Royal Society of Chemistry

One-step ligand exchange and switching from hydrophobic to water-stable hydrophilic superparamagnetic iron oxide nanoparticles by mechanochemical milling

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,3054-3057
DOI: 10.1039/C5CC07107K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Katalin V. Korpany, Cristina Mottillo, Jill Bachelder, Shoronia N. Cross, Pengcheng Dong, Simon Trudel, Tomislav Friscic, Amy Szuchmacher Blum
Mechanochemistry permits rapid solvent-free exchange of surface ligands on superparamagnetic iron oxide nanoparticles (IONPs), enabling control of surface properties.
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The bioinspired design of a reagent allows the functionalization of C[small alpha]-H of [small alpha],[small beta]-unsaturated carbonyl compounds via the Baylis-Hillman chemistry under ambient conditions

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2936-2939
DOI: 10.1039/C5CC08830E, CommunicationPalwinder Singh, Arun Kumar, Sukhmeet Kaur, Jagroop Kaur, Harpreet Singh
A rationally designed reagent capable of affecting alkylation at C[small alpha] of [small alpha],[small beta]-unsaturated carbonyl compounds is reported.
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Iron-catalyzed synthesis of arylsulfinates through radical coupling reaction

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2980-2983
DOI: 10.1039/C5CC09830K, CommunicationWeixi Zhang, Meiming Luo
A novel iron-catalyzed synthesis of arylsulfinates from diaryliodonium salts and rongalite through radical coupling reaction is described. Desired products can be prepared in good yields in air at room temperature in 20 minutes without the need for any ligands and additives.
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Enhancing electrocatalytic hydrogen evolution by nickel salicylaldimine complexes with alkali metal cations in aqueous media

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2948-2951
DOI: 10.1039/C5CC09456A, CommunicationHaiyan Shao, Subas K. Muduli, Phong D. Tran, Han Sen Soo
The pendant, chelating ethers in the second coordination sphere of nickel salicylaldimine complexes bind alkali metals to promote hydrogen evolution electrocatalysis.
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SENSI: signal enhancement by spectral integration for the analysis of metabolic mixtures

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2964-2967
DOI: 10.1039/C5CC09442A, CommunicationTakuma Misawa, Takanori Komatsu, Yasuhiro Date, Jun Kikuchi
The method provided here can overcome the low S/N problem in 13C NMR by the integration of plural spectra to increase the resolution based on non-bucketing analysis without measurements.
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Synergistic gold and enamine catalysis: intermolecular [small alpha]-alkylation of aldehydes with allenamides

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2909-2912
DOI: 10.1039/C5CC09533F, CommunicationJaime Fernandez-Casado, Ronald Nelson, Jose L. Mascarenas, Fernando Lopez
Aldehydes can be [small alpha]-alkylated with allenamides by the combined action of an organocatalyst and a gold complex.
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Gold(I) operational in synergistic catalysis for the intermolecular [small alpha]-addition reaction of aldehydes across allenamides

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2905-2908
DOI: 10.1039/C5CC09529H, CommunicationAlberto Ballesteros, Pablo Moran-Poladura, Jose M. Gonzalez
A synergistic approach to the catalytic intermolecular [small alpha]-addition of aldehydes across allenamides using gold(I) and proline derivatives.
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Solid state reconstructive phase transition from porous supramolecular network to porous coordination polymer

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2952-2955
DOI: 10.1039/C5CC09808D, CommunicationXiang Jiang, Hui-Zhong Kou
Structural transformation from a porous supramolecular network to a porous coordination polymer with different dimensionalities of interpenetration and spin states.
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A general metal-free route towards the synthesis of 1,2,3-triazoles from readily available primary amines and ketones

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2885-2888
DOI: 10.1039/C5CC08347H, CommunicationJoice Thomas, Sampad Jana, Jubi John, Sandra Liekens, Wim Dehaen
A metal-free route towards different 1,2,3-triazole heterocycles was accomplished by using inexpensive and readily available ketones and primary amines. This reaction is very general and was extended to functionalize different amino esters, dendrimers and natural products.
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Intrinsic magnetic characteristics-dependent charge transfer and visible photo-catalytic H2 evolution reaction (HER) properties of a Fe3O4@PPy@Pt catalyst

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,3038-3041
DOI: 10.1039/C5CC09017B, CommunicationWenyan Zhang, Chao Kong, Wei Gao, Gongxuan Lu
The electron transfer and visible-light-driven hydrogen evolution of a ternary nano-architecture could be regulated effectively by electro-magnetic interaction between the magnetic catalysts and photo-generated electrons.
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Ready display of antigenic peptides in a protein 'mimogen'

