Royal Society of Chemistry

An organocatalytic cascade reaction of 2-nitrocyclohexanone and [small alpha],[small beta]-unsaturated aldehydes with unusual regioselectivity

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10471-10473
DOI: 10.1039/C4CC04298K, CommunicationYi-ning Xuan, Zhen-yu Chen, Ming Yan
An organocatalytic cascade reaction of 2-nitrocyclohexanone and [small alpha],[small beta]-unsaturated aldehydes was developed.
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Multifunctional upconverting nanoparticles for near-infrared triggered and synergistic antibacterial resistance therapy

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10488-10490
DOI: 10.1039/C4CC04584J, CommunicationMeili Yin, Zhenhua Li, Enguo Ju, Zhenzhen Wang, Kai Dong, Jinsong Ren, Xiaogang Qu
A novel nanomaterial with CuS nanoparticles decorated onto the surface of NaYF4:Mn/Yb/Er@photosensitizer doped SiO2 was synthesized for synergistic multidrug-resistant bacteria therapy.
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Highly efficient photocatalytic hydrogen evolution by nickel phosphide nanoparticles from aqueous solution

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10427-10429
DOI: 10.1039/C4CC05026F, CommunicationShuang Cao, Yong Chen, Chuan-Jun Wang, Ping He, Wen-Fu Fu
Monodispersed Ni2P nanoparticles were applied to photocatalytic hydrogen evolution in aqueous acidic media, with high efficiency and good durability.
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Multiple GO-SELEX for efficient screening of flexible aptamers

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10513-10516
DOI: 10.1039/C4CC03953J, CommunicationVan-Thuan Nguyen, Young Seop Kwon, Jae Hoon Kim, Man Bock Gu
We describe a simple, high-speed, high-throughput flexible aptamer screening for a group of small molecules using graphene oxide (simple Multi-GO-SELEX) without immobilizing the targets.
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Mild hypervalent iodine mediated oxidative nitration of N-aryl sulfonamides

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10485-10487
DOI: 10.1039/C4CC04738A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ulrich Kloeckner, Boris J. Nachtsheim
An oxidative and acid-free method for the nitration of N-aryl sulfonamides has been developed using a combination of sodium nitrite as cheap and easy to handle NO2-source and the hypervalent iodine reagent PIFA as stoichiometric oxidant.
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Transforming polyethylenimine into a pH-switchable hydrogel by additional supramolecular interactions

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10464-10467
DOI: 10.1039/C4CC03281K, CommunicationM. Fleischer, C. Schmuck
Polyethylenimine, a liquid polymer, can be transformed into a dual pH-responsive hydrogel upon functionalization with a self-complementary zwitterion which introduces additional supramolecular crosslinks, but only around neutral pH.
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Pd nanoparticle concentration dependent self-assembly of Pd@SiO2 nanoparticles into leaching resistant microcubes

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10510-10512
DOI: 10.1039/C4CC04124K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Abheek Datta, Anustup Sadhu, Subhankar Santra, S. M. Shivaprasad, Swadhin K. Mandal, Sayan Bhattacharyya
Leaching resistant Pd-SiO2 microcubes are obtained by self-assembly of Pd@SiO2 nanoparticles only above a threshold [greater-than-or-equal]0.2 wt% Pd.
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Stimuli responsive chiral liquid crystal phases of phenylboronic acid functionalized rodlike viruses and their interaction with biologically important diols

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10402-10405
DOI: 10.1039/C4CC04639K, CommunicationJun Cao, Shuaiyu Liu, Jie Xiong, Yingjun Chen, Zhenkun Zhang
M13 viruses decorated with phenylboronic acid moieties form pH-responsive chiral LC phases that are regulated by binding with biological diols.
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Silicon diatom frustules as nanostructured photoelectrodes

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10441-10444
DOI: 10.1039/C4CC04470C, CommunicationSoundarrajan Chandrasekaran, Martin J. Sweetman, Krishna Kant, William Skinner, Dusan Losic, Thomas Nann, Nicolas H. Voelcker
Semiconducting and high surface area 3D silicon diatom frustules prepared from abundantly available diatom fossils sustain photocurrents and enable solar energy conversion.
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DABCO-catalyzed ring opening of activated cyclopropanes and recyclization leading to [gamma]-lactams with an all-carbon quaternary center

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10491-10494
DOI: 10.1039/C4CC03392B, CommunicationShaoxia Lin, Ling Li, Fushun Liang, Qun Liu
A novel and efficient method for the construction of [gamma]-lactams with an all-carbon quaternary center is developed via a DABCO-catalyzed reaction of EWG-activated cyclopropanecarboxamides and electron-deficient alkenes.
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Blinking triggered by the change in the solvent accessibility of a fluorescent molecule

