Chem. Commun.

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Decarboxylative acylation of indolines with [small alpha]-keto acids under palladium catalysis: facile strategy to 7-substituted indoles

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06929C, CommunicationIn Su Kim, Minyoung Kim, Neeraj Kumar Mishra, Jihye Park, Sangil Han, Youngmi Shin, Satyasheel Sharma, Youngil Lee, Eui-Kyung Lee, Jong Hwan Kwak
The palladium-catalyzed decarboxylative acylation of highly substituted indolines with [small alpha]-keto acids via C-H bond activation is described. This protocol provides efficient access to C7-carbonylated indoles known to have diverse biological...
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1,1,1,3,3,3-Hexafluoro-2-propanol (HFIP) as a novel and effective solvent to facilely prepare cyclodextrin-assembled materials

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06690A, CommunicationToshiyuki Kida, Shin-ichiro Sato, Hiroaki Yoshida, Ayumi Teragaki, Mitsuru Akashi
We found that cyclodextrins (CDs) have a high solubility in 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP). Evaporating HFIP from CD solutions on a glass plate prepared crystalline solids composed of channel-type CD assemblies, and...
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A Ratiometric Fluorescent Probe for Sensing HOCl Based on Coumarin-rhodamine Dyad

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05976J, CommunicationYan-Ru Zhang, Xin-Peng Chen, Jing Shao, Jia-Yi Zhang, Qiong Yuan, Jun-Ying Miao, Bao-Xiang Zhao
We developed a ratiometric fluorescent probe for sensing HOCl based on coumarin and rhodamine acid which is directly used as a detection moiety. The probe shows high selectivity and sensitivity...
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Van der Waals interactions in the self-assembly of 5-amino[6]helicene on Cu(100) and Au(111)

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04338C, CommunicationHugo Ascolani, Maarten W. van der Meijden, Lucila J. Cristina, J. Esteban Gayone, Richard M. Kellogg, Javier D. Fuhr, Magali Lingenfelder
No H bonding for the amino group: van der Waals interactions guide the self-assembly of an aminohelicene on Cu(100) and Au(111).
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A water-soluble supramolecular polymer constructed by pillar[5]arene-based molecular recognition

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06971D, CommunicationBingbing Shi, Danyu Xia, Yong Yao
A water-soluble linear supramolecular polymer was efficiently constructed driven by pillar[5]arene-based host-guest molecular recognition.
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Hybrid membranes of metal-organic molecule nanocages for aromatic/aliphatic hydrocarbon separation by pervaporation

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05279J, CommunicationCui Zhao, Naixin Wang, Lin Wang, Hongliang Huang, Rong Zhang, Fan Yang, Yabo Xie, Shulan Ji, Jian-Rong Li
Hybrid membranes of metal-organic molecule nanocages were fabricated on a ceramic hollow tube by a simple immerse-coating method, which exhibit excellent pervaporation separation performances towards the aromatic-aliphatic hydrocarbon mixture.
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Catalytic enantioselective bromoamination of allylic alcohols

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05772D, CommunicationJuan Qi, Guo-Tao Fan, Jie Chen, Ming-Hui Sun, Yu-Ting Dong, Ling Zhou
The first enantioselective bromoamination of allylic alcohols has been developed using a newly designed quinine-thiourea catalyst.
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Direct core functionalisation of naphthalenediimides by iridium catalysed C-H borylation

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06522K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Catherine L. Lyall, Camilla C. Shotton, Monserrat Perez-Salvia, G. Dan Pantos, Simon E. Lewis
We report the first boron-substituted naphthalenediimides (NDIs), prepared by iridium catalysed C-H activation. Both mono- and diborylated products are available, which have been further elaborated by Suzuki-Miyaura coupling.
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Novel triarylamine-based polybenzoxazines with a donor-acceptor system for polymeric memory devices

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06385F, CommunicationLu-Chi Lin, Hung-Ju Yen, Chih-Jung Chen, Chia-Liang Tsai, Guey-Sheng Liou
Novel TPA-containing polybenzoxazines (PBs) with a donor-acceptor system were successfully prepared by the thermal curing reaction of the corresponding PB precursors. All the BPS-based polymers exhibited SRAM properties with retention times ranging from 2.5 to 12 min.
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Versatile palladium-catalyzed C-H olefination of (hetero)arenes at room temperature

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05827E, CommunicationZhijie She, Yang Shi, Yumin Huang, Yangyang Cheng, Feijie Song, Jingsong You
The room-temperature oxidative C-H/C-H cross-couplings between simple arenes and alkenes, coumarins or quinones have been reported by using a highly electrophilic palladium species [Pd(TFA)2] as the catalyst and cheap (NH4)2S2O8 as the oxidant under air.
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Fluorinated microporous organic polymers: design and applications in CO2 adsorption and conversion

