Chem. Commun.

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Proof-of-principle direct double cyclisation of a linear C15-precursor to a dibrominated bicyclic medium-ring ether relevant to Laurencia species

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12691-12693
DOI: 10.1039/C4CC06402J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.D. Christopher Braddock, Dan-Tiberiu Sbircea
Bicyclic medium ring ethers of relevance to Laurencia species have been obtained by direct double brominative cyclisation of an acyclic precursor.
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Continuous synthesis of artemisinin-derived medicines

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12652-12655
DOI: 10.1039/C4CC05098C, CommunicationKerry Gilmore, Daniel Kopetzki, Ju Weon Lee, Zoltan Horvath, D. Tyler McQuade, Andreas Seidel-Morgenstern, Peter H. Seeberger
Continuous, convergent/divergent synthesis of four anti-malarial APIs.
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Epitaxial antiperovskite superconducting CuNNi3 thin films synthesized by chemical solution deposition

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12734-12737
DOI: 10.1039/C4CC05281A, CommunicationZhenzhen Hui, Xianwu Tang, Dingfu Shao, Hechang Lei, Jie Yang, Wenhai Song, Hongmei Luo, Xuebin Zhu, Yuping Sun
Epitaxial superconducting antiperovskite CuNNi3 films with a Tc of 3.2 K were synthesized by chemical solution deposition.
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A novel synthetic route towards monodisperse [small beta]-NaYF4:Ln3+ micro/nanocrystals from layered rare-earth hydroxides at ultra low temperature

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12706-12709
DOI: 10.1039/C4CC05191B, CommunicationBaiqi Shao, Qi Zhao, Yongchao Jia, Wenzhen Lv, Mengmeng Jiao, Wei Lu, Hongpeng You
Monodisperse [small beta]-NaYF4:Ln3+ (Ln = Yb/Er, Yb/Tm) single micro/nanocrystals were one-pot fabricated at 50 [degree]C through a novel synthetic strategy from the starting point of a unit layer.
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Improved electrocatalytic activity for ethanol oxidation by Pd@N-doped carbon from biomass

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12637-12640
DOI: 10.1039/C4CC06206J, CommunicationHaiyan Jin, Tianyi Xiong, Yi Li, Xuan Xu, Mingming Li, Yong Wang
The incorporation of nitrogen makes Pd@CN exhibit superior catalytic activity towards ethanol oxidation to Pd@AC and Pd@HC.
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Two-color emissive probes for click reactions

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12694-12697
DOI: 10.1039/C4CC05288A, CommunicationMarcel Wirtz, Andreas Gruter, Philipp Rebmann, Tobias Dier, Dietrich A. Volmer, Volker Huch, Gregor Jung
CuAAC is visualized using a BODIPY reaction system by the bathochromic shift of the fluorescence wavelength in ensemble and microscopy experiments. Reaction progress is correlated with chromophore elongation fading out disturbing background fluorescence.
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Supramolecular self-assembly of three-dimensional polyaniline and polypyrrole crystals

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12757-12760
DOI: 10.1039/C4CC05559D, CommunicationYulun Tao, Juchuan Li, Anjian Xie, Shikuo Li, Ping Chen, Liping Ni, Yuhua Shen
Supramolecular self-assembly of 3D conductive polymer crystals in a suitable solvent environment at room temperature.
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Visualized discrimination of ATP from ADP and AMP through collapse of supramolecular gels

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12688-12690
DOI: 10.1039/C4CC05406G, CommunicationDong Yang, Changxia Liu, Li Zhang, Minghua Liu
Supramolecular PUDG-MO gel used for the visualized discrimination of the ATP from ADP and AMP.
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Aerobic oxygenative cleavage of electron deficient C-C triple bonds in the gold-catalyzed cyclization of 1,6-enynes

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12722-12725
DOI: 10.1039/C4CC04153D, CommunicationDilip V. Patil, Hyun-Sub Park, Jaeyoung Koo, Jin Wook Han, Seunghoon Shin
Gold-catalyzed aerobic oxygenative cleavage of triple bonds that occurs under the ambient pressure of air and at room temperature is reported; radical inhibition tests suggest that oxygenation occurs via a gold-bound metalloradical intermediate.
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Enzymatic synthesis of chiral [gamma]-amino acids using [small omega]-transaminase

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12680-12683
DOI: 10.1039/C3CC44864A, CommunicationMinsu Shon, Ramachandran Shanmugavel, Giyoung Shin, Sam Mathew, Sang-Hyeup Lee, Hyungdon Yun
In this study, we successfully synthesized enantiomerically pure (R)- and (S)-[gamma]-amino acids (>99% ee) using [small omega]-transaminase ([small omega]-TA) through kinetic resolution and asymmetric synthesis respectively.
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Bypassing a highly unstable frustrated Lewis pair: dihydrogen cleavage by a thermally robust silylium-phosphine adduct

