Chem. Commun.

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Updated: 4 hours 20 min ago

Easy access to constrained peptidomimetics and 2,2-disubstituted azetidines by unexpected reactivity profile of [small alpha]-lithiated N-Boc-azetidines

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06323J, CommunicationGiovanna Parisi, Emanuela Capitanelli, Antonella Pierro, Giuseppe Romanazzi, Guy James Clarkson, Leonardo Degennaro, RENZO LUISI
The reactivity profile of lithiated N-Boc-2-arylazetidines has been investigated filling a gap in the chemistry of this kind of four-membered heterocycles. Two unexpected and unprecedented results have been observed: an...
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Geminal Bis(silane)-Controlled Regio- and Stereoselective Oxidative Heck Reaction of Enol Ethers with Terminal Alkenes to Give Push-Pull 1,3-Dienes

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06448A, Communicationzhenlei song, Lu Gao, Linjie Li, Yang Chu
A geminal bis(silane)-controlled regio- and stereoselective oxidative Heck reaction of enol ethers with terminal alkenes has been developed. The reaction proceeds with an [small alpha], [small beta]-coupling regioselectivity to give push-pull Z,E-1,3-dienes...
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Electrochemical Sensing using Boronic acids

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC04976H, Feature ArticleMeng Li, Weihong Zhu, Frank Marken, Tony D James
Boronic acids can bind with 1,2- or 1,3- diols to form five or six-membered cyclic complexes and also can interact with Lewis bases to generate boronate anions. Therefore, boronic acid...
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Construction of a Porous Three Dimensional Rare Earth Metal-Sulfur-Ligand Open Framework

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05371D, CommunicationJin Xu, Ting Liu, Xiaohui Han, Shanshan Wang, Dan Liu, Cheng Wang
A slow reaction between Nd3+ and piperazine-1,4-dicarbodithiolate disodium (Na2(pipzdtc)) affords a three dimensional (3D) anionic [Nd2(pipzdtc)4]2- framework with dia net. The encapsulated disordered guest molecules could be partially exchanged by...
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Nano-mole scale sequential signal assignment by 1H-detected protein solid-state NMR

4 hours 20 min ago

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC04618A, CommunicationSonglin Wang, Sudhakar Parthasarathy, Yiling Xiao, Yusuke Nishiyama, Fei Long, Isamu Matsuda, Yuki Endo, Takahiro Nemoto, Kazuo Yamauchi, Tetsuo Asakura, Mitsuhiro Takeda, Tsutomu Terauchi, Masatsune Kainosho, Yoshitaka Ishii
We present a 3D 1H-detected solid-state NMR (SSNMR) approach for main-chain signal assignments of 10-100 nmol of fully protonated proteins.
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Facile fabrication of few-layer graphene and graphite nanosheets by high pressure homogenization

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06151B, CommunicationJingqi Shang, Feng Xue, Enyong Ding
We demonstrated a facile and efficient approach for the fabrication of few-layer graphene in DMF and graphite nanosheets in water with the assistance of high pressure homogenization. This work provides...
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Steric C-N Bond Activation on the Dimeric Macrocycle [{P([small micro]-NR)}2([small micro]-NR)]2

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06034F, CommunicationXiao Yan Shi, Rong Zheng Liang, Katherine Ann Martin, Daniel Graham Starr, Jesus Diaz, Yongxin Li, Ganguly Rakesh, Felipe Garcia
Dimeric cyclophosphazanes [{P([small micro]-NR)}2([small micro]-NR)]2 [R = tBu (1) and iPr (3)] were oxidized with elemental selenium. During these reactions an unexpected C-N bond cleavage and N-H bond formation occurred. Compound 1...
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Assessing the Effect of Different Shapes of Glyco-gold nanoparticles on Bacterial Adhesion and Infections

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05238F, CommunicationRaghavendra V Kikkeri, preeti Madhukar Chaudhary, Sivakoti Sangabathuni, Raghavendra Vasudeva Murthy, Ajay Paul, Thulasiram V Hirekodathakallu
Achieving selective and sensitive carbohydrate-protein interactions (CPIs) using nanotechnology is an intriguing area of research. Here we demonstrate that the different shapes of gold nanoparticles (AuNPs) functionalized with monosaccharides tune...
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Nanolayered Tin Phosphate: A Remarkably Selective Cs Ion Sieve for Acidic Waste Solutions

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06560G, CommunicationWenyan Huang, Sridhar Komarneni, Amir Reza Aref, Young Dong Noh, Jianfeng Ma, Kunfeng Chen, Dongfeng Xue, Bibiao Jiang
Here, we report a unique tin phosphate that is remarkably selective to 137Cs+ from extremly acidic solutions because of its special layered structure with an unusually large interlayer space. This...
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MOF as a syringe pump for the controlled release of iodine catalyst in the synthesis of meso-thienyl dipyrromethanes

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06311F, CommunicationSanjit Konar, Prasath Rangaraj, Srinivasulu Parshamoni
In a new concept, an Iodine loaded amine functionalized MOF was employed as a vehicle for slow release of iodine and was found to acts as an efficient green catalyst...
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Betti reaction enables efficient synthesis of 8-hydroxyquinoline inhibitors of 2-oxoglutarate oxygenases

