Dalton Transactions

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Hunting the human DPP III active conformation: combined thermodynamic and QM/MM calculations

12 September, 2014 - 11:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02003K, PaperAntonija Tomic, Sanja Tomic
It was found that the DPP III active conformation is the compact one. The substrate should be able to form the [small beta]-strand secondary structure.
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Positional isomeric tunable two Co(II) 6-connected 3-D frameworks with pentanuclear to binuclear units: structures, ion-exchange and magnetic properties

12 September, 2014 - 11:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01086H, PaperMin-Le Han, Ya-Ping Duan, Dong-Sheng Li, Hai-Bin Wang, Jun Zhao, Yao-Yu Wang
{[Co5([small mu ]3-OH)2(m-pda)3(bix)4][middle dot]2ClO4}n (1) has the pcu open cationic framework with pentanuclear units while {[Co2(p-pda)2(bix)2(H2O)][middle dot]H2O}n (2) is the first msw framework based on binuclear units.
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Formation of bis(2-pyridylcarbonyl)aminate by oxidation of ethylbis(2-pyridylmethyl)amine on the trichloridoruthenium(III) complex

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01842G, PaperHirotaka Nagao, Naoto Shimura, Haruka Yonezawa
Oxidation of the facial-type trichloridoruthenium(III) complex bearing ethylbis(2-pyridylmethyl)amine (ebpma), fac-[RuIIICl3(ebpma)], with (NH4)2[CeIV(NO3)6] in acetonitrile afforded a ruthenium(III) complex having bis(2-pyridylcarbonyl)aminato (bpca), [RuIIICl2(NCCH3)(bpca)]. The bpca moiety showed interactions with cations such as protons.
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Fusion of photodynamic therapy and photoactivated chemotherapy: a novel Ru(II) arene complex with dual activities of photobinding and photocleavage toward DNA

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01755B, PaperYongjie Chen, Wanhua Lei, Guoyu Jiang, Yuanjun Hou, Chao Li, Baowen Zhang, Qianxiong Zhou, Xuesong Wang
A Ru(II) arene complex displays DNA binding, DNA cleavage, and fluorescence imaging upon visible light illumination.
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Synthesis and photoinduced electron transfer in platinum(II) bis(N-(4-ethynylphenyl)carbazole)bipyridine fullerene complexes

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01397B, PaperSai-Ho Lee, Chris Tsz-Leung Chan, Keith Man-Chung Wong, Wai Han Lam, Wai-Ming Kwok, Vivian Wing-Wah Yam
Photoinduced electron transfer reactions in platinum(II) donor-chromophore-acceptor triads were investigated in detail by transient absorption spectroscopy.
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Synthesis, structure and catalytic activity of a gold(I) complex containing 1,2-bis(diphenylphosphino)benzene monoxide

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02116A, PaperChristine Hahn, Leticia Cruz, Amanda Villalobos, Liliana Garza, Samuel Adeosun
A bisphosphine monoxide gold(I) complex, synthesized by a new protocol, is a highly active catalyst for the hydroarylation of ethylpropiolate.
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Dihaloborenium cations stabilized by a four-membered N-heterocyclic carbene: electron deficiency compensation by asymmetric structural changes

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01210K, CommunicationMadelyn Qin Yi Tay, Balasubramanian Murugesapandian, Yunpeng Lu, Rakesh Ganguly, Kinjo Rei, Dragoslav Vidovic
Coordination of the four membered carbene ligand to electron deficient dihaloborenium moieties has resulted in asymmetric structural changes for the ligand's CN2P cyclic fragment.
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Significantly enhanced dehydrogenation properties of calcium borohydride combined with urea

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01355G, CommunicationHailiang Chu, Shujun Qiu, Lin Liu, Yongjin Zou, Cuili Xiang, Huanzhi Zhang, Fen Xu, Lixian Sun, Huaiying Zhou, Guotao Wu
The Ca(BH4)2-4CO(NH2)2 system can release 8 equiv. or 5.2 wt% H2 at 250 [degree]C through a reaction between [BH4] and [NH2].
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Synthesis and physical properties of layered BaxCoO2

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01674B, PaperJinfeng Liu, Xiangyang Huang, Danfeng Yang, Guisheng Xu, Lidong Chen
A layered cobaltite BaxCoO2 (x = 0.19, 0.28, 0.30, 0.33) was synthesized by an ion exchange technique from the layered NaxCoO2 precursors.
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Layered V-B-O polyoxometalate nets linked by diethylenetriamine complexes with dangling amine groups

