Dalton Transactions

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A new air-stable zinc complex based on a 1,2-phenylene-diimino-2-cyanoacrylate ligand as an efficient catalyst of the epoxide-CO2 coupling

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2344-2347
DOI: 10.1039/C3DT52927D, CommunicationM. A. Fuchs, S. Staudt, C. Altesleben, O. Walter, T. A. Zevaco, E. Dinjus
A zinc complex with a N2O2 ligand is a very efficient catalyst in the conversion of epoxides with CO2 to organic carbonates.
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Direct functionalization of unactivated C-H bonds catalyzed by group 3-5 metal alkyl complexes

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2331-2343
DOI: 10.1039/C3DT52758A, PerspectiveHayato Tsurugi, Koji Yamamoto, Haruki Nagae, Hiroshi Kaneko, Kazushi Mashima
We reviewed recent achievements in catalytic C-C and C-Si bond forming reactions through C-H bond activation by group 3-5 metal complexes.
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p-Tolylimido rhenium(V) complexes - synthesis, X-ray studies, spectroscopic characterization, DFT calculations and catalytic activity

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2596-2610
DOI: 10.1039/C3DT52528G, PaperBarbara Machura, Izabela Gryca, Jan Grzegorz Malecki, Francisco Alonso, Yanina Moglie
Novel p-tolylimido rhenium(V) complexes have been synthesized, fully characterized, subjected to DFT calculations, and their catalytic activity studied in the synthesis of N-substituted glycine esters from ethyl diazoacetate and amines.
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Complexation of Cm(III) and Eu(III) with CyMe4-BTPhen and CyMe4-BTBP studied by time resolved laser fluorescence spectroscopy

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2684-2694
DOI: 10.1039/C3DT52204K, PaperAntje Bremer, Daniel M. Whittaker, Clint A. Sharrad, Andreas Geist, Petra J. Panak
The complexation of Cm(III) and Eu(III) with the N-donor extractants CyMe4-BTPhen and CyMe4-BTBP was investigated by TRLFS and conditional stability constants for the 1 : 2 complexes were determined.
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Synthesis of a nanocomposite composed of reduced graphene oxide and gold nanoparticles

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2670-2675
DOI: 10.1039/C3DT52573B, PaperHenan Zhang, Deon Hines, Daniel L. Akins
Schematic representation of the mechanism of formation of Au nanoparticles on the surface of rGO by a seeded-growth method.
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Protecting the triplet excited state in sterically congested platinum porphyrin

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2676-2683
DOI: 10.1039/C3DT52926F, PaperA. G. Moiseev, E. A. Margulies, J. A. Schneider, F. Belanger-Gariepy, D. F. Perepichka
Comparative studies of platinum tetrakis(2,4,6-triethyl)phenyl porphyrin (Pt-1) and its unsubstituted analog PtTPP show the effect of sterically congesting ortho-substituents on the dynamics of the triplet excited states.
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Thermodynamic stability of La2Mo2-yWyO9, La2Mo2-yWyO8.96+0.02y and La7Mo7(2-y)/2W7y/2O30 (y = 0, 0.5 and 1.0)

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2661-2669
DOI: 10.1039/C3DT52174E, PaperJesus E. Vega-Castillo, Uday K. Ravella, Gwenael Corbel, Philippe Lacorre, Alberto Caneiro
Conductivity as a function of temperature for ceramics La2Mo2-yWyO9 in air and La2Mo2-yWyO8.96+0.02y in Ar-H2-H2O with y = 0, 0.5 and 1.0.
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Isomeric thiophene-fused benzocarborane molecules-different lithium doping effect on the nonlinear optical property

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2656-2660
DOI: 10.1039/C3DT52923A, PaperYong Li, Hong-Liang Xu, Heng-Qing Wu, Rong-Lin Zhong, Shi-Ling Sun, Zhong-Min Su
Natural bond orbital analysis showed that after doping one Li atom into two isomeric thiophene-fused benzocarborane derivatives the electrons transferred to different regions. Charge distribution was found to be a crucial factor influencing the static first hyperpolarizabilities.
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Efficient single-strand cleavage of DNA mediated by a MnIIIMnIV-based artificial nuclease

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2646-2655
DOI: 10.1039/C3DT51904J, PaperJing Qian, Shasha Yu, Wenjun Wang, Liping Wang, Jinlei Tian, Shiping Yan
Our work provides a diamond core MnIV unit, showing a strikingly similar active site structure of natural nuclease, and characterized it in aqueous solution as a hydrolytic nuclease.
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Phenanthroline ligands are biologically more active than their corresponding ruthenium(II) arene complexes

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2629-2645
DOI: 10.1039/C3DT52743C, PaperJesus Valladolid, Carlos Hortiguela, Natalia Busto, Gustavo Espino, Ana M. Rodriguez, Jose M. Leal, Felix A. Jalon, Blanca R. Manzano, Arancha Carbayo, Begona Garcia
1,10-Phenanthroline-5-amine (aphen) is more cytotoxic than the corresponding Ru(II) arene complex, in agreement with the respective binding constants to DNA.
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Crystal structure and photoluminescence of two europium compounds with phenoxyacetic acid and 2,4,6-tri(2-pyridyl)-s-triazine