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06095H, CommunicationCyrille C Thinnes, Anthony Tumber, Clarence Yapp, Giuseppe Scozzafava, Tzu-Lan Yeh, Mun Chiang Chan, Tram Anh Tran, Kuo-Feng Hsu, Hanna Tarhonskaya, Louise J Walport, Sarah E Wilkins, Elisabeth D Martinez, Susanne Muller-Knapp, Christopher W Pugh, Peter J Ratcliffe, Paul Brennan, Akane Kawamura, Christopher J Schofield
There is interest in developing potent, selective, and cell-permeable inhibitors of human ferrous iron and 2-oxoglutarate (2OG) oxygenases for use in functional and target validation studies. The 3-component Betti reaction...
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Coverage-Driven Dissociation of Azobenzene on Cu(111): A Route Towards Defined Surface Functionalization

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05003K, CommunicationMartin Willenbockel, Reinhard Maurer, Christopher Bronner, Michael Schulze, Benjamin Stadtmuller, Serguei Soubatch, Petra Tegeder, Karsten Reuter, Frank Stefan Tautz
We investigate the surface-catalyzed dissociation of the archetypal molecular switch azobenzene on the Cu(111) surface. Based on x-ray photoelectron spectroscopy, normal incidence x-ray standing waves and density functional theory calculations...
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Controlling energy transfer in ytterbium complexes: oxygen dependent lanthanide luminescence and singlet oxygen formation

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06891F, CommunicationAndrew Watkis, Rebekka Hueting, Thomas J. Sorensen, Manuel Tropiano, Stephen Faulkner
Pyrene-appended ytterbium complexes have been prepared using Ugi reactions to vary the chromophore-lanthanide separation. Formation of the ytterbium (III) excited state is sensitised via both the singlet and triplet excited...
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Phosphonium salt incorporated hypercrosslinked porous polymer for CO2 capture and conversion

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06295K, CommunicationJin-Quan Wang, Jason Gan Wei Yang, Guangshun Yi, Yugen Zhang
Various novel hypercrosslinked porous polymers with phosphonium salt incorporated into their networks were developed. These porous materials have high BET surface areas (up to 1168 m2/g) and can be used...
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Mechanism of CO2 Hydration: Porous Metal Oxide Nanocapsule Catalyst Can Mimic the Biological Carbonic Anhydrase Role

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06423F, CommunicationCarles Bo, Nuno Bandeira, Achim Muller, Somenath Garai
The mechanism for the hydration of CO2 within a Keplerate nanocapsule is presented. A network of hydrogen bonds across the water layers in the first metal coordination sphere facilitates the...
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Romanechite-structural Na0.31MnO1.9 nanofibers as high-performance cathode material for sodium ion battery

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05739F, CommunicationJin-Yue Li, Xing-Long Wu, Xiao-Hua Zhang, Hong-Yan Lu, guang wang, Jin-Zhi Guo, Fang Wan, Rongshun Wang
A new sodium manganese oxide (Na0.31MnO1.9) composed of uniform nanofibers has been developed as cathode material for sodium ion battery. X-ray diffraction demonstrates its crystal structure of Romanechite with large...
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A Novel 3D Covalent Organic Framework Membrane Grown on a Porous [small alpha]-Al2O3 Substrate under Solvothermal Conditions

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06742A, CommunicationYanan Gao, Hui Lu, Chang Wang, Juanjuan Chen, Rile Ge, Wenguang Leng, Bin Dong, Jun Huang
A novel approach to grow 3D COF-320 membrane on the surface-modified porous [small alpha]-Al2O3 substrate is developed. The compact and uniform COF-320 membrane with a layer thickness of ~4 [small micro]m is...
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Insight into the Lewis acid-catalyzed Intramolecular Aminocyanation and Oxycyanation of Alkenes: Concerted or Stepwise Mechanism

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06808H, Communicationjiyang zhao, guoqiang wang, Shuhua Li
Density functional theory investigations reveal that the intramolecular addition of N-CN bonds to alkenes proceed in a novel asynchronous and concerted mechanism, while the intramolecular addition of O-CN bonds to...
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Measuring Couplings in Crowded NMR Spectra: Pure Shift NMR with Multiplet Analysis

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06293D, CommunicationMohammadali Foroozandeh, Ralph W. Adams, Peter Kiraly, Mathias Nilsson, Gareth A Morris
The PSYCHE method for pure shift NMR is exploited to generate 2DJ spectra with full decoupling in one dimension and multiplet structure in the other, allowing spin-spin coupling constants to...
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Electrochemical Detection of Type 2 Diabetes Mellitus-Related SNP via DNA-Mediated Growth of Silver Nanoparticles on Single Walled Carbon Nanotubes

4 hours 20 min ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05520B, CommunicationJia Tao, Peng Zhao, Jing Zheng, Cuichen Wu, Muling Shi, Jishan Li, Yinhui Li, Rong-Hua Yang
Herein, we proposed a new electrochemical sensing strategy for T2DM-related SNP detection via DNA-mediated AgNPs growth on SWCNTs-modified electrode. Coupling with RNase HII enzyme assisted amplification, this approach could realize...
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