Dalton Transactions

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Design and development of POCN-pincer palladium catalysts for C-H bond arylation of azoles with aryl iodides

27 August, 2014 - 07:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01547A, PaperShrikant M Khake, Vineeta Soni, Rajesh Gonnade, BENUDHAR PUNJI
The well-defined and efficient POCN-ligated palladium complexes have been developed for direct C‒H bond arylation of azoles with aryl iodides. The phosphinite-amine pincer ligands 1-(R2PO)-C6H4-3-(CH2NiPr2), (R2POCNiPr2‒H) (R = iPr, 1a;...
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Avoiding problem reactions at the ferrocenyl-alkyne motif: a convenient synthesis of model, redox-active complexes for molecular electronics

27 August, 2014 - 07:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02359E, CommunicationMichael Stephen Inkpen, Andrew J P White, T. Albrecht, Nicholas J Long
A much improved route to 1,1'-bis(arylethynyl)ferrocenes comprising accessible thiolates on the aryl ring is reported. Unanticipated reactions between AcCl, TBAF/BBr3 and ferrocenyl-alkynes are also discussed, offering a rationale for previous...
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A Selective Fluoride Sensor and a digital processor with "Write-Read-Erase-Read" behaviour

27 August, 2014 - 07:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02093F, CommunicationBasant Kumar, Masood Ayoub Kaloo, Adiki Raja Sekhar, Sankar Jeyaraman
An easy-to-synthesize Schiff base as a selective and Colorimetric fluoride sensor via modulation of Intramolecular Charge Transfer (ICT) has been demonstrated. A typical dual-ion binding property along with its distinct...
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Tuning of the Dimensionality from Complex to 3D-Framework by Thermal Conversion in the System Fe/Cl/piperazine

27 August, 2014 - 07:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01987C, PaperFabian Schonfeld, Raphael Wirthensohn, Hans-Christian Schmitt, Philipp Constantinidis, Ingo Fischer, Klaus Muller-Buschbaum
An attempt on control of the three structural features linkage, structural dimensionality and coordination mode is presented for the combination of FeII and FeIII chlorides together with the ditopic ligand...
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The preparation and structure of Ge3F8 - a new mixed-valence fluoride of germanium, a convenient source of GeF2

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02265C, CommunicationAndrew L. Hector, Andrew Jolleys, William Levason, David Pugh, Gillian Reid
Ge3F8, the missing member of the series of mixed valence fluorides (GeF2)n[middle dot]GeF4, has been obtained by heating GeF4 with Ge. Sublimation of (GeF2)n[middle dot]GeF4 in vacuo provides a convenient source of GeF2.
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Unexpected metal ion-assisted transformations leading to unexplored bridging ligands in NiII coordination chemistry: the case of PO3F2- group

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02204A, CommunicationDespina Dermitzaki, Catherine P. Raptopoulou, Vassilis Psycharis, Albert Escuer, Spyros P. Perlepes, Theocharis C. Stamatatos
The bridging potency of the O-rich PO3F2- group in NiII/oximate chemistry has been studied leading to interesting coordination compounds and revealing an unprecedented PO3F2- to P2O5F22- in situ transformation.
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An iron(II) complex featuring [small kappa]3 and labile [small kappa]2-bound PNP pincer ligands - striking differences between CH2 and NH spacers

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01933D, CommunicationBernhard Bichler, Mathias Glatz, Berthold Stoger, Kurt Mereiter, Luis F. Veiros, Karl Kirchner
By changing the spacer between the pyridine and the PPh2 unit from CH2 to NH the cationic octahedral complex [Fe([small kappa]3-P,N,P-PNP)([small kappa]2-P,N-PNP)Cl]+ featuring a [small kappa]2-P,N bound PNP ligand instead of [Fe([small kappa]3-P,N,P-PNP)Cl2] is formed when FeCl2 is reacted with a PNP-Ph ligand.
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Synthesis of peroxo-titanium decorated H-titanate-nanotube-based hierarchical microspheres with enhanced visible-light photocatalytic activity in degradation of Rhodamine B

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01654H, CommunicationYong Qiu, Xinjun Li
Peroxo-titanium decorated H-titanate-nanotube-based hierarchical microspheres were prepared by a hydrothermal method, and they exhibited enhanced visible-light activity.
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The energetics of isomerisation in Keggin-series aluminate cations

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01763C, CommunicationC. Andre Ohlin, James R. Rustad, William H. Casey
The energetics of the Keggin isomers of the trideca-aluminate ion and their interconversion via cap rotation is investigated using DFT.
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Synthesis and reactivity of coordinatively unsaturated halocarbonyl molybdenum PNP pincer complexes

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01932F, PaperSara R. M. M. de Aguiar, Ozgur Oztopcu, Berthold Stoger, Kurt Mereiter, Luis F. Veiros, Ernst Pittenauer, Gunter Allmaier, Karl Kirchner
A series of six-coordinate neutral 16e halocarbonyl Mo(II) complexes of the type [Mo(PNPMe-iPr)(CO)X2] (X = I, Br, Cl) were prepared and fully characterized.
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DNA fragment conformations in adducts with Kiteplatin