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2620-2628
DOI: 10.1039/C3DT53068J, PaperAiling Wang, Xiaoyan Wei, Haixia Zhang, Bin Yue, Yanrong Qu, Jie Kang, Zhongxia Wang, Haibin Chu, Yongliang Zhao
Two europium crystals with HPOA and TPTZ were prepared and the heteronuclear compound exhibits superior luminescence properties compared to the homonuclear one.
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Facile preparation and characterization of BiOI-rectorite composite with high adsorptive capacity and photocatalytic activity

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2611-2619
DOI: 10.1039/C3DT52885E, PaperShuxing Wu, Jianzhang Fang, Xiaoting Hong, K. S. Hui, Yunfang Chen
Rectorite was composited with BiOI to extend its applicability as an applied material with high adsorptive capacity and photocatalytic activity.
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Design and self-assembly of variform organometallic macrocycle with terminal imidazole-based bridging ligands utilizing joints twist and rotation

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2356-2360
DOI: 10.1039/C3DT52724G, CommunicationTong Wu, Yue-Jian Lin, Guo-Xin Jin
U-type ligand L2 based on terminal imidazolyl groups can twiddle and twist in a large margin. Cation 3b can be synthesized with narrow spacer BiBzIm as the closed-mode; 4b can be obtained with pillar shape tetraacetylethane as the open-mode filled by anions.
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Monodisperse magnetic core/shell microspheres with Pd nanoparticles-incorporated-carbon shells

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2588-2595
DOI: 10.1039/C3DT51478A, PaperQunling Fang, Qing Cheng, Huajian Xu, Shouhu Xuan
A novel in situ carbonization method was developed to synthesize monodispersed magnetic core/shell microspheres with Pd nanoparticle incorporated carbon shells, which could be well dispersed in both polar and non-polar solvents.
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Series of edge-sharing bi-triangle Ln4 clusters with a [small mu ]4-NO3- bridge: syntheses, structures, luminescence, and the SMM behavior of the Dy4 analogue

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2581-2587
DOI: 10.1039/C3DT52316K, PaperHua-Hong Zou, Rong Wang, Zi-Lu Chen, Dong-Cheng Liu, Fu-Pei Liang
Series of Ln4 clusters have been obtained, and Dy4 exhibits SMM behaviour with an anisotropic energy barrier of 28 K.
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Two new bismuth thiourea bromides: crystal structure, growth, and characterization

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2577-2580
DOI: 10.1039/C3DT52953C, PaperMing Li, R. K. Li
Crystals of two different structures are obtained by the same starting reactants and the only control parameter is the pH value.
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Carbohydrate linked organotin(IV) complexes as human topoisomerase I[small alpha] inhibitor and their antiproliferative effects against the human carcinoma cell line

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2534-2548
DOI: 10.1039/C3DT51973B, PaperRais Ahmad Khan, Shipra Yadav, Zahid Hussain, Farukh Arjmand, Sartaj Tabassum
Dimethyltin(IV) complexes with ethanolamine (1) and biologically significant N-glycosides (2 and 3) were designed and synthesized.
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Kinetic and mechanistic studies of 1,3-bis(2-pyridylimino)isoindolate Pt(II) derivatives. Experimental and new computational approach

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2549-2558
DOI: 10.1039/C3DT52272E, PaperIsaac M. Wekesa, Deogratius Jaganyi
The reactivity of Pt(II) complexes with a common bis(pyridylimino)3,4-pyrrolate ligand backbone is systematically tuned by successive addition of phenyl rings (benzannulation) on the ligand framework. The results show unusual decrease in electrophilicity indices ([small omega]) with increase in extended [small pi]-conjugation.
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A novel copper(II) complex as a nitric oxide turn-on fluorosensor: intracellular applications and DFT calculation

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2566-2576
DOI: 10.1039/C3DT52521J, PaperRabiul Alam, Tarun Mistri, Pallab Mondal, Dipankar Das, Sushil Kumar Mandal, Anisur Rahman Khuda-Bukhsh, Mahammad Ali
A Cu2+ complex of a dansyl-based sensor L2 behaves like a turn-on NO sensor with potential for intracellular applications. The ground state geometries of L2 and 1 were optimized by DFT calculations.
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Co6([small mu ]3-OH)6 cluster based coordination polymer as an effective heterogeneous catalyst for aerobic epoxidation of alkenes

20 January, 2014 - 23:54

Dalton Trans., 2014, 43,2559-2565
DOI: 10.1039/C3DT52562G, PaperJunkuo Gao, Linlu Bai, Qian Zhang, Yongxin Li, Ganguly Rakesh, Jong-Min Lee, Yanhui Yang, Qichun Zhang
A new hexaprismane Co(II)6([small mu ]3-OH)6 cluster-based coordination polymer showed excellent activity and selectivity in the aerobic epoxidation of alkenes.
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