Dalton Transactions

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Helicene-like Chiral Auxiliaries in Asymmetric Catalysis

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01935K, Perspectiveangela marinetti, Paul Aillard, Arnaud Voituriez
This literature overview demonstrates that helically chiral ligands and organocatalysts have been largely neglected so far. However, a few recent studies on helical pyridine, the corresponding ammonium salts and N-oxides...
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Cu (II) complex of imidazolium based ionic liquid: synthesis, X-ray structure and application in selective electrochemical sensing of guanine

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01759E, PaperAmanpreet Singh, Ajnesh Singh, Narinder Singh
An imidazolium based ionic liquid containing carboxylic acid group was synthesized and complexed with Cu (II). The resulting complex R1 was fully characterized using various techniques like IR spectroscopy, CHN...
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Mechanistic Investigation of the Cleavage of Phosphodiester Catalyzed by a Symmetrical Oxyimine-Based Macrocyclic Dinuclear Zinc Complex: A DFT Study

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01491J, PaperXuepeng Zhang, Xiaowei Zheng, David Phillips, Cunyuan Zhao
Density functional theory (DFT) was utilized to investigate the hydrolysis reaction mechanisms of phosphodiester BNPP (BNPP = bis (4-nitrophenyl) phosphate) catalyzed by a symmetrical oxyimine-based macrocyclic dinuclear zinc(II) complex. We...
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Ammonium- and phosphonium-based temperature control-type polyoxometalate ionic liquids

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01146E, PaperYunyan Li, Xuefei Wu, Qingyin Wu, Hong Ding, Wenfu Yan
Ammonium- and phosphonium-based polyoxometalate ionic liquids have been synthesized and characterized. They are temperature control-type polyoxometalate ionic liquids and can exhibit a phase transformation below 100 [degree]C.
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Selective complexation of [small alpha]-amino acids and simple peptides via their carboxylate groups

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02007C, PaperRoland Schnitter, Daniel Gallego, Berthold Kersting
In contrast to other NiII amino carboxylato or peptide complexes which typically contain five membered NO or NN chelate rings, the macrocyclic complex [Ni2L([small mu ]-Cl)]+ with its cleft-like structure enables a selective carboxylate coordination. The encapsulation of the biomolecules prevents the formation of intermolecular hydrogen bonding interactions, which in turn affects their structures and solubilities.
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Peraurated nickel carbide carbonyl clusters: the cationic [Ni6(C)(CO)8(AuPPh3)8]2+ monocarbide and the [Ni12(C)(C2)(CO)17(AuPPh3)3]- anion containing one carbide and one acetylide unit

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01849D, CommunicationMarco Bortoluzzi, Iacopo Ciabatti, Cristina Femoni, Mohammad Hayatifar, Maria Carmela Iapalucci, Giuliano Longoni, Stefano Zacchini
The first molecular carbonyl cluster containing one carbide atom and one C2-unit displaying sub-van der Waals contacts is reported.
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Impact of constitutional isomerism on phosphorescence and anion-sensing properties of donor-acceptor organoboron Pt(II) complexes

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01949K, PaperMei-Ni Belzile, Xiang Wang, Zachary M. Hudson, Suning Wang
A pair of donor-acceptor constitutional isomers of N[logical and]C-chelated Pt(II) compounds has been found to display distinct phosphorescence and contrasting response toward fluoride ions.
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Formation and structure of two luminescent salts of [Au(SCSN3)2]- obtained through the [2 + 3] cyclization of carbon disulfide and azide ion

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01902D, PaperSang Ho Lim, Jennifer C. Schmitt, Jason Shearer, Kellie R. England, Marilyn M. Olmstead, Alan L. Balch
The salts, [(H2O)3Na][Au(SCSN3)2] and (Ph4As)[Au(SCSN3)2] contain anions that associate through aurophilic interactions and adopt an unusual eclipsed arrangement of the ligands as seen in the illustration.
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Carbene based photochemical molecular assemblies for solar driven hydrogen generation

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01546K, PaperKatrin Peuntinger, T. David Pilz, Robert Staehle, Markus Schaub, Simon Kaufhold, Lydia Petermann, Markus Wunderlin, Helmar Gorls, Frank W. Heinemann, Jing Li, Thomas Drewello, Johannes G. Vos, Dirk M. Guldi, Sven Rau
Novel binuclear photocatalysts with bridging ligands on NHC basis have been synthesized, characterized and applied as photocatalysts.
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Exfoliation of one-dimensional TiO5 chain in K2TiO3

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01891E, PaperYuji Masubuchi, Ryo Miyazaki, Hiroki Kikuchi, Teruki Motohashi, Shinichi Kikkawa
Potassium titanate, K2TiO3, was exfoliated in acid solution, and Tyndall scattering due to the colloid formation was observed.
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New heterometallic Ir(III)2-Eu(III) complexes: white light emission from a single molecule