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01796J, PaperNicola Margiotta, Emanuele Petruzzella, James A. Platts, Shaun T. Mutter, Robert J. Deeth, Rosa Ranaldo, Paride Papadia, Patricia A. Marzilli, Luigi G. Marzilli, James D. Hoeschele, Giovanni Natile
The anticancer-active platinum complex with cis-1,4-diaminocyclohexane has proved to be very valuable in detecting multiple conformers in adducts with oligonucleotides.
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Direct synthesis of the Janus-head ligand (MePy)3Sn-Sn(MePy)3 using an unusual pyridyl-transfer reaction (MePy = 6-methyl-2-pyridyl)

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02216E, CommunicationRaul Garcia-Rodriguez, Dominic S. Wright
The in situ reaction of the tripodal anion [EtAl(MePy)3]- (MePy = 6-Me-2-py) with SnCl2 gives the Janus-head ligand (MePy)3Sn-Sn(MePy)3, containing a Sn-Sn bond, through a novel, one-pot reaction involving a combination of pyridyl transfer and metal-oxidation.
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Synthesis, spectroscopic and electrochemical studies of phosphoryl and carbomethoxyphenyl substituted corroles, and their anion detection properties

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01853B, PaperPinky Yadav, Muniappan Sankar
Electron deficient triphosphoryl and tricarbomethoxycorroles were synthesized and utilized as sensors for basic anions such as F-, CH3COO- and H2PO4- ions with very low detection limits (0.04-0.06 [small mu ]M).
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On the origin of the spontaneous formation of nanocavities in hexagonal bronzes (W,V)O3

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01465K, PaperE. Garcia-Gonzalez, M. D. Soriano, E. Urones-Garrote, J. M. Lopez Nieto
The synthesis route followed to prepare h-WO3 type oxides results in the production of nanostructured crystals by the spontaneous formation of self-assembled and regular nano-cavities on their surface.
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Ultraslow recombination in AOT-capped TiO2 nanoparticles sensitized by protoporphyrin IX

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01926A, PaperSudipta Biswas, Swati De, Arunkumar Kathiravan
Electron transfer from an excited PPIX dye to the conduction band of surfactant capped TiO2.
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Discriminate sensing of pyrophosphate using a new tripodal tetramine-based dinuclear Zn(II) complex under an indicator displacement assay approach

27 August, 2014 - 07:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C3DT52392F, PaperSarayut Watchasit, Pattira Suktanarak, Chomchai Suksai, Vithaya Ruangpornvisuti, Thawatchai Tuntulani
The tripodal tetramine dinuclear Zn(II) complex, Zn2L, was used to discriminate PPi from other phosphate containing anions under an indicator displacement assay using a methylthymol blue indicator.
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Loop Shaped Dicarboxylate-bridged Dimolybdenum(II) Bisphosphine Compounds - a Rational Synthesis

25 August, 2014 - 06:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01560F, PaperDominik Hohne, Eberhardt Herdtweck, Alexander Pothig, Fritz E. Kuhn
The reaction of the tetrametallic molecular loop [(CH3CN)6Mo2(OOC-C4H6-COO)]2[BF4]4 (1) (1 equiv.) with 2 equiv. of bis(diphenylphosphino)amine (dppa), 1,2-bis(diphenylphosphino)ethane (dppe) and bis(diphenylphosphino)methane (dppm) in propionitrile leads to the formation of the...
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Co-molten solvothermal method for synthesizing chalcopyrite CuFe1-xCrxS2 (x [less-than-or-equal] 0.4): high photocatalytic activity for nitrate ions reduction

25 August, 2014 - 06:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02008A, PaperJia Yang, Mufei Yue, Jing Ju, Rihong Cong, Gao Wenliang, Tao Yang
In literature, it is very difficult to obtain sulfides with Cr3+ in tetrahedral coordination. Here, a thiourea-oxalic acid co-molten solvothermal method was applied to synthesize chalcopyrite CuFe1-xCrxS2 (x [less-than-or-equal] 0.4)...
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Tris(hydroxymethyl)aminomethane Modified Layered Double Hydroxides Largely Facilitate Polyoxometalate Intercalation

25 August, 2014 - 06:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01827C, PaperYu-Fei Song, Yang Chen, Dongpeng Yan
Polyoxometalates (POMs) intercalation to layered double hydroxides (LDHs) has been greatly restricted by the geometry, charge and size of POMs. We report herein, for the first time, the intercalation of...
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Isomerization Initiated by Photoinduced Ligand Dissociation in Ru(II) Complexes with the Ligand 2-p-tolylpyridinecarboxaldimine

25 August, 2014 - 06:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02016B, PaperBryan Albani, Christopher B Durr, Bruno Pena, K Dunbar, Claudia Turro
The excited state reactivity of Ru(II) complexes continues to be a topic of intense investigation because of their widespread use in applications related to solar energy conversion, as photoswitches, and...
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