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01533A, CommunicationHong Chen, Yunfeng Zhang, Zheng-Bao Yu, Junliang Sun
Dangling amine groups were found in the diethylenetriamine (DETA) metal complexes, which worked as linkers in the construction of two-dimensional V-B-O polyoxometalate.
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Avoiding problem reactions at the ferrocenyl-alkyne motif: a convenient synthesis of model, redox-active complexes for molecular electronics

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02359E, CommunicationMichael S. Inkpen, Andrew J. P. White, Tim Albrecht, Nicholas J. Long
A much improved route to 1,1[prime or minute]-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 synthetic difficulties.
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Tuning of the dimensional linkage from the complex to the framework by thermal conversion in the system Fe/Cl/piperazine

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01987C, PaperF. Schonfeld, R. Wirthensohn, H.-C. Schmitt, P. Constantinidis, I. Fischer, K. Muller-Buschbaum
An attempt to control 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 piperazine (pipz).
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Loop shaped dicarboxylate-bridged dimolybdenum(II) bisphosphine compounds - a rational synthesis

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01560F, PaperDominik Hohne, Eberhardt Herdtweck, Alexander Pothig, Fritz E. Kuhn
Starting from a loop shaped mixed carboxylate/acetonitrile ligated tetrametallic structure three novel bisphosphine-substituted dimolybdenum(II) coordination compounds can be synthesized, maintaining the original structural motif.
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Co-molten solvothermal method for synthesizing chalcopyrite CuFe1-xCrxS2 (x [less-than-or-equal] 0.4): high photocatalytic activity for the reduction of nitrate ions

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02008A, PaperJia Yang, Mufei Yue, Jing Ju, Rihong Cong, Wenliang Gao, Tao Yang
CuFe1-xCrxS2 prepared by a thiourea-oxalic acid co-molten solvothermal method show superior UV-light photocatalytic activities toward nitrate ions reduction.
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Study of picosecond processes of an intercalated dipyridophenazine Cr(III) complex bound to defined sequence DNAs using transient absorption and time-resolved infrared methods

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01989J, CommunicationStephen J. Devereux, Paraic M. Keane, Suni Vasudevan, Igor V. Sazanovich, Michael Towrie, Qian Cao, Xue-Zhong Sun, Michael W. George, Christine J. Cardin, Noel A. P. Kane-Maguire, John M. Kelly, Susan J. Quinn
Excited-state quenching of DNA intercalated [Cr(phen)2(dppz)]3+ by guanine proceeds by rapid forward and back electron transfer of <3 ps.
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Azobenzene-functionalized iridium(III) triscyclometalated complexes

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02018A, PaperJ. Perez-Miqueo, A. Telleria, M. Munoz-Olasagasti, A. Altube, E. Garcia-Lecina, A. de Cozar, Z. Freixa
Photochromic triscyclometalated iridium(III) organometallic complexes based on azobenzene-containing phenylpyridyl-type ligands.
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Electrode reactions of iron oxide-hydroxide colloids

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02040E, PaperLeila Mahmoudi, Reinhard Kissner
FeO(OH) colloids adsorb spontaneously on conductors and undergo three subsequent voltammetric reductions.
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A new family of diamagnetic macrocyclic Fe(II) compounds exhibiting the LIESST effect at high temperatures

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01837K, PaperHongfeng Wang, Cedric Desplanches, Philippe Dagault, Jean-Francois Letard
The photomagnetic properties of a new Fe(II) macrocyclic family [Fe(LxyzN5)(CN)2][middle dot]nH2O have been investigated. These compounds are diamagnetic below 400 K and present high T(LIESST) values above 100 K.
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Picosecond time-resolved infrared spectroscopy of rhodium and iridium azides

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02097A, PaperPeter Portius, Anthony J. H. M. Meijer, Michael Towrie, Benjamin F. Crozier, Ingrid Schiager
Ultrafast photochemical processes induced in the transition metal azido complexes Rh(Cp*)(N3)2(PPh3) and Ir(Cp*)(N3)2(PPh3) upon laser excitation at 266 nm and 400 nm were elucidated by picosecond time-resolved infrared spectroscopy and density functional theory.
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A triple-bridged azido-Cu(II) chain compound fine-tuned by mixed carboxylate/ethanol linkers displays slow-relaxation and ferromagnetic order: synthesis, crystal structure, magnetic properties and DFT calculations

10 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02195A, PaperXiangyu Liu, Sanping Chen, Thais Grancha, Emilio Pardo, Hongshan Ke, Bing Yin, Qing Wei, Gang Xie, Shengli Gao
A triple-bridged azido-Cu(II) compound has been synthesized and magnetically characterized.
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