Chem. Commun.

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CaH2-assisted low temperature synthesis of metallic magnetic nanoparticle-loaded multiwalled carbon nanotubes

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6866-6868
DOI: 10.1039/C4CC01592D, CommunicationLiis Seinberg, Shinpei Yamamoto, Masahiko Tsujimoto, Yoji Kobayashi, Mikio Takano, Hiroshi Kageyama
Ni or Fe nanoparticle-loaded multiwalled carbon nanotubes can be prepared even at 400 [degree]C by simply heating metal organic salts with CaH2.
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Chemically regulating Rh(I)-Bodipy photoredox switches

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6850-6852
DOI: 10.1039/C4CC01345J, CommunicationA. M. Lifschitz, R. M. Young, J. Mendez-Arroyo, V. V. Roznyatovskiy, C. M. McGuirk, M. R. Wasielewski, C. A. Mirkin
Photoinduced electron transfer from a Rh(I) center to an excited Bodipy unit within coordination complexes is regulated in situ by affecting the redox potential of either moiety thought the introduction of neutral and anionic ligands.
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Supramolecular colloidosomes: fabrication, characterisation and triggered release of cargo

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7048-7051
DOI: 10.1039/C4CC01479K, CommunicationGodwin Stephenson, Richard M. Parker, Yang Lan, Ziyi Yu, Oren A. Scherman, Chris Abell
Supramolecular colloidosomes are self-assembled at the interface of microfluidic droplets via a cucurbit[8]uril host-guest complex, allowing for triggered release of aqueous cargo.
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Near-infrared light triggerable deformation-free polysaccharide double network hydrogels

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7052-7055
DOI: 10.1039/C4CC02216E, CommunicationRong-Cong Luo, Zhen Han Lim, Wei Li, Peng Shi, Chia-Hung Chen
Agarose/alginate double network hydrogels composited with polypyrrole (PPy) nanoparticles enable formation of light-triggerable deformation-free materials.
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Phosphine catalyzed reduction of CO2 with boranes

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7007-7010
DOI: 10.1039/C4CC02103G, CommunicationTongen Wang, Douglas W. Stephan
Phosphine is shown to catalyse the reaction of CO2 with 9-BBN to give mixtures of HCO2(B(C8H14)) 3, H2C(OB(C8H14))24 and MeOB(C8H14) 5; at 0.02 mol% of tBu3P 5 is obtained in 98% yield at 60 [degree]C with TON of almost 5500 and a TOF of 170.
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Asymmetric synthesis of functionalized cyclohexanes bearing five stereocenters via a one-pot organocatalytic Michael-Michael-1,2-addition sequence

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6853-6855
DOI: 10.1039/C4CC01885K, CommunicationPankaj Chauhan, Gregor Urbanietz, Gerhard Raabe, Dieter Enders
A highly stereoselective one-pot organocatalytic procedure involving a Michael-Michael-1,2-addition sequence provides an efficient access to fully substituted cyclohexanes bearing five contiguous stereocenters in good yields and excellent stereoselectivities.
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Selective P4 activation by an organometallic nickel(I) radical: formation of a dinuclear nickel(II) tetraphosphide and related di- and trichalcogenides

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7014-7016
DOI: 10.1039/C4CC02601B, CommunicationStefan Pelties, Dirk Herrmann, Bas de Bruin, Frantisek Hartl, Robert Wolf
The reaction of white phosphorus with a mononuclear cyclopentadienyl nickel(I) complex affords a nickel-substituted tetraphospha[1.1.0]bicyclobutane in a highly selective fashion.
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Label-free, optical sensing of the supramolecular assembly into fibrils of a ditryptophan-DNA hybrid

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6863-6865
DOI: 10.1039/C4CC02631D, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Nidhi Gour, Jancy Nixon Abraham, Mohamed Chami, Axel Castillo, Sandeep Verma, Corinne Vebert-Nardin
Label free optical sensing of the formation of WW-DNA fibrillar structures.
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Reversible single-chain selective point folding via cyclodextrin driven host-guest chemistry in water

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7056-7059
DOI: 10.1039/C4CC03218G, CommunicationJohannes Willenbacher, Bernhard V. K. J. Schmidt, David Schulze-Suenninghausen, Ozcan Altintas, Burkhard Luy, Guillaume Delaittre, Christopher Barner-Kowollik
A new platform technology for the reversible folding of single polymer chains in aqueous environment on the basis of cyclodextrin (CD) host-guest chemistry and controlled radical polymerization protocols is introduced.
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Photoresponsive supramolecular self-assembly of monofunctionalized pillar[5]arene based on stiff stilbene

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7001-7003
DOI: 10.1039/C4CC02760D, CommunicationYuan Wang, Jiang-Fei Xu, Yu-Zhe Chen, Li-Ya Niu, Li-Zhu Wu, Chen-Ho Tung, Qing-Zheng Yang
We reported a photoresponsive monofunctionalized pillar[5]arene based on stiff stilbene. Z-1 tends to form self-complexing [1]pseudorotaxanes and [c2] daisy chains, whereas E-1 forms supramolecular polymers.
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Dissolvable metallohydrogels for controlled release: evidence of a kinetic supramolecular gel phase intermediate

