficient deep-red phosphorescent ionic iridium(III) complex was prepared and incorporated into a polymer. It is the first example of a polymeric ionic iridium complex-based LEC, which exhibits increased stability compared to the device based on the small molecular weight complex.
Silica- and polymer-supported platinum(II) polypyridyl complexes: synthesis and application in photosensitized oxidation of alkenes
Ke Feng, Ming-Li Peng, Deng-Hui Wang, Li-Ping Zhang, Chen-Ho Tung and Li-Zhu Wu,
Dalton Trans., 2009, 9794
DOI: 10.1039/b916488j
Square-planar polypyridine platinum(II) complexes have been introduced into a silica/polymer matrix by covalent ligand modification, which can be used as sensitizers for photooxidation using molecular oxygen.
Synthesis and catalytic application of aluminium anilido-pyrazolate complexes
Kuo-Fu Peng and Chi-Tien Chen,
Dalton Trans., 2009, 9800
DOI: 10.1039/b905394h
Aluminium complexes bearing anilido-pyrazolate ligands demonstrate efficient activities in catalysing the ring opening polymerisation of 
-caprolactone in the presence of benzyl alcohol at room temperature.
Two 3D chiral coordination polymers with 4-connected 66 topological net: synthesis, structure and magnetic properties
Zheng-Bo Han, Jian-Wei Ji, Hai-Yan An, Wei Zhang, Guang-Xi Han, Guo-Xin Zhang and Li-Guo Yang,
Dalton Trans., 2009, 9807
DOI: 10.1039/b909083e
Two novel 3D chiral metal–organic frameworks composed of interweaving helical chains, [Co(hip)(DPPZ)]n and [Cu(hip)(DPPZ)]n have been synthesized by the achiral ligand 5-hydroxyisophthalic acid (hip), with DPPZ and Co(II)/Cu(II) ions without any chiral auxiliary.
A glycine ruthenium trithiacyclononane complex and its molecular encapsulation using cyclodextrins
Joana Marques, Teresa M. Santos, Maria Paula Marques and Susana S. Braga,
Dalton Trans., 2009, 9812
DOI: 10.1039/b915839a
Ru([9]aneS3)(glycine)Cl synthesised from Ru([9]aneS3)dmsoCl2 and glycine was tested against the MG-63 osteosarcoma cell line. Inclusion compounds with several cyclodextrins were also prepared and tested, but the best antitumour results were obtained for the pure ruthenium complex.
Versatile catalytic systems based on complexes of zinc, magnesium and calcium supported by a bulky bis(morpholinomethyl)phenoxy ligand for the large-scale immortal ring-opening polymerisation of cyclic esters
Valentin Poirier, Thierry Roisnel, Jean-François Carpentier and Yann Sarazin,
Dalton Trans., 2009, 9820
DOI: 10.1039/b917799j
New discrete complexes proved highly active for the large-scale immortal ring-opening polymerisation of cyclic esters, using large amounts of alcohol as a transfer agent under mild conditions.
Stable N-bridged diiron (IV) phthalocyanine cation radical complexes: synthesis and properties
Pavel Afanasiev, Denis Bouchu, Evgeny V. Kudrik, Jean-Marc M. Millet and Alexander B. Sorokin,
Dalton Trans., 2009, 9828
DOI: 10.1039/b916047g
Oxidation of N-bridged diiron phthalocyanine with tBuOOH in CH2X2 (X = Cl, Br) afforded N-bridged diiron (IV) phthalocyanine cation radical complexes, as evidenced by UV-vis, EPR, Mössbauer, XANES and EXAFS data.
Homochiral zinc phosphonates with layered and open framework structures using polycarboxylate as second linkers
Xun-Gao Liu, Jian Huang, Song-Song Bao, Yi-Zhi Li and Li-Min Zheng,
Dalton Trans., 2009, 9837
DOI: 10.1039/b914583d
A new synthetic route towards chiral metal phosphonates is developed through the incorporation of a second linker, which leads to homochiral compounds (R)-, (S)-[Zn4(pempH)4(bdc)2]·2H2O ( 1) and (R)-, (S)-[Zn3(pempH)2(btec)(H2O)2]·H2O ( 2) [pemp = PhCH(CH3)NHCH2PO3, bdc = Ph(COO)2, btec = Ph(COO)4].
Syntheses, crystal structures, thermal stabilities, luminescence and magnetism of two 3D pillared metal phosphonates
Ruibiao Fu, Shengmin Hu and Xintao Wu,
Dalton Trans., 2009, 9843
DOI: 10.1039/b907619k
Two layered metal phosphonates pillared by 4,4-bipyridine into 3D neutral frameworks with parallelogram-shaped channels, have been synthesized hydrothermally and satisfactorily characterized.
A metal–organic framework via the reaction of benzoate with a cationic inorganic material
Claudia H. Swanson, Steven P. Cummings, Martin Grysell, Dat T. Tran, David L. Rogow, Allen G. Oliver and Scott R. J. Oliver,
Dalton Trans., 2009, 9849
DOI: 10.1039/b912874c
We report a metal–organic framework that forms by transformation of our previously reported cationic inorganic material, Pb3F5NO3. The new structure contains two-dimensional lead–oxygen layers with bridging benzoates arranged into a hydrophobic bilayer.
