Chem. Commun.

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Mild and metal-free oxy- and amino-fluorination for the synthesis of fluorinated heterocycles

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05027D, CommunicationDixit Parmar, Magnus Rueping
An intramolecular fluoro-cyclisation reaction of benzylic alcohols and amines under mild conditions has been developed. The reaction proceeds in the absence of any metal catalyst or base and provides access to fluorinated isobenzofurans and isoindolines with good yields and modest diastereoselectivity.
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Wide visible-light-responsive tunneled MgTa2O6-xNx photocatalyst for water oxidation and reduction

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06682K, CommunicationShanshan Chen, Yu Qi, Guiji Liu, Jingxiu Yang, Fuxiang Zhang, Can Li
We first demonstrate that nitrogen-doped tunneled oxide MgTa2O6-xNx with an absorption edge of ca. 570 nm can drive both water oxidation and reduction half reactions in the presence of scavengers...
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Highly Efficient Conductivity Modulation of Cinnamate-Based Light-Responsive Ionic Liquids in Aqueous Solutions

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04274C, CommunicationJie Yang, Huiyong Wang, Jianji Wang, Yue Zhang, Zhongjia Guo
A new class of cinnamate-based light-responsive ionic liquids was synthesized and characterized, and those ionic liquids with longer alkyl chain showed remarkable increase in ionic conductivity under UV light irradiation...
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Ultrafast Energy Transfer in a Pd(II)-Bridged Bisporphyrin Dyad

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05898D, CommunicationPierre D Harvey, Adam Langlois, Mohammed Abdelhameed, Paul-Ludovic Karsenti, Sebastien Richeter, Romain Ruppert
A free base porphyrin/zinc(II)porphyrin dyad bridged by a Pd(II) unit exhibits an ultrafast S1 energy transfer (1.5 x 10exp12 s-1) due to a significant MO couplings between the acceptor and...
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Correction: Efficient delivery of siRNAs by a photothermal approach using plant flavonoid-inspired gold nanoshells

29 September, 2014 - 09:17
Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC90400A, CorrectionEun Hye Jeong, Ji Hyun Ryu, Hansaem Jeong, Bora Jang, Ho Yeon Lee, Seonki Hong, Haeshin Lee, Hyukjin Lee
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A dual functional AEE fluorogen as a mitochondrial-specific bioprobe and an effective photosensitizer for photodynamic therapy

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07128J, CommunicationEngui Zhao, Haiqin deng, Sijie Chen, Yuning Hong, Wai Tung Leung, Jacky Wing Yip Lam, Ben Zhong Tang
We report a dual functional aggregation-enhanced emission (AEE) molecule, TPE-IQ, which could target and illuminate mitochondria in both live and fixed cells with superb selectivity and high signal-to-noise ratio. More...
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Tracing Phosphate Ions Generated During DNA Amplification and Its Simple Use for Visual Detection of Isothermal Amplified Products

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06973K, CommunicationFang Zhang, Rui Wang, Liu Wang, Jian Wu, Y. Ying
A yes/no answer for DNA isothermal amplification can be visually obtained with this phosphate ions-based method described in this paper. An extremely rapid detection for cross-priming isothermal amplification was proved...
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Carbon-Centered Scavenger Radicals Add Reversibly to Histidine - Implications

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05316H, CommunicationThomas Nauser, Anna Carreras
Carbon-centered radicals of alcohols commonly used as hydroxyl radical scavengers (MeOH, EtOH, i-PrOH and t-BuOH) add reversibly to histidine with equilibrium constants up to 3 [times] 10^3 M-1 and rate...
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Disulfide reshuffling triggers the release of a thiol-free anti-HIV agent to make up fast-acting, potent macromolecular prodrugs

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04280H, CommunicationAnders Kock, Kaja Zuwala, Anton Smith, Pau Ruiz-Sanchis, Benjamin Wohl, Martin Tolstrup, Alexander Zelikin
The release of azidothymidine from macromolecular prodrugs was designed to respond to the intracellular disulfide reshuffling. This drug has no thiol groups, and a response to this trigger was engineered...
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Polaron stability in semiconducting polymer neat films

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06193D, CommunicationDaniel Scott Beatrup, Jessica Wade, Laure Biniek, Hugo Bronstein, Michael Hurhangee, Ji-Seon Kim, James Durrant, Iain McCulloch
We describe a spectroelectrochemical approach to accelerated electrochemical stability studies of conjugated polymers under oxidative stress. The polaron stabilities of alternating copolymers based on (i) thiophene and thiazole, namely PTTz,...
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Diketopyrrolopyrrole-bitellurophene containing conjugated polymer and its high performance thin-film transistor sensor for bromine detection

