Chem. Commun.

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Selective photosensitization through an AND logic response: optimization of the pH and glutathione response of activatable photosensitizers

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12258-12261
DOI: 10.1039/C5CC01261A, CommunicationSundus Erbas-Cakmak, Fatma Pir Cakmak, Seda Demirel Topel, Taha Bilal Uyar, Engin U. Akkaya
A molecular AND logic gate, which is an activatable photosensitizer, requires above-threshold values of acidity (pH) and GSH for full activity.
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Asymmetric synthesis of optically active methyl-2-benzamido-methyl-3-hydroxy-butyrate by robust short-chain alcohol dehydrogenases from Burkholderia gladioli

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12328-12331
DOI: 10.1039/C5CC04652A, CommunicationXiang Chen, Zhi-Qiang Liu, Jian-Feng Huang, Chao-Ping Lin, Yu-Guo Zheng
Specific short-chain alcohol dehydrogenases were discovered and used in the dynamic kinetic asymmetric transformation of methyl 2-benzamido-methyl-3-oxobutanoate with excellent stereo-selectivity.
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A "keto-enol tautomerization"-based response mechanism: a novel approach to stimuli-responsive supramolecular gel

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12224-12227
DOI: 10.1039/C5CC04089B, CommunicationQi Lin, Tao-Tao Lu, Jin-Chao Lou, Gui-Yuan Wu, Tai-Bao Wei, You-Ming Zhang
By "keto-enol tautomerization", gelator G3 can be self-assembled into a stable organogel (OG3) accompanied by strong aggregation induced emission (AIE). OG3 could dual-channel sense S2- with specific selectivity via reversible sol-gel transition and fluorescent changes.
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Facile room-temperature solution-phase synthesis of a spherical covalent organic framework for high-resolution chromatographic separation

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12254-12257
DOI: 10.1039/C5CC03413B, CommunicationCheng-Xiong Yang, Chang Liu, Yi-Meng Cao, Xiu-Ping Yan
Facile room-temperature solution-phase synthesis of a spherical covalent organic framework with large surface area and good stability for high-resolution chromatographic separation.
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Pentagonal helices in a periodic metal-organic framework. Crystals as computers for discovering structures of minimal transitivity

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12228-12230
DOI: 10.1039/C5CC04146E, CommunicationMian Li, Dan Li, Michael O'Keeffe, Zhong-Min Su
A net of exceptional complexity is found in the structure of a metal-organic framework with pentagonal structure-building units.
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Plasmonic swings during the Fenton reaction: catalytic sensing of organics in water via fullerene-decorated gold nanoparticles

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12231-12234
DOI: 10.1039/C5CC03284A, CommunicationZheng-Nan Wei, Zhi-Hong Mo, Xiao-Li Pu, Yi-Chong Xu
A sensor for organics in water was developed by the plasmonic swings of gold acting as catalysts of the Fenton process.
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A novel deep photodynamic therapy modality combined with CT imaging established via X-ray stimulated silica-modified lanthanide scintillating nanoparticles

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12247-12250
DOI: 10.1039/C5CC04135J, CommunicationAhmed H. Elmenoufy, Yong'an Tang, Jun Hu, Huibi Xu, Xiangliang Yang
A novel theranostic nanosystem was established via X-ray excited LaF3:Tb scintillating nanoparticles capable of deep-seated tumour photodynamic therapy.
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One-step electrochemical synthesis of ultrathin graphitic carbon nitride nanosheets and their application to the detection of uric acid

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12251-12253
DOI: 10.1039/C5CC04231C, CommunicationQiujun Lu, Jianhui Deng, Yuxin Hou, Haiyan Wang, Haitao Li, Youyu Zhang
A one-step electrochemical method for synthesis of ultrathin g-C3N4 nanosheets is reported. This method does not need dangerous reagents and largely reduces the reaction time.
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Synthesis of disulfide-based biodegradable bridged silsesquioxane nanoparticles for two-photon imaging and therapy of cancer cells

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12324-12327
DOI: 10.1039/C5CC03736K, CommunicationJonas G. Croissant, Chiara Mauriello-Jimenez, Marie Maynadier, Xavier Cattoen, Michel Wong Chi Man, Laurence Raehm, Olivier Mongin, Mireille Blanchard-Desce, Marcel Garcia, Magali Gary-Bobo, Philippe Maillard, Jean-Olivier Durand
Biodegradable bridged silsesquioxane nanoparticles for two-photon imaging and therapy of cancer cells are described.
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Entrapment of a chiral cobalt complex within silver: a novel heterogeneous catalyst for asymmetric carboxylation of benzyl bromides with CO2

