Royal Society of Chemistry

Evidence for the Interaction Between tBuOK and 1,10 Phenanthroline to form the 1,10 Phenanthroline Radical Anion: A Key Step for the Activation of Aryl Bromides by Electron Transfer

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07299E, CommunicationHong Yi, Anny Jutand, Aiwen Lei
The base-promoted direct arylation of unactivated aromatic C-H bonds has gained much interest and is widely developed, while the mechanism is less explored. In this work, electron paramagnetic resonance and...
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Direct and metal-free arylsulfonylation of alkynes with sulfonylhydrazides for the construction of 3-sulfonated coumarins

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08117J, CommunicationHua Wang, Wei Wei, Jiangwei Wen, Daoshan Yang, Mengyuan Guo, Yingying Chen, Jinmao You
A novel and metal-free procedure has been developed for the construction of 3-sulfonated coumarins via the direct difunctionalization of alkynoates with sulfonylhydrazides. The present protocol, which simply utilizes TBAI as...
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Multiple and Configurable Optical Logic Systems Based on Layered Double Hydroxides and Chromophore Assemblies

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08069F, CommunicationWen ying Shi, Yi Fu, Zhi Xiong Li, Min Wei
Multiple and configurable fluorescence logic gates were fabricated via self-assembly of layered double hydroxides and various chromophores. These logic gates were operated by observation of different emissions with the same...
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Long-term Thiol Monitoring in Living Cells Using Bioorthogonal Chemistry

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08396B, CommunicationLei Rong, Chi Zhang, Qi Lei, Hua-Ling Sun, Si-Yong Qin, Jun Feng, Xian-Zheng Zhang
Intracellular thiols paly vital roles in living systems, the in situ monitoring of which is of great importance. Here, we report on a bioorthogonal chemistry based fluorescence probe, which is...
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Synthesis of Unsymmetrical N-Carboranyl NHCs: Directing Effect of the Carborane Anion

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08267B, CommunicationMatthew J. Asay, Steven P. Fisher, Sarah E. Lee, Dan Borchardt, Fook S Tham, Vince Lavallo
The syntheses of unsymmetrical N-Heterocyclic Carbenes (NHCs) that contain a single N-bound icosahedral carborane anion substituent are reported. Both anionic C-2 and doubly deprotonated dianionic C-2/C-5 NHC lithium complexes are...
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Choline phosphate functionalized surface: protein-resistant but cell-adhesive zwitterionic surface potential for tissue engineering

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08681C, CommunicationXingyu Chen, Tianchan Chen, Zaifu Lin, Xian'e Li, Wei Wu, Jianshu Li
Choline phosphate (CP) modified surface is designed to resist protein adsorption due to its zwitterionic property and simultaneously promote cell adhesion though its universal interaction with phosphate choline (PC) headgroups...
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High adsorptive properties of covalent triazine-based frameworks (CTFs) for surfactants from aqueous solution

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06393G, CommunicationAsamanjoy Bhunia, Subarna Dey, Maria Bous, Chenyang Zhang, Wolfgang von Rybinski, Christoph Janiak
Carbonaceous covalent triazine-based frameworks from 1,4-dicyanobenzene (CTF-1) can adsorb up to about 4 g/g of the surfactants alkyl polyglycolether, C12EO7 and sodium dodecylsulfate, SDS from aqueous solution (c = 8.0...
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Polysubstituted Cyclopenta[b]indoles via Relay Gold(I)/Bronsted Acid Catalysis

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08174A, CommunicationS. S. V. Ramasastry, Seema Dhiman
An efficient relay catalytic process involving Au(I)/Bronsted acid to access various polysubstituted cyclopentannulated indoles from easily accessible 1-(2-aminophenyl)prop-2-ynols and readily available 1,3-dicarbonyls has been developed. In an unprecedented event, the...
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A novel fluorene-based aggregation-induced emission (AIE)-active gold(I) complex with crystallization-induced emission enhancement (CIEE) and reversible mechanochromism characteristics

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08087D, Communicationzhao chen, Jing Zhang, ming song, Jun Yin, Guang-Ao Yu, Shenghua Liu
A new fluorene-based AIE-active gold(Ι) complex was designed and synthesized. The novel luminogen exhibits a crystallization-induced emission enhancement (CIEE) effect and reversible mechanochromic behavior with fluorescent changes between green and...
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Bifunctional Covalent Organic Frameworks with Two Dimensional Organocatalytic Micropores

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07104B, CommunicationRahul Banerjee, Digambar B Shinde, Sharah G K, Pradip Pachfule, Rahul Raya Kumar
We report the successful incorporation of bifunctional (acid/base) catalytic sites in crystalline organocatalytic porous COF (2,3-DhaTph). Due to the presence of acidic (catachol) and basic (porphyrin) sites, 2,3-DhaTph shows significant...
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DNA photocleavage in anaerobic conditions by a Ru(II) complex: a new mechanism