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10478-10481
DOI: 10.1039/C4CC00377B, CommunicationKiyohiko Kawai, Takeshi Koshimo, Atsushi Maruyama, Tetsuro Majima
The more a fluorescent molecule is exposed to a solvent, the faster its triplet excited state is quenched by molecular oxygen.
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Highly cis-selective and lead-free hydrogenation of 2-hexyne by a supported Pd catalyst with an ionic-liquid layer

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10406-10408
DOI: 10.1039/C4CC04183F, CommunicationFrederick Schwab, Natascha Weidler, Martin Lucas, Peter Claus
Modifying a supported Pd catalyst by the ionic liquid [BMPL][DCA] to a SCILL system gave high selectivity and yield of cis-2-hexene even at full 2-hexyne conversion.
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Reactions of zirconium amide amidinates with dioxygen. Observation of an unusual peroxo intermediate in the formation of oxo compounds

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10517-10520
DOI: 10.1039/C4CC04032E, CommunicationAdam C. Lamb, Zheng Lu, Zi-Ling Xue
Reaction of d0 Zr(NMe2)2[MeC(NiPr)2]2 (1) with O2 gives peroxo trimer {([small mu ]-[small eta]2:[small eta]2-O2)Zr[MeC(NiPr)2]2}3 which reacts with the starting material 1 to give oxo dimer {([small mu ]-O)Zr[MeC(NiPr)2]2}2 and its polymer.
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Protein assembly mediated by sulfonatocalix[4]arene

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10412-10415
DOI: 10.1039/C4CC04897K, CommunicationRoise E. McGovern, Andrew A. McCarthy, Peter B. Crowley
The binding of anionic p-sulfonatocalix[4]arene to cationic lysozyme results in self assembly and the formation of protein tetramer chains, as revealed by X-ray crystallography.
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19F NMR indicator displacement assay using a synthetic receptor with appended paramagnetic relaxation agent

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10499-10501
DOI: 10.1039/C4CC04159C, CommunicationAdam J. Plaunt, Kasey J. Clear, Bradley D. Smith
A 19F NMR indicator displacement assay detects phosphorylated analytes with amplified signal intensity.
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Formation of a [2]pseudorotaxane based on a pillar[5]arene and a rigid guest in solution and in the solid state

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10482-10484
DOI: 10.1039/C4CC04319G, CommunicationYujuan Zhou, Zhengtao Li, Xiaodong Chi, Connor Thompson, Yong Yao
A pillar[5]arene with mono(ethylene oxide) groups could form a highly stable inclusion complex with a rigid guest both in solution and in the solid state. The association constant of this inclusion complex was determined to be (3.3 +/- 0.41) [times] 104 M-1 in acetonitrile.
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The superior cycle and rate performance of a novel sulfur cathode by immobilizing sulfur into porous N-doped carbon microspheres

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10468-10470
DOI: 10.1039/C4CC04868G, CommunicationHui Xu, Yuanfu Deng, Zhenxia Zhao, Hongjie Xu, Xusong Qin, Guohua Chen
A novel S-immobilized N-doped carbon microspheres (NCMs) composite was synthesized and assembled as a cathode for Li-S batteries with significantly improved cycle stability and rate performance (e.g. 0.030% per cycle for 500 cycles at 2.0 C).
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Fast response and highly selective sensing of amine vapors using a luminescent coordination polymer

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10506-10509
DOI: 10.1039/C4CC04614E, CommunicationJinlei Chen, Fei-Yan Yi, Hong Yu, Shihui Jiao, Guangsheng Pang, Zhong-Ming Sun
The first Eu-coordination polymer as a sensory material for the detection of amine vapors with high selectivity and rapid response.
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Electrodeposition of gallium in the presence of NH4Cl in an ionic liquid: hints for GaN formation

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10438-10440
DOI: 10.1039/C4CC03649B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Abhishek Lahiri, Natalia Borisenko, Andriy Borodin, Frank Endres
GaN forms if Ga is electrodeposited from GaCl3 in the presence of NH4Cl from [Py1,4]Tf2N ionic liquid at room temperature.
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A pillar[5]arene and crown ether fused bicyclic host: synthesis, guest discrimination and simultaneous binding of two guests with different shapes, sizes and electronic constitutions

Chem. Commun. - 13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10460-10463
DOI: 10.1039/C4CC01810A, CommunicationWei-Bo Hu, Hong-Mei Yang, Wen-Jing Hu, Ming-Liang Ma, Xiao-Li Zhao, Xian-Qiang Mi, Yahu A. Liu, Jiu-Sheng Li, Biao Jiang, Ke Wen
A pillar[5]arene- and crown ether-based bicyclic host molecule binds two guest species selectively by its two independent cyclic host subunits.
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