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06531J, CommunicationMatinder Kaur, Dae Hee Lee, Da Seul Yang, Hyun Ah Um, Min Ju Cho, Ju Sik Kang, Dong Hoon Choi
A new bitellurophene-based [small pi]-conjugated polymer, (PDPPBTe) was synthesized and its semiconducting property was utilized for detecting Br2. The PDPPBTe polymer exhibited a highly sensitive response to Br2, which was indicated...
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Correction: Copper-mediated intramolecular oxidative C-H/N-H cross-coupling of [small alpha]-alkenoyl ketene N,S-acetals to synthesize pyrrolone derivatives

29 September, 2014 - 09:17
Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC90399D, CorrectionFei Huang, Ping Wu, Liandi Wang, Jiping Chen, Chenglin Sun, Zhengkun Yu
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Equilibrium Crossing Exhibited by Ethynylhelicene (M)-Nonamer during Random-Coil-to-Double-Helix Thermal Transition in Solution

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06955B, CommunicationMasamichi Miyagawa, Atsushi Yagi, Masanori Shigeno, Masahiko Yamaguchi
When a toluene solution of ethynylhelicene (M)-nonamer is cooled and heated between 95 and 5 [degree]C at a constant rate, molecular thermal hysteresis. i.e., different courses of the structure change...
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Correction: Genetically encoded unstrained olefins for live cell labeling with tetrazine dyes

29 September, 2014 - 09:17
Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC90401J, CorrectionYan-Jiun Lee, Yadagiri Kurra, Yanyan Yang, Jessica Torres-Kolbus, Alexander Deiters, Wenshe R. Liu
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I2-Catalyzed Oxidative C(sp3)-H/S-H Coupling:Utilizing Alkanes and Mercaptans as the Nucleophiles

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05661B, CommunicationJiwen Yuan, Xu Ma, Hong Yi, Chao Liu, Aiwen Lei
By using alkanes and mercaptans as the nucleophiles, di-tert-butyl peroxide (DTBP) as the oxidant, I2-catalyzed oxidative C(sp3)-H/S-H coupling was achieved. This protocol provided a novel process to construct C(sp3)-S bond...
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Recent development on the synthetic methods of guanidines via transition metal catalysis

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05291A, Feature ArticleWen-Xiong Zhang, Ling Xu, Zhenfeng Xi
Multi-substituted guanidines have received much attention because of their important applications in many fields, such as pharmaceutics, organometallic and coordination chemistry, and organic synthesis. Although classical methods are available for...
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Ruthenium-catalyzed highly regio- and stereoselective hydroarylation of aromatic sulfoxides with alkynes via C-H bond activation

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06426G, CommunicationMasilamani Jeganmohan, Kishor Padala
Chelation-assisted alkenylation at the ortho C H bond of aromatic sulfoxides with alkynes in the presence of ruthenium catalyst, AgSbF6 and pivalic acid yielding trisubstituted alkenes in good to excellent...
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Reduction-Triggered Aromatic to Aromatic Electronic Structure Switching in a Tribenzotetraazachlorin-Fullerene Conjugate

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04689G, CommunicationTakamitsu Fukuda, Jun Sato, Naoaki Hashimoto, Nagao Kobayashi
Electronic absorption spectral changes observed during sodium reduction of tribenzotetraazachlorin-fullerene (TBTAC-C60) conjugates and the corresponding TBTAC derivatives as the reference compounds have clarified that electronic communication between the TBTAC and...
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Polymer self-assembly: a web themed issue

29 September, 2014 - 09:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC90367F, EditorialFeihe Huang, Rachel O'Reilly, Steven C. Zimmerman
Guest editors Feihe Huang, Rachel O'Reilly and Steven C. Zimmerman introduce this web collection highlighting recent achievements in the field of polymer self-assembly.
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Copper-Catalyzed Cascade Cyclization of 1,7-Enynes with Aromatic Sulfonyl Chlorides toward Benzo[j]phenanthridin-6(5H)-ones

29 September, 2014 - 09:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06913G, CommunicationJin-Heng Li, Yu Liu, Jia-Ling Zhang, Ming-Bo Zhou, Ren-Jie Song
A step-economic method for the cascade cyclization of 1,7-enynes with aromatic sulfonyl chlorides by using a low-cost and more abundant Cu catalyst is presented. This method allows access to benzo[j]phenanthridin-6(5H)-ones...
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