Chem. Commun.

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Redox-responsive organometallic hydrogels for in-situ metal nanoparticle synthesis

19 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06988A, CommunicationMark A. Hempenius, Bram Zoetebier, G. Julius Vancso
A new class of redox active hydrogels composed of poly(ferrocenylsilane) polyanion and poly(ethylene glycol) chains was assembled, using a copper-free azide-alkyne Huisgen cycloaddition reaction. These organometallic hydrogels displayed reversible collapse...
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Probing structural changes of self assembled i-motif DNA

19 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06824F, Communicationil-joon lee, sachin patil, Karim fhayli, shahad alsaiari, Niveen M. Khashab
We report an i-motif structural probing system based on Thioflavin T (ThT) as a fluorescent sensor. This probe can discriminate the structural changes of RET and Rb i-motif sequences according...
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Palladium-Catalyzed Addition Reaction of Aroyl/Heteroaroyl Acid Anhydrides to Norbornenes

19 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07759H, CommunicationMieko Arisawa, Saori Tanii, Masahiko Yamaguchi
A palladium complex derived from Pd2(dba)3 and dppp catalyzes the addition reaction of aroyl/heteroaroyl acid anhydrides to norbornenes, giving 2-aroyl/heteroaroyl-3-aroyloxy/heteroaroyloxy-bicyclo[2,2,1]heptanes. The C-O bond of acid anhydride is cleaved, and the...
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Robust platforms for creating organic-inorganic nanocomposite microspheres: decorating polymer microspheres containing mussel-inspired adhesion layers with inorganic nanoparticles

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05433D, CommunicationH. Satoh, Y. Saito, H. Yabu
A novel method for creating stable polymer microspheres decorated with inorganic nanoparticles using a mussel-inspired adhesive layer is reported.
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Transparent and colourless room temperature ionic liquids having high refractive index over 1.60

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06145D, CommunicationYoko Kayama, Takahiro Ichikawa, Hiroyuki Ohno
Transparent and colourless ionic liquids with refractive index over 1.60 were synthesised by combining 1-benzyl-3-methylimidazolium or hexyltriphenyl phosphonium cations with suitable anions. There is a positive relation between their refractive index values and Kamlet-Taft parameters, especially dipolarity/polarisability, strongly suggesting potential parameter to design highly refractive ionic liquids.
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Protein stapling via azide-alkyne ligation

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06528J, CommunicationDiya M. Abdeljabbar, Frank J. Piscotta, Siyan Zhang, A. James Link
"Stapling" proteins using the copper-catalyzed azide-alkyne click reaction endows these proteins with improved properties, including thermostability and binding affinity.
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Synthesis of cyclic carbonates from CO2 and epoxides catalyzed by low loadings of benzyl bromide/DMF at ambient pressure

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06791F, CommunicationLin Wang, Li Lin, Guangyou Zhang, Koichi Kodama, Mikio Yasutake, Takuji Hirose
Under mild conditions, an efficient, novel, and metal-free catalytic system was developed for the conversion of CO2 and epoxides to cyclic carbonates in good-to-excellent yields (up to 99%).
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Porphyrin entrapment and release behavior of microporous organic hollow spheres: fluorescent alerting systems for existence of organic solvents in water

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06065B, CommunicationJaewon Jin, Bolyong Kim, Nojin Park, Sungah Kang, Joon Hyun Park, Sang Moon Lee, Hae Jin Kim, Seung Uk Son
Water soluble porphyrins were entrapped in microporous organic hollow spheres (MOHs). The resultant Zn-Por@MOH materials showed controllable release behavior that depended on the presence of organic solvents in water.
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"Double gating" - a concept for enzyme-responsive imaging probes aiming at high tissue specificity

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07147F, CommunicationMaxime Prost, Jens Hasserodt
A pro-fluorescent probe requires the presence of two target biomolecules to act on it in order to generate a signal.
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Reactions of pyruvates: organocatalytic synthesis of functionalized dihydropyrans in one pot and further transformations to functionalized carbocycles and heterocycles

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06035K, CommunicationPandurang V. Chouthaiwale, Fujie Tanaka
Concise cascade reactions of pyruvates with aldehydes that generate functionalized dihydropyran derivatives in one pot have been developed. The products, dihydropyrans, were further concisely transformed to various functionalized molecules.
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Separation of planar rotamers through intramolecular hydrogen bonding in polysubstituted 5-nitrosopyrimidines