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12216-12219
DOI: 10.1039/C5CC04554A, CommunicationHeng-Pan Yang, Ying-Na Yue, Qi-Long Sun, Qiu Feng, Huan Wang, Jia-Xing Lu
A novel way to accommodate heterogeneous catalysis, CO2 fixation and asymmetric synthesis on one catalyst is reported.
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Reductive cleavage of inert aryl C-O bonds to produce arenes

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12212-12215
DOI: 10.1039/C5CC03563E, CommunicationHuanjun Xu, Bo Yu, Hongye Zhang, Yanfei Zhao, Zhenzhen Yang, Jilei Xu, Buxing Han, Zhimin Liu
Reductive cleavage of aryl C-O bonds in phenols and aryl ethers was achieved using LiAlH4-KOtBu, producing arenes in high yields.
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Catalytic oxidation of water and alcohols by a robust iron(III) complex bearing a cross-bridged cyclam ligand

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12189-12192
DOI: 10.1039/C5CC02868J, CommunicationPeng Tan, Hoi-Ki Kwong, Tai-Chu Lau
An iron(III) complex functions as a molecular catalyst for both oxidation of water and alcohols using sodium periodate as an oxidant.
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[small beta]-Tetrachlorotetramethoxyporphycenes: positional effect of substituents on structure and photophysical properties

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12239-12242
DOI: 10.1039/C5CC03867G, CommunicationAnup Rana, Pradeepta K. Panda
We report the regiospecific synthesis of the first chloro-substituted porphycenes as two positional isomers of [small beta]-tetrachlorotetramethoxyporphycene.
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A new designed hydrazine group-containing ruthenium complex used for catalytic hydrogenation of esters

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12193-12196
DOI: 10.1039/C5CC04242A, CommunicationXuefeng Tan, Qingli Wang, Yuanhua Liu, Fangyuan Wang, Hui Lv, Xumu Zhang
Hydrazine group-containing nitrogen-phosphine ruthenium complexes were synthesized and used for hydrogenation of esters, and excellent performance was observed (TON up to 17 200).
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Palladium-catalyzed asymmetric intermolecular Mizoroki-Heck reaction for construction of a chiral quaternary carbon center

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12235-12238
DOI: 10.1039/C5CC03601A, CommunicationQing-Song Zhang, Shi-Li Wan, Di Chen, Chang-Hua Ding, Xue-Long Hou
The construction of a quaternary carbon center via Pd-catalyzed intermolecular Mizoroki-Heck reaction was realized in excellent enantioselectivity.
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Nanocomposite hydrogels based on liquid crystalline brush-like block copolymer-Au nanorods and their application in H2O2 detection

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12174-12177
DOI: 10.1039/C5CC02559A, CommunicationChi Thanh Nguyen, Rajeswari M. Kasi
The nanocomposite hydrogel from liquid crystalline brush-like block copolymers and gold nanorods is developed, which is used to develop a simple and reproducible method to detect H2O2.
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Improving mediated electron transport in anodic bioelectrocatalysis

19 July, 2015 - 08:54

Chem. Commun., 2015, 51,12170-12173
DOI: 10.1039/C5CC03188E, CommunicationLe Tao, Haibo Wang, Mingshi Xie, Larissa Thia, Wei Ning Chen, Xin Wang
A microbial fuel cell loaded with bio-cocatalyst beads immobilized with recombinant riboflavin-secreting Escherichia coli shows significantly enhanced performance.
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Rhodium(III)-Catalyzed Oxidative Bicyclization of 4-Arylbut-3-yn-1-amines with Internal Alkynes Through C-H Functionalization

17 July, 2015 - 08:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05093F, CommunicationRui Pi, Ming-Bo Zhou, Yuan Yang, Cai Gao, Ren-Jie Song, Jin-Heng Li
A new Rh(III)-catalyzed oxidative bicyclization through C-H functionalization is presented. This reaction allows the selective assembly of diverse benzo[g]indoles from 4-arylbut-3-yn-1-amines and internal alkynes via a sequence of aromatic C(sp2)-H...
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Immobilization of molecular cobalt electrocatalyst by hydrophobic interaction with hematite photoanode for highly stable oxygen evolution

17 July, 2015 - 08:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05681K, CommunicationKhurram Joya, Natalia Morlanes, Edward Maloney, Valentin Rodionov, Kazuhiro Takanabe
A unique modification of a hematite photoanode with perfluorinated Co-phthalocyanine (CoFPc) by strong binding associated with hydrophobic interaction is demonstrated. The resultant molecular electrocatalyst - hematite photoanode hybrid material showed...
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C-F bond substitution via aziridinium ion intermediates

17 July, 2015 - 08:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC04723D, CommunicationAnnika Traff, Mario Janjetovic, Goran Hilmersson
Aliphatic C-F bonds in [small beta]-position to a nitrogen undergo extremely fast substitution reactions under the influence of lanthanum tris(hexamethyldisilazide). The substitution proceeds via an in situ generated aziridinium ion intermediate,...
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