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06552B, CommunicationYue Zheng, Qian-Xiong Zhou, Wan-Hua Lei, Yuan-Jun Hou, Ke Li, Yong-Jie Chen, Bao-Wen Zhang, Xuesong Wang
[Ru(bpy)2(py-SO3)]+ (bpy = 2,2'-bipyridine and py-SO3 = pyridine-2-sulfonate) was found to undergo py-SO3 dissociation upon visible light irradiation ([greater-than-or-equal]470 nm) via Ru-O homolysis, producing reactive free radical species and therefore...
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CO2 and Temperature Dual Responsive "Smart" MXene Phases

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07220K, Communicationjing chen, Ke Chen, Dingyi Tong, Youju Huang, Jiawei Zhang, Jianming Xue, Qing Huang, Tao Chen
A robust strategy is explored to graft poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) brushes from two-dimensional materials of vanadium carbides (V2C) through self-initiated photografting and photopolymerization (SIPGP). CO2 and temperature dual responsive properties...
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Magnetic Cellulose/TiO2 Nanocomposite Microspheres for Highly Selective Enrichment of Phosphopeptides

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08442J, CommunicationJiangjiang Duan, Xiao-Mei He, L. Zhang
A novel magnetic cellulose/TiO2 nanocomposite microspheres with high surface area and magnetic susceptibility were fabricated, which exhibited remarkably selective enrichment of trace phosphopeptides from peptides mixture.
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A robust and modular synthesis of ynamides

Chem. Commun. - 10 November, 2014 - 18:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07876D, CommunicationSteven J. Mansfield, Craig D. Campbell, Michael W. Jones, Edward A. Anderson
A flexible, modular ynamide synthesis is reported that uses a wide range of amides and electrophiles, including acyclic carbamates, hindered sulfonamides, and aryl amides.
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Visual Detection of Ca2+ Based on Aggregation-induced Emission of Au(I)-Cys Complexes with Superb Selectivity

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07592G, Communicationyahui guo, Xiaoyan Tong, Liya Ji, Zhili Wang, Hongyan Wang, Jiming Hu, Renjun Pei
A label-free optical probe was developed for Ca2+ detection based on the aggregation-induced emission property of Au(I)-thiolate complexes. Upon incubation with Ca2+, the Au(I)-cysteine complexes rapidly aggregated through Cys-Ca2+ interaction,...
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Pt-free solar driven photoelectrochemical hydrogen fuel generation using 1T MoS2 co-catalyst assembled CdS QDs/TiO2 photoelectrode

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07304E, CommunicationRaja Rajendran, Sudhagar Pitchaimuthu, Anitha Devadoss, Chiaki Terashima, Lok Kumar Shrestha, Katsuhiko Ariga, Kazuya Nakata, R. Jayavel, A Fujishima
The solar to hydrogen generation from TiO2-CdS-ZnS-MoS2 (TCZM) hetrointerface was demonstrated. We found that Pt free CdS quantum dot sensitized TiO2 mesoporous electrode with metallic-type 1T MoS2 co-catalyst resulted 0.11...
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Central-axial-central chirality transfer: Asymmetric synthesis of highly substituted indenes bearing a stereogenic quaternary carbon center from optically active propargyl alcohols

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08034C, CommunicationMasahiro Egi, Kaori Shimizu, Marin Kamiya, Yuya Ota, shuji akai
An asymmetric synthesis of highly substituted indenes 3, bearing a quaternary stereogenic carbon center, has been developed via the central-axial-central chirality transfer from optically active propargyl alcohols 1. This transformation...
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A Straightforward Alkynylation of Li and Mg Metalated Heterocycles with Sulfonylacetylenes

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07574A, CommunicationLeyre Marzo, Ignacio Perez, Franscisco Yuste, Jose Aleman, Jose Luis Garcia Ruano
Coupling of alkynyl moieties to heterocyclic rings, without using transition metals, can be easily performed by reaction of aryl or heteroaryl sulfonylacetylenes with heteroaryl-Li compounds or their corresponding less reactive...
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Tuning intramolecular electron and energy transfer processes in novel conjugates of La2@C80 and electron accepting subphthalocyanines

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08072F, CommunicationLai Feng, Marc Rudolf, Olga Trukhina, Zdenek Slanina, Filip Uhlik, Xing Lu, Tomas Torres, Dirk M. Guldi, Takeshi Akasaka
A series of two conjugates with La2@C80 and subphthalocyanine (SubPc) have been prepared and characterized by means of cyclic voltammetry, absorption, fluorescence, and femtosecond resolved transient absorption spectroscopy. The strong...
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Single primer-triggered isothermal amplification for double-stranded DNA detection

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07845D, CommunicationCuiping Ma, Dianang Han, Meilian Deng, Jingfei Wang, Chao Shi
Here we have devised a new generation of isothermal double-stranded DNA (dsDNA) detection method, termed single primer-triggered isothermal amplification (SAMP). It is very simple only requiring one primer and a...
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