Royal Society of Chemistry

Reactivity of kiteplatin with S-donor biomolecules and nucleotides

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12851-12859
DOI: 10.1039/C4DT01474J, PaperEmanuele Petruzzella, Nicola Margiotta, Giovanni Natile, James D. Hoeschele
Interaction of kiteplatin with S-donors is investigated. Kiteplatin-glutathione adducts can further react with 5[prime or minute]-GMP in presence of O2. This unique reaction may account for its activity toward oxaliplatin-resistant colon cancer.
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Cation-size-controlled assembly of the Ni(Ac)2-1,4-H2NDC system: geminal dicationic ionothermal syntheses, crystal structures and magnetic properties

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12828-12831
DOI: 10.1039/C4DT00987H, CommunicationBing An, Yan Bai, Jun-Li Wang, Dong-Bin Dang
Geminal dicationic ionic liquids with different alkyl spacer lengths regularly tune four MOF structures of two structure types in the Ni(Ac)2-1,4-H2NDC system, which in turn bring about different magnetic properties.
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Two new coordination polymers, a trinuclear metal complex and their interconversion depending on the solvent

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12832-12835
DOI: 10.1039/C4DT01644K, CommunicationShiori Koike, Takeshi Hirakawa, Katsunori Yamanishi, Mitsuru Kondo
Irreversible conversion of the 1-D coordination polymer to the discrete trinuclear complex by contact with MeCN is described.
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Helicity inversion and redox chemistry of chiral manganese(II) cubanes

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12917-12925
DOI: 10.1039/C4DT01590H, PaperClaire Deville, Matteo Granelli, Alan M. Downward, Celine Besnard, Laure Guenee, Alan F. Williams
N-methylation of a benzimidazole ligand switches the helicity of a tetranuclear manganese complex and changes the redox behavior.
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Stability and toxicity of heteroleptic organometallic Bi(V) complexes towards Leishmania major

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12904-12916
DOI: 10.1039/C4DT00957F, PaperYih Ching Ong, Victoria L. Blair, Lukasz Kedzierski, Philip C. Andrews
A series of organometallic bismuth(V) dicarboxylates, [BiPh3(O2CR[prime or minute])2], were synthesised and evaluated for their anti-leishmanial activity. The complexes are effective against parasite promastigotes (0.6-2.5 [small mu ]M), but prone to slow reductive decomposition.
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Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12996-13005
DOI: 10.1039/C4DT01413H, PaperEwan R. Clark, Muhammad U. Anwar, Bryce J. Leontowicz, Yassine Beldjoudi, John J. Hayward, Wesley T. K. Chan, Emma L. Gavey, Melanie Pilkington, Eli Zysman-Colman, Jeremy M. Rawson
The 3-(2[prime or minute]-pyridyl)-benzo-1,2,4-thiadiazine ligand forms a range of N,N[prime or minute]-chelate complexes with first row transition metal ligands.
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Synthesis and characterization of the ZnO/mpg-C3N4 heterojunction photocatalyst with enhanced visible light photoactivity

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,13105-13114
DOI: 10.1039/C4DT01347F, PaperDaimei Chen, Kewei Wang, Tiezhen Ren, Hao Ding, Yongfa Zhu
The photocatalytic activity enhancement of the ZnO/mpg-C3N4 is due to the high separation and easy transfer of photogenerated electron-hole pairs.
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Facile synthesis of novel MoS2@SnO2 hetero-nanoflowers and enhanced photocatalysis and field-emission properties

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,13136-13144
DOI: 10.1039/C4DT01436G, PaperJinzhu Li, Ke Yu, Yinghua Tan, Hao Fu, Qingfeng Zhang, Weitao Cong, Changqing Song, Haihong Yin, Ziqiang Zhu
A novel MoS2@SnO2 hetero-nanoflower was successfully synthesized by a facile hydrothermal method. The composite showed more excellent photocatalytic and field emission properties than that of MoS2.
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Au nanoparticles in carbon nanotubes with high photocatalytic activity for hydrocarbon selective oxidation

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12982-12988
DOI: 10.1039/C4DT01077A, PaperJuan Liu, Ruihua Liu, Haitao Li, Weiqian Kong, Hui Huang, Yang Liu, Zhenhui Kang
High conversion efficiency (14.7%) and high selectivity (86.88% for cyclohexanone) catalytic oxidation of cyclohexane under mild conditions is achieved with Au confined in carbon nanotubes.
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New triethoxysilylated 10-vertex closo-decaborate clusters. Synthesis and controlled immobilization into mesoporous silica

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,13087-13095
DOI: 10.1039/C4DT00772G, PaperFatima Abi-Ghaida, Zahra Laila, Ghassan Ibrahim, Daoud Naoufal, Ahmad Mehdi
Triethoxysilylated borate clusters comprising the closo-decaborate cage were synthesized and immobilized into the pores of SBA-15 mesoporous silica.
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Alkaline earth metal-based metal-organic framework: hydrothermal synthesis, X-ray structure and heterogeneously catalyzed Claisen-Schmidt reaction