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,3014-3017
DOI: 10.1039/C5CC08892E, CommunicationM. Robert J. Vallee, Matthew W. Schombs, Zack J. Balaban, John Colyer, Benjamin G. Davis
A ready peptidylation protocol allows expeditious display of sequences in a standardized protein scaffold for sensitive Ab detection, as generic protein-like mimics.
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Plasmonic MoO3-x@MoO3 nanosheets for highly sensitive SERS detection through nanoshell-isolated electromagnetic enhancement

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2893-2896
DOI: 10.1039/C5CC10020H, CommunicationXianjun Tan, Lingzhi Wang, Chen Cheng, Xuefeng Yan, Bin Shen, Jinlong Zhang
Nanoshell-isolated electromagnetic enhancing for highly sensitive sers detection.
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Polymerized-complex method for preparation of supported bimetallic alloy and monometallic nanoparticles

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2996-2999
DOI: 10.1039/C5CC08848H, CommunicationPingyun Li, Fengsheng Li, Guodong Deng, Xiaode Guo, Hongying Liu, Wei Jiang, Tianhe Wang
Herein, we report a novel polymerized complex method for preparation of Ni-Pd, Ni-Pt, Cu-Pt alloy, Pt, Pd, Ag, Ni, Cu nanoparticles. The grain sizes and crystalline phases of these nanoparticles can be controlled.
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Rhodium-catalyzed annulation of arenes with alkynes through weak chelation-assisted C-H activation

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2872-2884
DOI: 10.1039/C5CC09180B, Feature ArticleYudong Yang, Kaizhi Li, Yangyang Cheng, Danyang Wan, Mingliang Li, Jingsong You
This feature article reviews the recent achievements of rhodium-catalyzed annulation of arenes with alkynes through weak chelation-assisted C-H activation, which sets a stage for the synthesis of diverse appealing polycyclic compounds.
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Fluorescence imaging technology (FI) for high-throughput screening of selenide-modified nano-TiO2 catalysts

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2944-2947
DOI: 10.1039/C5CC10436J, CommunicationLiping Wang, Jianchao Lee, Meijuan Zhang, Qiannan Duan, Jiarui Zhang, Hailang Qi
A high-throughput screening (HTS) method based on fluorescence imaging (FI) was built and applied to evaluate the catalytic performance of selenides-modified TiO2. A catalyst library comprising 1405 catalysts was established using color ink-jet printing technology.
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Diastereo- and enantioselective construction of an indole-based 2,3-dihydrobenzofuran scaffold via catalytic asymmetric [3+2] cyclizations of quinone monoimides with 3-vinylindoles

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2968-2971
DOI: 10.1039/C5CC09145D, CommunicationXiao-Xue Sun, Hong-Hao Zhang, Guo-Hao Li, Li Meng, Feng Shi
The first catalytic asymmetric [3+2] cyclization of quinone monoimides with 3-vinylindoles has been established, which constructed a biologically important 2,3-dihydrobenzofuran framework in high stereoselectivities (up to >95 : 5 dr, 96 : 4 er).
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Upgrading ethanol to 1-butanol with a homogeneous air-stable ruthenium catalyst

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2901-2904
DOI: 10.1039/C5CC09913G, CommunicationKuei-Nin T. Tseng, Steve Lin, Jeff W. Kampf, Nathaniel K. Szymczak
An amide-derived N,N,N-Ru(II) complex catalyzes the conversion of EtOH to 1-BuOH with high activity.
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Cuprophilic interactions in highly luminescent dicopper(I)-NHC-picolyl complexes - fast phosphorescence or TADF?

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2932-2935
DOI: 10.1039/C5CC09659F, CommunicationJorn Nitsch, Frederick Lacemon, Andreas Lorbach, Antonius Eichhorn, Federico Cisnetti, Andreas Steffen
Cuprophilic interactions can greatly enhance the radiative rate constants via either exceptionally fast phosphorescence or TADF, and thus present a design motif for highly efficient CuI-based emitters.
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Selective desorption of high-purity (6,5) SWCNTs from hydrogels through surfactant modulation

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2928-2931
DOI: 10.1039/C5CC08530F, CommunicationYang Zhao, Justin G. Clar, Luping Li, Jia Xu, Tianyu Yuan, Jean-Claude J. Bonzongo, Kirk J. Ziegler
Selective desorption of (6,5) single-wall carbon nanotubes from hydrogels only occurs at specific co-surfactant ratios.
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Room temperature methoxylation in zeolites: insight into a key step of the methanol-to-hydrocarbons process

Chem. Commun. - 5 hours 4 min ago

Chem. Commun., 2016, 52,2897-2900
DOI: 10.1039/C5CC08956E, CommunicationAlexander J. O'Malley, Stewart F. Parker, Arunabhiram Chutia, Matthew R. Farrow, Ian P. Silverwood, Victoria Garcia-Sakai, C. Richard A. Catlow
Neutron scattering methods studying mobility and vibrational spectra observed complete room temperature methoxylation in a commercial sample of methanol-to-hydrocarbons (MTH) catalyst H-ZSM-5.
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