Chem. Commun.

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Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(III)-catalyzed intermolecular C-H activation/annulation

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15159-15162
DOI: 10.1039/C4CC07170K, CommunicationDebasish Ghorai, Joyanta Choudhury
A unique directing-cum-functionalizing role of N-heterocyclic carbene (NHC) ligands is disclosed in a RhIII-catalyzed intermolecular annulation procedure.
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Hydrogen induced p-phosphonic acid calix[8]arene controlled growth of Ru, Pt and Pd nanoparticles

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15167-15170
DOI: 10.1039/C4CC06209D, CommunicationWenzhe Zang, Xianjue Chen, Ramiz A. Boulos, Jeremiah Toster, Colin L. Raston
Monodispersed noble metal nanoparticles of Ru, Pt and Pd with narrow size distributions have been produced via bubbling hydrogen through aqueous solutions of the noble metal ions in the presence of p-phosphonic acid calix[8]arene at ambient conditions.
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Cytosine-bulge-dependent fluorescence quenching for the real-time hairpin primer PCR

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15195-15198
DOI: 10.1039/C4CC06780K, CommunicationF. Takei, X. Chen, G. Yu, T. Shibata, C. Dohno, K. Nakatani
PCR progress could be monitored upon increasing the fluorescence using ligand-anchored hairpin primer.
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Extendable nickel complex tapes that reach NIR absorptions

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15140-15143
DOI: 10.1039/C4CC07353C, CommunicationHassib Audi, Zhongrui Chen, Azzam Charaf-Eddin, Anthony D'Aleo, Gabriel Canard, Denis Jacquemin, Olivier Siri
Nickel complex oligomers with tunable length allow a fine control of the absorption bands from the UV to the NIR region.
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Copper(I) 2-hydroxyethoxide-promoted cross-coupling of aryl- and alkenyldimethylsilanes with organic halides

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15156-15158
DOI: 10.1039/C4CC07371A, CommunicationTakeshi Takeda, Ryosuke Obata, Daisuke Muramatsu, Yuichiro Takeda, Akira Tsubouchi
The fluoride free cross-coupling between aryldimethylsilanes and organic halides proceeded in the presence of monocopper(I) alkoxide of ethylene glycol. The similar reaction of alkenyldimethylsilanes also took place with complete retention of configuration.
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The first calcium-catalysed Nazarov cyclisation

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15171-15174
DOI: 10.1039/C4CC06501H, CommunicationJacob Davies, Daniele Leonori
The first calcium-catalysed Nazarov cyclisation is described.
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Diastereoselective synthesis of [small alpha]-(aminomethyl)-[gamma]-butyrolactones via a catalyst-free aminolactonization

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15216-15219
DOI: 10.1039/C4CC05765A, CommunicationP. Veeraraghavan Ramachandran, Daniel R. Nicponski
An auto-catalytic domino reaction involving an aza-Michael reaction, proton transfer, and lactonization furnishing [small alpha]-aminomethyl-[gamma]-butyrolactones in near quantitative yields and excellent diastereoselectivity is described.
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Aurophilically cross-linked "dynamic" hydrogels mimicking healthy synovial fluid properties

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15199-15201
DOI: 10.1039/C4CC05735J, CommunicationPablo Casuso, Adrian Perez-San Vicente, Haizea Iribar, Araika Gutierrez-Rivera, Ander Izeta, Iraida Loinaz, German Cabanero, Hans-Jurgen Grande, Ibon Odriozola, Damien Dupin
We report a new supramolecular dynamic hydrogel, based on a new concept of reversible aurophilic cross-linker, mimicking the rheological behaviour of healthy synovial fluid at physiological conditions with good cell viability.
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Microtubes and hollow microspheres formed by winding of nanoribbons from self-assembly of tetraphenylethylene amide macrocycles

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15212-15215
DOI: 10.1039/C4CC05390G, CommunicationSong Song, Hua-Fei Zheng, Hai-Tao Feng, Yan-Song Zheng
TPE amide macrocycles formed microtubes emitting blue fluorescence in H2O-THF with 70-80% water but produced hollow microspheres emitting blue-green fluorescence in 90% or more water.
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Magnetic blocking in extended metal atom chains: a pentachromium(II) complex behaving as a single-molecule magnet

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15191-15194
DOI: 10.1039/C4CC06693F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.A. Cornia, L. Rigamonti, S. Boccedi, R. Clerac, M. Rouzieres, L. Sorace
Enforced in an almost perfectly axial coordination environment, the terminal chromium(II) ion of a linear pentanuclear complex exhibits single-molecule magnet properties in its S = 2 ground state.
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Plasmonic hybrid nanotubes of fullerene C60-polythiophene-silver or gold nanoparticles: fabrication and enhancement of the Raman scattering