Novel manganese(II) and cobalt(II) 3D polymers with mixed cyanate and carboxylate bridges: crystal structure and magnetic properties
Yan-Qin Wang, Kun Wang, Qian Sun, Hua Tian, En-Qing Gao and You Song,
Dalton Trans., 2009, 9854
DOI: 10.1039/b914592c
The combination of cyanate and an inner-salt dicarboxylate ligand leads to 3D frameworks that contains novel chains with mixed cyanate and carboxylate bridges, which mediate antiferromagnetic interactions in the Mn(II) compound but ferromagnetic ones in the Co(II) species.
Selective formation of cis-diacyl, cis-PPh2R rhodium(III) complexes by the reaction of rhodium(III) cis-diacyl, trans-PPh2R complexes with aliphatic diamines
María A. Garralda, Ricardo Hernández, Elena Pinilla, M. Rosario Torres and Malkoa Zarandona,
Dalton Trans., 2009, 9860
DOI: 10.1039/b913244a
The cis-diacyl, trans-PPh2R complex A reacts with aliphatic diamines affording selectively cis-diacyl, cis-PPh2R complexes as B, due mainly to strong N—H
O hydrogen bonding. Elimination of the diamine gives a mixture of dimers where the electronically favoured C is more abundant.
Novel 1D chain Fe(III)-salen-like complexes involving anionic heterocyclic N-donor ligands. Synthesis, X-ray structure, magnetic, 57Fe Mössbauer, and biological activity studies
Radovan Herchel, Zden
k 
indelá
, Zdenk Trávní
ek, Radek Zboil and Ján Vano,
Dalton Trans., 2009, 9870
DOI: 10.1039/b912676g
The 1D iron(III) salen-type complexes [Fe(salen)(L)]n {HL = 1H-imidazole, 1H-tetrazol-5-amine), 5-methyl-1H-tetrazole, 1H-benzimidazole, 1H-1,2,4-triazole and 1H-benzotriazole} have been prepared and their magnetic and biological properties were studied.
Rotaxanes of a macrocyclic ferrocenophane with dialkylammonium axle components
Yuji Suzaki, Eriko Chihara, Atsuko Takagi and Kohtaro Osakada,
Dalton Trans., 2009, 9881
DOI: 10.1039/b907417a
Ferrocene-containing crown ether and its rotaxane with dialkyl ammonium and with its amide derivatives were synthesized. Ferrocenylene group in the crown ether shows function as a quencher of fluorescence of an anthryl group in the axis molecule.
Reductive dearomatization of a substituted benzene triggered by a strong oxidant
Runyu Tan and Datong Song,
Dalton Trans., 2009, 9892
DOI: 10.1039/b919233f
We report a reductive dearomatization of a substituted benzene ring triggered by a strong oxidant, NCS, in both stoichiometric and catalytic fashions.
Vitamin B12 model complex catalyzed methyl transfer reaction to alkylthiol under electrochemical conditions with sacrificial electrode
Ling Pan, Hisashi Shimakoshi, Takahiro Masuko and Yoshio Hisaeda,
Dalton Trans., 2009, 9898
DOI: 10.1039/b909163g
The catalytic methyl-transfer reaction from methyl tosylate to 1-octanethiol catalyzed by hydrophobic vitamin B12 proceeded under electrochemical conditions using a carbon-felt cathode and a zinc plate anode as the sacrificial electrode.
Preparation and characterization of bisphenolato magnesium derivatives: an efficient catalyst for the ring-opening polymerization of -caprolactone and L-lactide
Min-Yi Shen, Ya-Liu Peng, Wen-Chou Hung and Chu-Chieh Lin,
Dalton Trans., 2009, 9906
DOI: 10.1039/b912443h
Progress in the ROP of -caprolactone and L-lactide based on divalent metal magnesium are presented in a systematic manner according to the structure and properties of the ancillary ligands.
Vanadium-induced formation of thiadiazole and thiazoline compounds. Mononuclear and dinuclear oxovanadium(V) complexes with open-chain and cyclized thiosemicarbazone ligands
Mirta Rubi
, Dalibor Mili, Gordan Horvat, Ivica 
ilovi, Nives Gali, Vladislav Tomi
i and Marina Cindri,
Dalton Trans., 2009, 9914
DOI: 10.1039/b913653c
Reactions of the salicylaldehyde 4-phenylthiosemicarbazone with assorted vanadium(IV) and vanadium(V) precursors were investigated. The time course of reactions in solution was followed by UV-Vis and ESMS spectrometries.
Octanuclear manganese(II,III) clusters stabilized with diamino-alcoxo ligands
Albert Escuer, Ramon Vicente, M. Salah El Fallah, E. Carolina Sańudo, Simon J. Teat, Fabrizia Fabrizi de Biani and Piero Zanello,
Dalton Trans., 2009, 9924
DOI: 10.1039/b909371k
1,3-bis(dimethylamino)-2-propanolate has provided the first example of high nuclearity manganese-diamino-alcoxo derivatives. Series of octanuclear systems have been characterized by structural and magnetochemical methods.
First examples of homo-/heteroleptic bi-/tri-nuclear complexes containing 5-ferrocenyldipyrromethene
Mahendra Yadav, Prashant Kumar, Ashish Kumar Singh, Joan Ribas and Daya Shankar Pandey,
Dalton Trans., 2009, 9929
DOI: 10.1039/b914215k
The first examples of homo- and heteroleptic complexes containing 5-ferrocenyldipyrromethene (fcdpm) [Cu(fcdpm)2] ( 1) [Cu(fcdpm)(acac)] ( 2), [Ni(fcdpm)(acac)] ( 3) and [Zn(fcdpm)2] ( 4) (acac = acetylacetonato) are described.
Back cover
Dalton Trans., 2009, 9935
DOI: 10.1039/b921879n
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