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12753-12756
DOI: 10.1039/C4CC05905K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Thomas J. Herrington, Bryan J. Ward, Laurence R. Doyle, Joe McDermott, Andrew J. P. White, Patricia A. Hunt, Andrew E. Ashley
The thermally robust silylium complex [iPr3Si-PtBu3]+[B(C6F5)4]- (1) activates H2/D2 at 90 [degree]C (PhCl). However, experimental evidence and DFT calculations show no evidence for dissociation into the separated Lewis pair.
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[FeIII(TF4DMAP)OTf] catalysed anti-Markovnikov oxidation of terminal aryl alkenes to aldehydes and transformation of methyl aryl tertiary amines to formamides with H2O2 as a terminal oxidant

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12669-12672
DOI: 10.1039/C4CC05972G, CommunicationYi-Dan Du, Chun-Wai Tse, Zhen-Jiang Xu, Yungen Liu, Chi-Ming Che
[FeIII(TF4DMAP)OTf] catalysed anti-Markovnikov oxidation of terminal aryl alkenes to aldehydes and the transformation of N-methyl aryl tertiary amines to formamides with H2O2 as a terminal oxidant with moderate to good product yields.
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A small molecule peptidomimetic of spider silk and webs

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12749-12752
DOI: 10.1039/C4CC04475D, CommunicationKrishnendu Maji, Rajib Sarkar, Santu Bera, Debasish Haldar
A peptidomimetic compound self-assembles to form spider silk-like soft fibers at 20 [degree]C upon contact with air and the fibers can be used to mimic a spider web.
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dsDNA-specific fluorescent copper nanoparticles as a "green" nano-dye for polymerization-mediated biochemical analysis

29 September, 2014 - 08:17

Chem. Commun., 2014, 50,12746-12748
DOI: 10.1039/C4CC05101G, CommunicationZhihe Qing, Taiping Qing, Zhengui Mao, Xiaoxiao He, Kemin Wang, Zhen Zou, Hui Shi, Dinggeng He
dsDNA-specific fluorescent copper nanoparticles (CuNPs) have been exploited as a "green" nano-dye for polymerization-mediated biochemical analysis. Good feasibility and universality were demonstrated through detecting three model targets.
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Catalyst free silica templated porous carbon nanoparticles from bio-waste materials

27 September, 2014 - 07:54

Chem. Commun., 2014, 50,12702-12705
DOI: 10.1039/C4CC04378B, CommunicationAnuj Kumar, Gurumurthy Hegde, Shoriya Aruni Bt Abdul Manaf, Z. Ngaini, K. V. Sharma
This work described a simple method to produce the bulk porous carbon nanoparticles from bio-waste materials without any catalyst support.
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A facile access to a novel NHC-stabilized silyliumylidene ion and C-H activation of phenylacetylene

27 September, 2014 - 07:54

Chem. Commun., 2014, 50,12619-12622
DOI: 10.1039/C4CC05181E, CommunicationSyed Usman Ahmad, Tibor Szilvasi, Shigeyoshi Inoue
This work presents a facile access to a donor-stabilized monoarylsilyliumylidene ion and its unique reaction with a terminal alkyne.
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The coaction of tonic and phasic dopamine dynamics

25 September, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06165A, CommunicationChristopher W. Atcherley, Kevin M. Wood, Kate L. Parent, Parastoo Hashemi, Michael L. Heien
Tonic neurochemical dopamine activity underlies many brain functions; however a consensus on this important concentration has not yet been reached.
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A radical spin on viologen polymers: organic spin crossover materials in water

25 September, 2014 - 07:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07119K, CommunicationAlexander T. Buck, Mark J. Juetten, Arthur H. Winter
A polymer containing viologen radical cation monomer units is shown to reversibly switch between paramagnetic and diamagnetic states via non-covalent host-guest interactions or temperature control in water. Cycling between diamagnetic...
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Dual doping effects (site blockage and electronic promotion) imposed by adatoms on Pd nanocrystals for catalytic hydrogen production

25 September, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06195K, CommunicationS. Jones, S. M. Fairclough, M. Gordon-Brown, W. Zheng, A. Kolpin, B. Pang, W. C. H. Kuo, J. M. Smith, S. C. E. Tsang
Distinctive doping effects are presented, which modify electronic and geometric properties of Pd nanocrystals for HCOOH decomposition affecting activity and selectivity.
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Facile synthesis of a genuinely alkane-soluble but isolable lithium hydride transfer reagent

23 September, 2014 - 06:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC06421F, CommunicationStuart D. Robertson, Alan R. Kennedy, John J. Liggat, Robert E. Mulvey
1-Lithio-2-alkyl-1,2-dihydropyridines, easily formed from addition of (n- or t-)BuLi to pyridine, have been compared; the steric bulk of the branched alkyl substituent enforces lesser oligomerization, thus enhancing alkane solubility making it an amenable, convenient lithium hydride transfer reagent in non-polar, aliphatic media.
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