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15183-15186
DOI: 10.1039/C4CC07303G, CommunicationRyusuke Yoshida, Takuya Matsumura, Tsukasa Nakahodo, Hisashi Fujihara
We determined the surface-enhanced Raman scattering of the plasmonic hybrid nanotubes of fullerene C60-polythiophene-Ag or Au nanoparticles.
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Motorized Janus metal organic framework crystals

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15175-15178
DOI: 10.1039/C4CC06952H, CommunicationTristan T. Y. Tan, Jerald T. M. Cham, Michael R. Reithofer, T. S. Andy Hor, Jia Min Chin
A Janus MOF crystal showing site-selective bubble ejection from the ZIF-67 covered surface.
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Phase-transition contrast nanocapsules triggered by low-intensity ultrasound

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15163-15166
DOI: 10.1039/C4CC04641B, CommunicationHao Li, Jianhao Wang, Ping Wang, Jian Zheng, Fangfang Song, Tinghui Yin, Guofu Zhou, Rongqing Zheng, Chao Zhang
Liquid fluorocarbon-loaded polymeric nanocapsules as contrast agents could be potentially triggered by mild hyperthermia under diagnostic ultrasound for tumor imaging.
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[(Salcen)CrIII + Lewis base]-catalyzed synthesis of N-aryl-substituted oxazolidinones from epoxides and aryl isocyanates

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15187-15190
DOI: 10.1039/C4CC07421A, CommunicationRobert L. Paddock, Debashis Adhikari, Richard L. Lord, Mu-Hyun Baik, SonBinh T. Nguyen
[(Salcen)CrIII + Lewis base] was found to be a highly active and selective catalyst system in the [2+3] cycloaddition reaction between epoxides and isocyanates to form 5-oxazolidinones.
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Organic nanoparticles with aggregation-induced emission for tracking bone marrow stromal cells in the rat ischemic stroke model

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15136-15139
DOI: 10.1039/C4CC06921H, CommunicationKai Li, Mie Yamamoto, Su Jing Chan, Mun Yee Chiam, Wei Qin, Peter Tsun Hon Wong, Evelyn King Fai Yim, Ben Zhong Tang, Bin Liu
Fluorescent nanoparticles with aggregation-induced emission were successfully used for tracking bone marrow-derived mesenchymal stromal cells in rats with ischemic stroke.
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When gold meets chiral Bronsted acid catalysts: extending the boundaries of enantioselective gold catalysis

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15124-15135
DOI: 10.1039/C4CC04633A, Feature ArticleSuleman M. Inamdar, Ashok Konala, Nitin T. Patil
This review describes the development in the use of Au(I)/Bronsted acid binary catalytic systems to enable an enantioselective transformation in one-pot that cannot be achieved by gold catalysts alone.
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7.35%-Efficiency rear-irradiated flexible dye-sensitized solar cell by sealing liquid electrolyte in a groove

8 November, 2014 - 18:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07549H, CommunicationXiaopeng Wang, Qunwei Tang, Belin He, Ru Li, Liangmin Yu
We present here the feasibility of assembling rear-irradiated flexible dye-sensitized solar cell employing transparent Ni-Se alloy counter electrode along with groove stored TiO2 and liquid electrolyte. The flexible device with...
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Rhodium(III)-Catalyzed C-H Allylation of Electron-Deficient Alkenes with Allyl Acetates

8 November, 2014 - 18:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07597H, CommunicationTeck Peng Loh, Chao Feng, Daming Feng
Rhodium-catalyzed C-H allylation of acrylamides with allyl acetates is reported. The use of weakly coordinating directing group enabled high reaction efficiency, broad functionality tolerance and excellent [gamma]-selectivity, which opens a...
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UCST behavior of polyampholytes based on stoichiometric RAFT copolymerization of cationic and anionic monomers

8 November, 2014 - 18:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07930B, CommunicationQilu Zhang, Richard Hoogenboom
Polyampholytes with controlled equimolar ratio of charges were synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of cationic and anionic monomers and their UCST behavior is reported.
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The 9-homocubyl cation rearrangement revisited

6 November, 2014 - 17:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08071H, CommunicationSaid Jalife, Judy I-Chia Wu, Gerardo Martinez-Guajardo, Paul von Rague Schleyer, Maria A. Fernandez-Herrera, Gabriel Merino
High ab initio computations indicate that parallel to the automerization process, the 9-homocubyl cation can also undergo other types of rearrangements involving cage-opening.
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