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,13006-13017
DOI: 10.1039/C4DT00575A, PaperDebraj Saha, Tanmoy Maity, Subratanath Koner
Two alkaline earth metal based carboxylate framework systems, [Mg(HL)(H2O)2]n (1) and [Ca(H2L)2]n (2) (H3L = chelidamic acid) have been hydrothermally synthesized and characterized. Both compound 1 and its dehydrated species heterogeneously catalyze Claisen-Schmidt reaction.
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A series of 3D metal organic frameworks based on [24-MC-6] metallacrown clusters: structure, magnetic and luminescence properties

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,12989-12995
DOI: 10.1039/C4DT01593B, PaperKai Wang, Hua-Hong Zou, Zi-Lu Chen, Zhong Zhang, Wei-Yin Sun, Fu-Pei Liang
Four isostructural MOFs based on [24-MC-6] metallacrown cluster SUBs have been reported. They have a (4,6)-connected 3D frameworks and exhibit interesting magnetic and luminescence properties, as well as magnetocaloric effect.
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DNA/protein interaction and cytotoxic activity of imidazole terpyridine derived Cu(II)/Zn(II) metal complexes

Dalton Transactions - 13 August, 2014 - 02:54

Dalton Trans., 2014, 43,13018-13031
DOI: 10.1039/C4DT01378F, PaperV. M. Manikandamathavan, T. Weyhermuller, R. P. Parameswari, M. Sathishkumar, V. Subramanian, Balachandran Unni Nair
Metal centre plays an important role in the mode of DNA binding, cleavage, protein binding and cytotoxicity.
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Asymmetric borylation of [small alpha],[small beta]-unsaturated esters catalyzed by novel ring expanded N-heterocyclic carbenes based on chiral 3,4-dihydro-quinazolinium compounds

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6554-6556
DOI: 10.1039/C4OB01101E, CommunicationLiliang Huang, Yong Cao, Manping Zhao, Zhongfeng Tang, Zhihua Sun
A series of novel ring expanded N-heterocyclic carbene (NHC) precursors were synthesized, which showed excellent enantioselectivities for borylation of [small alpha],[small beta]-unsaturated esters.
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Demonstration of a common indole-based aromatic core in natural and synthetic eumelanins by solid-state NMR

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6730-6736
DOI: 10.1039/C4OB01066C, PaperSubhasish Chatterjee, Rafael Prados-Rosales, Sindy Tan, Boris Itin, Arturo Casadevall, Ruth E. Stark
Comparing natural and synthetic eumelanin pigment structures: high-field 2D solid-state NMR reveals a common indole-based aromatic core for ubiquitous protective pigments that inspire engineered materials.
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N-Bromoacetamide-mediated domino cyclization and elimination of homoallylic trichloroacetimidates: a novel approach toward the synthesis of 1-bromo-2-amino-3-butene derivatives

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6653-6660
DOI: 10.1039/C4OB01126K, PaperRui Zhu, Kai Yu, Zhenhua Gu
Allylic amides 3 were synthesized efficiently from homoallylic trichloroacetimidates 1via domino bromo-cyclization and elimination reactions.
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Novel phthalamides containing sulfiliminyl moieties and derivatives as potential ryanodine receptor modulators

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6643-6652
DOI: 10.1039/C4OB00716F, PaperSha Zhou, Tao Yan, Yuxin Li, Zhehui Jia, Baolei Wang, Yu Zhao, Yuanyuan Qiao, Lixia Xiong, Yongqiang Li, Zhengming Li
The present work firstly reported that the new diamides incorporating sulfiliminyl moieties are potential candidate structures for new ryanodine receptor modulators.
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Enhanced catalysis and enantioselective resolution of racemic naproxen methyl ester by lipase encapsulated within iron oxide nanoparticles coated with calix[8]arene valeric acid complexes

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6634-6642
DOI: 10.1039/C4OB01048E, PaperSerkan Sayin, Enise Akoz, Mustafa Yilmaz
In this study, two types of nanoparticles have been used as additives for the encapsulation of Candida rugosa lipase via the sol-gel method.
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An acridinium-based sensor as a fluorescent photoinduced electron transfer probe for proton detection modulated by anionic micelles

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6677-6683
DOI: 10.1039/C4OB00559G, PaperStefano Basili, Tiziana Del Giacco, Fausto Elisei, Raimondo Germani
Photoinduced electron transfer has been demonstrated to be the quenching mechanism for the fluorescent pH sensor based on the 9-amino-10-methylacridinium chromophore. The presence of anionic micelles causes a significant increase in the detection sensitivity of pH.
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SN2 regioselectivity in the esterification of 5- and 7-membered azacycloalkane quaternary salts: a DFT study to reveal the transition state ring conformation prevailing over the ground state ring strain

Org. and Biomol. Chem. - 12 August, 2014 - 15:17

Org. Biomol. Chem., 2014, 12,6717-6724
DOI: 10.1039/C4OB00695J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Akihiro Kimura, Susumu Kawauchi, Takuya Yamamoto, Yasuyuki Tezuka
SN2 regioselectivity in 5- and 7-membered azacycloalkanes quaternary salts is directed by the transition state ring conformation.
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