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06423B, CommunicationZhen-Zhen Yang, Yanfei Zhao, Hongye Zhang, Bo Yu, Zhishuang Ma, Guipeng Ji, Zhimin Liu
Efficient CO2 adsorption and subsequent conversion were realized adopting fluorinated microporous organic polymers (F-MOPs) under mild conditions.
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A rapid and sensitive detection of HBV DNA using a nanopore sensor

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06135G, CommunicationFujun Yao, Yani Zhang, Yongfeng Wei, Xiaofeng Kang
The simplest single-molecule nanopore sensor can be used for the rapid and sensitive detection of pathogenic DNA at the single-base recognition level.
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A general and practical palladium-catalyzed monoarylation of [small beta]-methyl C(sp3)-H of alanine

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06652A, CommunicationKai Chen, Shuo-Qing Zhang, Jing-Wen Xu, Fang Hu, Bing-Feng Shi
Monoarylation of [small beta]-methyl C(sp3)-H of an alanine derivative with aryl iodides using an 8-aminoquinoline auxiliary has been described.
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A highly Lewis-acidic Pd(IV) surface on Pd@SiO2 nanocatalysts for hydroalkoxylation reactions

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05112B, CommunicationMijong Kim, Suyeon Lee, Kiseong Kim, Dongwoo Shin, Hyunwoo Kim, Hyunjoon Song
The Pd(IV) species, generated on the surface of Pd@SiO2 nanocatalysts via oxidation with iodobenzene dichloride (PhICl2) or N-chlorosuccinimide (NCS), showed high reactivity and superior stability for hydroalkoxylation reactions.
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Monocrystalline mesoporous metal oxide with perovskite structure: a facile solid-state transformation of a coordination polymer

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06101B, CommunicationLi Xu, Fan-Xing Bu, Ming Hu, Chuan-Yin Jin, Dong-Mei Jiang, Zhen-Jie Zhao, Qing-Hong Zhang, Ji-Sen Jiang
Monocrystalline mesoporous BiFeO3 crystals were obtained via a multi-step single-crystal to single-crystal transformation of a coordination polymer, Bi[Fe(CN)6][middle dot]4H2O.
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The crosslink enhanced emission (CEE) in non-conjugated polymer dots: from the photoluminescence mechanism to the cellular uptake mechanism and internalization

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05806B, CommunicationShoujun Zhu, Lei Wang, Nan Zhou, Xiaohuan Zhao, Yubin Song, Suraj Maharjan, Junhu Zhang, Laijin Lu, Haiyu Wang, Bai Yang
The crosslink enhanced emission (CEE) in a new type of non-conjugated polymer dots (PDs) is reported.
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Copper-Catalyzed Enantioselective 1,4-Addition of Alkyl Groups to N-Sulfonyl Imines

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07134D, CommunicationPaultheo von Zezschwitz, Johannes Westmeier
In copper(I)/phosphoramidite-catalyzed asymmetric 1,4-additions of dialkylzinc, N-sulfonyl imines are more reactive and furnish higher enantiomeric excesses than the respective cycloalk-2-enones. This enables formation of a quaternary stereocenter as well as...
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"One pot and selective intermolecular aryl- and heteroaryltrifluoromethylation of alkenes by photoredox catalysis"

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07066F, CommunicationAude Carboni, Guillaume DAGOUSSET, Emmanuel Magnier, Geraldine Masson
We report herein the first photoredox-catalyzed intermolecular aryl- and heteroaryltrifluoromethylation of alkenes. Under the optimized conditions using Umemoto's reagent as CF3 source, a wide range of styrenes can be readily...
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High performance surface-enhanced Raman scattering from dummy molecular imprinting onto silver microspheres

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06535B, Communicationxin li, Shaona Chen, Yuanyuan Zhao, Limin Chang, Jingyao Qi
A new strategy for high performance SERS was proposed by using dummy molecular imprinting technique. The obtained core-shell composite can effective improve the signal-to-noise ratio and the veracity of trace...
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Cu2O mesoporous spheres with high internal diffusion capacity and improved catalytic ability for aza-Henry reaction driven by visible light

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06869F, CommunicationJun Wang, Jingwen Ma, Xiaojie Li, Yang Li, Guoliang Zhang, Fengbao Zhang, Xiaobin Fan
Mesoporous Cu2O spheres with large pore size (LP-Cu2O) bring out the better performance towards photocatalytic aza-Henry reaction than Cu2O spheres with small pore size (SP-Cu2O). This work highlights the internal...
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