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06978A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.L. Cechova, E. Prochazkova, I. Cisarova, M. Dracinsky, Z. Janeba
Unique isolation of pairs of planar rotamers, planamers, as chemical species differing only in nitroso group orientation, separable through the presence of a single intramolecular hydrogen bond, is reported.
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Tandem-reduction of DMF with silanes via necklace-type transition over Pt(0) nanoparticles: deciphering the dual Si-H effect as an extension of steric effects

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06979J, CommunicationVijay P. Taori, Michael R. Buchmeiser
The mechanism of the reduction of dimethylformamide to N(CH3)3 by the action of silanes and a heterogeneous Pt-catalyst is presented.
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A one-step route to Ag nanowires with a diameter below 40 nm and an aspect ratio above 1000

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04698F, CommunicationYunxia Ran, Weiwei He, Ke Wang, Shulin Ji, Changhui Ye
Ag nanowires with a diameter smaller than 25 nm and an aspect ratio larger than 1000 are synthesized using mixed PVP molecules of different chain length in a polyol reduction process.
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A highly sensitive ratiometric electrochemiluminescent biosensor for microRNA detection based on cyclic enzyme amplification and resonance energy transfer

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06801G, CommunicationNan Hao, Xiang-Ling Li, Huai-Rong Zhang, Jing-Juan Xu, Hong-Yuan Chen
A ratiometric electrochemiluminescent biosensor for the detection of microRNAs based on cyclic enzyme amplification and resonance energy transfer was reported.
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The first route to highly stable crystalline microporous zirconium phosphonate metal-organic frameworks

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06223J, CommunicationMarco Taddei, Ferdinando Costantino, Fabio Marmottini, Angiolina Comotti, Piero Sozzani, Riccardo Vivani
The first crystalline microporous zirconium phosphonate metal-organic framework (UPG-1) was synthesized using the novel tritopic ligand 2,4,6-tris(4-(phosphonomethyl)phenyl)-1,3,5-triazine.
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Spontaneous formation of organic helical architectures through dynamic covalent chemistry

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07263D, CommunicationWenfang Li, Zeyuan Dong, Junyan Zhu, Quan Luo, Junqiu Liu
Using dynamic covalent chemistry, achiral and chiral building blocks are capable of self-organizing into organic helical structures, accompanied with chiral amplification.
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Phenylenevinylene conjugated oligoelectrolytes as fluorescent dyes for mammalian cell imaging

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06478J, CommunicationPaulina Gwozdzinska, Roza Pawlowska, Justyna Milczarek, Logan E. Garner, Alexander W. Thomas, Guillermo C. Bazan, Arkadiusz Chworos
Conjugated phenylenevinylene oligoelectrolytes, which consist of a phenylenevinylene core equipped at each end with hydrophilic pendent groups, are shown to be good candidates for mammalian cell membrane staining.
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The double perovskite oxide Sr2CrMoO6-[small delta] as an efficient electrocatalyst for rechargeable lithium air batteries

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06113F, CommunicationZhong Ma, Xianxia Yuan, Lin Li, Zi-Feng Ma
Rechargeable lithium air batteries based on the double perovskite oxide Sr2CrMoO6-[small delta] (SCM) as the cathode catalyst reveal a good performance.
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A rapid and divergent access to chiral azacyclic nucleoside analogues via highly enantioselective 1,3-dipolar cycloaddition of [small beta]-nucleobase substituted acrylates

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06632D, CommunicationQi-Liang Yang, Ming-Sheng Xie, Chao Xia, Huan-Li Sun, Dan-Jie Zhang, Ke-Xin Huang, Zhen Guo, Gui-Rong Qu, Hai-Ming Guo
A rapid and divergent access to chiral azacyclic nucleoside analogues was developed via enantioselective 1,3-dipolar cycloaddition of [small beta]-nucleobase substituted acrylates.
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A highly efficient Pd-catalyzed decarboxylative ortho-arylation of amides with aryl acylperoxides

19 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06457G, CommunicationDengke Li, Ning Xu, Yicheng Zhang, Lei Wang
A Pd-catalyzed decarboxylative ortho-arylation of amides with aryl acylperoxides was developed. Anilides afforded ortho-arylation products, and N-methoxyarylamides gave phenanthridinones.
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