Chem. Commun.

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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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Viologen-based dendritic macromolecular asterisks: synthesis and interplay with gold nanoparticles

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6981-6983
DOI: 10.1039/C4CC02392G, CommunicationNadia Katir, Abdelkrim El Kadib, Vincent Colliere, Jean Pierre Majoral, Mosto Bousmina
From viologen-based macromolecular asterisks to dendritic sub-structures to their use to stabilize gold nanoparticles.
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Mesoscopic TiO2/CH3NH3PbI3 perovskite solar cells with new hole-transporting materials containing butadiene derivatives

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6931-6934
DOI: 10.1039/C4CC02211D, CommunicationSongtao Lv, Liying Han, Junyan Xiao, Lifeng Zhu, Jiangjian Shi, Huiyun Wei, Yuzhuan Xu, Juan Dong, Xin Xu, Dongmei Li, Shirong Wang, Yanhong Luo, Qingbo Meng, Xianggao Li
Up to 11.63% of power conversion efficiency has been achieved employing new triphenylamine-based hole-transporting materials containing butadiene derivatives.
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Development of a new colorimetric and red-emitting fluorescent dual probe for G-quadruplex nucleic acids

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6927-6930
DOI: 10.1039/C4CC01472C, CommunicationJin-Wu Yan, Shuo-Bin Chen, Hui-Yun Liu, Wen-Jie Ye, Tian-Miao Ou, Jia-Heng Tan, Ding Li, Lian-Quan Gu, Zhi-Shu Huang
A tailor-made colorimetric and red-emitting fluorescent dual probe was developed for the easy detection of G-quadruplexes.
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Band gap engineered, oxygen-rich TiO2 for visible light induced photocatalytic reduction of CO2

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6923-6926
DOI: 10.1039/C4CC01304B, CommunicationLling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai, Abdul Rahman Mohamed
An oxygen-rich TiO2 photocatalyst developed through a novel synthetic method demonstrates excellent performance for CO2 reduction to CH4 under visible light.
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A polymer-based ratiometric intracellular glucose sensor

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6920-6922
DOI: 10.1039/C4CC01110D, CommunicationLiqiang Zhang, Fengyu Su, Sean Buizer, Xiangxing Kong, Fred Lee, Kevin Day, Yanqing Tian, Deirdre R. Meldrum
A new polymeric ratiometric glucose sensor was synthesized and used for dynamically monitoring intracellular glucose concentrations in HeLa cells.
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A size amplified immune magnetic microbeads strategy in the rapid detection of circulating tumor cells

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7024-7027
DOI: 10.1039/C4CC02342K, CommunicationHongyan Zhang, Yanhong Wang, Qingling Li, Fumiao Zhang, Bo Tang
A size amplified immune magnetic microbeads strategy for the combined use of membrane filtration and immune-magnetic separation in CTC detection.
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Selective binding of hydrogen chloride and its trapping through supramolecular gelation

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6917-6919
DOI: 10.1039/C4CC02300E, CommunicationShibaji Basak, Nibedita Nandi, Arindam Banerjee
A pyridine containing amino acid based new gelator has been discovered. The amphiphilic gelator forms the gel selectively in the presence of hydrochloric acid. This indicates that the chloride ion has a key role in gelation and this selectivity has been applied successfully for the detection and trapping of hydrogen chloride gas in gel medium.
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Self-organized cobalt fluoride nanochannel layers used as a pseudocapacitor material

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7067-7070
DOI: 10.1039/C4CC01195C, CommunicationChong-Yong Lee, Zixue Su, Kiyoung Lee, Hiroaki Tsuchiya, Patrik Schmuki
Aligned CoF2 nanochannel layers were synthesized by self-ordering anodization. These layers show an almost ideal rectangular pseudocapacitive behavior, and may thus be promising for supercapacitor applications.
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Double axial chirality promoted asymmetric [2,3] Stevens rearrangement of N-cinnamyl L-alanine amide-derived ammonium ylides

4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6860-6862
DOI: 10.1039/C4CC02536A, CommunicationEiji Tayama, Noriko Naganuma, Hajime Iwamoto, Eietsu Hasegawa
The base-induced asymmetric [2,3] Stevens rearrangement of N-cinnamyl tetraalkylammonium ylides derived from L-alanine amides proceeds via a double axially chiral intermediate to afford the corresponding [small alpha]-substituted alanine derivatives with high enantio- and diastereoselectivities.
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