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7032-7035
DOI: 10.1039/C4CC02771J, CommunicationSubhadeep Saha, Jurgen Bachl, Tanay Kundu, David Diaz Diaz, Rahul Banerjee
Two shape-persistent metallohydrogels were synthesized and found to display unique opaque gel-to-transparent gel phase transition as well as gradual dissolution in water, which offered a versatile platform for drug delivery applications.
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MCF-supported boronic acids as efficient catalysts for direct amide condensation of carboxylic acids and amines

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7017-7019
DOI: 10.1039/C4CC01148A, CommunicationLiuqun Gu, Jaehong Lim, Jian Liang Cheong, Su Seong Lee
Optimizing the microenvironments can significantly enhance the catalytic activity.
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Ammonium formate decomposition over Au/TiO2: a unique case of preferential selectivity against NH3 oxidation

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6998-7000
DOI: 10.1039/C4CC00196F, CommunicationManasa Sridhar, Daniel Peitz, Jeroen Anton van Bokhoven, Oliver Krocher
The unique selectivity of Au/TiO2 for converting ammonium formate to CO2 in the presence of excess O2 and H2O without oxidising NH3 up to 300 [degree]C is reported.
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Synthesis of spiro[isoquinolinone-4,2[prime or minute]-oxiranes] and isoindolinones via a multicomponent reaction of 2-acetyl-oxirane-2-carboxamides, arylaldehydes and malononitrile

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6995-6997
DOI: 10.1039/C4CC02141J, CommunicationBing Liu, Enxiang Wei, Shaoxia Lin, Baozhong Zhao, Fushun Liang
Efficient synthesis of spiro[isoquinolinone-4,2[prime or minute]-oxiranes] was achieved based on a multicomponent one-pot reaction of readily available cis-2-acetyl-oxirane-2-carboxamides, arylaldehydes and malononitrile at room temperature.
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Efficient delayed fluorescence via triplet-triplet annihilation for deep-blue electroluminescence

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6869-6871
DOI: 10.1039/C4CC01851F, CommunicationP.-Y. Chou, H.-H. Chou, Y.-H. Chen, T.-H. Su, C.-Y. Liao, H.-W. Lin, W.-C. Lin, H.-Y. Yen, I.-C. Chen, C.-H. Cheng
Four TS-doped devices using DMPPP as the host exhibited TTA-type delayed fluorescence, providing the highest device EQE of 10.2% without efficiency roll-off.
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Randomly arrayed G-quadruplexes for label-free and real-time assay of enzyme activity

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6875-6878
DOI: 10.1039/C4CC03103B, CommunicationZhuoliang Liu, Wang Li, Zhou Nie, Feifei Peng, Yan Huang, Shouzhuo Yao
Randomly arrayed G-quadruplexes can serve as an efficient peroxidase-mimic DNAzyme and provide a novel and facile method to detect terminal deoxynucleotidyl transferase (TdT) activity. Moreover, this G-rich sequence binding to the thioflavin T (ThT) dye can be applied in real-time fluorescent detection of TdT activity.
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Palladium catalyzed C3-arylation of 4-hydroxy-2-pyridones

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6879-6882
DOI: 10.1039/C4CC02166E, CommunicationElissavet E. Anagnostaki, Anna D. Fotiadou, Vera Demertzidou, Alexandros L. Zografos
The direct 3-arylation of 4-hydroxy-2-pyridones has been achieved for the first time by utilizing ligand free palladium(II) catalysis under mild conditions.
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Total synthesis of (+)-cylindradine A

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6991-6994
DOI: 10.1039/C4CC00137K, CommunicationMakoto Iwata, Kyohei Kanoh, Takuya Imaoka, Kazuo Nagasawa
Cylindradines A and B, members of the polycyclic pyrrole-imidazole alkaloids (PIAs), are the only congeners bearing a 3-carbamoylpyrrole unit among the PIAs.
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A furanyl acryl conjugated coumarin as an efficient inhibitor and a highly selective off-on fluorescent probe for covalent labelling of thioredoxin reductase

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6987-6990
DOI: 10.1039/C4CC02119C, CommunicationLei Huang, Yu Chen, Baoxia Liang, Bengang Xing, Gesi Wen, Shuni Wang, Xin Yue, Cuige Zhu, Jun Du, Xianzhang Bu
A simple and novel furanyl acryl conjugated coumarin was designed as an effective thioredoxin reductase-responding fluorescent probe.
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Direct evidence of Lowenstein's rule violation in swelling high-charge micas

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6984-6986
DOI: 10.1039/C4CC01632G, CommunicationE. Pavon, F. J. Osuna, M. D. Alba, L. Delevoye
The structure of high-charged micas, Na-n-micas (n = 2 and 4), a family of synthetic silicates with a wide range of applications, was investigated through the use of 17O solid-state NMR at natural abundance in order to preserve quantitative spectral information.
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