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01910E, CommunicationAndrea Baschieri, Sara Muzzioli, Elia Matteucci, Stefano Stagni, Massimiliano Massi, Letizia Sambri
Pure white light emission from a single-molecule Ir2(III)-Eu(III) complex can be achieved with appropriate ligands.
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CoMn2O4 hierarchical microspheres with high catalytic activity towards p-nitrophenol reduction

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01686F, PaperXiaohui Shi, Fangcai Zheng, Nan Yan, Qianwang Chen
The CoMn2O4 hierarchical microspheres assembled by nanosheets were first used as catalysts for the reduction of p-nitrophenol to p-aminophenol.
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Bamboo leaf-assisted formation of carbon/nitrogen co-doped anatase TiO2 modified with silver and graphitic carbon nitride: novel and green synthesis and cooperative photocatalytic activity

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02101K, PaperZhifeng Jiang, Dong Liu, Deli Jiang, Wei Wei, Kun Qian, Min Chen, Jimin Xie
We have hybridized a ternary system (Ag/CN-TiO2@g-C3N4) via a facile, low-cost, one-step synthesis strategy for the first time without using chemical reagents as C/N sources or employing a toxic reducing agent.
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In situ synthesis of uniform Fe2O3/BiOCl p/n heterojunctions and improved photodegradation properties for mixture dyes

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01999G, PaperNa Li, Xia Hua, Kai Wang, Yujian Jin, Jingjing Xu, Mindong Chen, Fei Teng
Uniform Fe2O3/BiOCl p/n heterojunctions are synthesized by an in situ hydrolysis method, whose degradation rates are four times higher than that of the bare BiOCl.
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Cationic iridium(III) complexes bearing ancillary 2,5-dipyridyl(pyrazine) (2,5-dpp) and 2,2[prime or minute]:5[prime or minute],2[prime or minute][prime or minute]-terpyridine (2,5-tpy) ligands: synthesis, optoelectronic characterization and light-emittin

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02100B, PaperKamrul Hasan, Loic Donato, Yulong Shen, Jason D. Slinker, Eli Zysman-Colman
Four green to deep red emitting cationic iridium(III) complexes are reported as emitters for LEECs.
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Ethyleneglycol tungsten complexes of calix[6 and 8]arenes: synthesis, characterization and ROP of [varepsilon]-caprolactone

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01936A, PaperYuanzhuo Li, Ke-Qing Zhao, Chun Feng, Mark R. J. Elsegood, Timothy J. Prior, Xinsen Sun, Carl Redshaw
Ethylene glycolate tungsten complexes bearing calix[n]arene ligands (n = 6, 8) have been structurally characterized and exhibit catalytic activity for the ROP of [varepsilon]-caprolactone in the presence of benzyl alcohol.
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New members of fluorescent 1,8-naphthyridine-based BF2 compounds: selective binding of BF2 with terminal bidentate N^N^O and N^C^O groups and tunable spectroscopy properties

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01735H, PaperMei-Ling Du, Chun-Yan Hu, Liu-Fang Wang, Cong Li, Yang-Yang Han, Xin Gan, Yong Chen, Wei-Hua Mu, Michael L. Huang, Wen-Fu Fu
Selective binding of the BF2 core with N^N(C)^O groups of 1,8-naphthyridine-based compounds produces complexes with tunable absorption and luminescence properties.
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Experimental determination of redox cooperativity and electronic structures in catalytically active Cu-Fe and Zn-Fe heterobimetallic complexes

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01841A, PaperMalkanthi K. Karunananda, Francisco X. Vazquez, E. Ercan Alp, Wenli Bi, Soma Chattopadhyay, Tomohiro Shibata, Neal P. Mankad
Mossbauer and XANES analyses were used to examine metal-metal bonding and redox cooperativity in catalytically active Cu-Fe and Zn-Fe complexes.
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Synthesis and structural investigation of R2Si (R = Me, Ph) bridged di-N-heterocyclic carbenes

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01681E, PaperRajendra S. Ghadwal, Sven O. Reichmann, Elena Carl, Regine Herbst-Irmer
Silyl-functionalized di-N-heterocyclic carbenes are readily available on treatment of a lithiated NHC with a dichlorosilane. A copper complex of a Di-NHC is shown.
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Ruthenium, osmium and rhodium complexes of 1,4-diaryl 1,4-diazabutadiene: radical versus non-radical states

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01241K, PaperSarat Chandra Patra, Amit Saha Roy, Vadivelu Manivannan, Thomas Weyhermuller, Prasanta Ghosh
Molecular and electronic structures of the ruthenium, osmium and rhodium complexes of 1,4-di(3-nitrophenyl)-1,4-diazabutadiene (LDAB) and their redox series are reported.
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