Chem. Commun.

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One-Pot, Fast and Modular Approach to Alkyl- and Aryl Ketones via Sequential 1,2-Addition,Pd-Catalysed Cross-Coupling of Organolithium Reagents with Weinreb Amides

19 November, 2015 - 13:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08507A, CommunicationMassimo Giannerini, Carlos Vila, Valentin Hornillos, Ben L Feringa
An efficient sequential 1,2-addition/cross-coupling of Weinreb amides with two organolithium reagents is reported. This synthetic approach allows access to a wide variety of functionalized ketones in a modular way. The...
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Platinum nanoparticles encapsulated metal-organic frameworks for electrochemical detection of telomerase activity

19 November, 2015 - 13:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08418K, CommunicationJianping Lei, Pinghua Ling, Li Jia, Huangxian Ju
A simple and rapid electrochemical sensor is constructed for detection of telomerase activity based on the electrocatalysis of platinum nanoparticles (Pt NPs) encapsulated metal-organic frameworks (MOFs), which are synthesized by...
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Improved oxidation of aromatic and aliphatic hydrocarbons using rate enhancing variants of P450Bm3 in combination with decoy molecules

19 November, 2015 - 13:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC09247G, CommunicationSamuel D Munday, Osami Shoji, Yoshihito Watanabe, Luet Lok Wong, Stephen G Bell
Enzyme performance can be improved using decoy molecules or engineered variants to accelerate the activity without affecting selectivity. Here we combine a rate accelerator variant of cytochrome P450Bm3 with decoy...
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Palladium-catalyzed C-H bond Carboxylation of acetanilides: an efficient usage of N, N-dimethyloxamic acid as the carboxylation source

19 November, 2015 - 13:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC07890C, CommunicationYinuo Wu, cheng jiang, Deyan Wu, Qiong Gu, Zhang-Yi Luo, Hai-Bin Luo
N, N-dimethyloxamic acid was successfully employed as carboxylation precursors in the palladium-catalyzed direct C-H carboxylation of acetanilides. The reaction proceeds smoothly under mild condition over a broad range of substrates...
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Nanoparticles self-assembled from multiple interactions: a novel near-infrared fluorescent sensor for detection of serum albumin in human sera and turn-on live-cell imaging

19 November, 2015 - 13:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC08154H, CommunicationYongqian Xu, Xiaopeng Fan, Qingyuan He, Shiguo Sun, Hongjuan Li, yuxin pei
A novel pyrene-conjugated squaraine fluorescent probe SQ-P, which could self-assemble into nanoparticles in aqueous solution through multiple interactions, was designed to selectively detect serum albumin with turn-on response in near...
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Rapid formation of a stable boron-nitrogen heterocycle in dilute, neutral aqueous solution for bioorthogonal coupling reactions

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16992-16995
DOI: 10.1039/C5CC07453C, CommunicationOzlem Dilek, Zhen Lei, Kamalika Mukherjee, Susan Bane
Reaction of 2-formylphenylboronic acid with an aromatic hydrazine does not product the expected hydrazone, but rather a boron-containing aromatic heterocycle. The characteristics of the reaction are highly desirable for bioconjugations.
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Stabilizing bijels using a mixture of fumed silica nanoparticles

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16984-16987
DOI: 10.1039/C5CC07346D, CommunicationDongyu Cai, Paul S. Clegg
We demonstrate the fabrication of bicontinuous pickering emulsions (bijels) using "off the shelf" particles.
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Anion-specific aggregation induced phosphorescence emission (AIPE) in an ionic iridium complex in aqueous media

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16924-16927
DOI: 10.1039/C5CC07187A, CommunicationGuangfu Li, Wei Guan, Shuang Du, Dongxia Zhu, Guogang Shan, Xiaojuan Zhu, Likai Yan, Zhongmin Su, Martin R. Bryce, Andrew P. Monkman
Efficient aggregation-induced-phosphorescent-emission (AIPE) of an ionic Ir(III) complex occurs when the counterion (PF6-) is exchanged specifically by ClO4- in aqueous media. As a result, a rapid, highly selective "turn-on" phosphorescent response to ClO4- is observed in aqueous media.
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Covalent functionalization of N-doped graphene by N-alkylation

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16916-16919
DOI: 10.1039/C5CC06285C, CommunicationM. Barrejon, A. Primo, M. J. Gomez-Escalonilla, Jose Luis G. Fierro, H. Garcia, F. Langa
N-Functionalization of N-graphene is described by the first time. It can be efficiently achieved combining phase transfer catalysis and microwave irradiation. The influence of functionalization on the optical band gap is studied.
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A Ni(I)Fe(II) analogue of the Ni-L state of the active site of the [NiFe] hydrogenases

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16988-16991
DOI: 10.1039/C5CC05881C, CommunicationCarlo U. Perotto, George Marshall, Graham J. Jones, E. Stephen Davies, William Lewis, Jonathan McMaster, Martin Schroder
[Ni(L1)Fe(tBuNC)4]+ is an unprecedented Ni(I)Fe(II) species that reproduces the electronic configuration of the Ni-L state of the [NiFe] hydrogenases.
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Nucleus-staining with biomolecule-mimicking nitrogen-doped carbon dots prepared by a fast neutralization heat strategy

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16956-16959
DOI: 10.1039/C5CC06304C, CommunicationYan-Fei Kang, Yang-Wu Fang, Yu-Hao Li, Wen Li, Xue-Bo Yin
Biomolecule-mimicking nitrogen-doped carbon dots were synthesized from dopamine for nucleus-staining by a neutralization heat strategy.
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Pre-concentration and energy transfer enable the efficient luminescence sensing of transition metal ions by metal-organic frameworks

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16996-16999
DOI: 10.1039/C5CC06453H, CommunicationXinping Lin, Yahui Hong, Chao Zhang, Ruiyun Huang, Cheng Wang, Wenbin Lin
The 2,2[prime or minute]-bipyridyl moieties in designer MOFs pre-concentrate metal ion analytes and transfer energy to lanthanide reporters for luminescence sensing.
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A cross reactive sensor array to probe divalent metal ions

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16948-16951
DOI: 10.1039/C5CC05489C, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.A. M. Mallet, A. B. Davis, D. R. Davis, J. Panella, K. J. Wallace, M. Bonizzoni
A simple sensing ensemble was designed to discriminate structurally similar divalent metal chlorides utilizing multivariate data analysis.
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Asymmetric bromine-lithium exchange: on the importance of both the diamine ligand and the organolithium reagent

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16912-16915
DOI: 10.1039/C5CC06548H, CommunicationJezabel Praz, Julien Graff, Leo Egger, Laure Guenee, Simon Wagschal, E. Peter Kundig, Alexandre Alexakis
The asymmetric bromine-lithium exchange on a series of prochiral biphenyls was investigated.
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Diversity-oriented synthesis of tetrathia[8]circulenes by sequential C-H borylation and annulation

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16944-16947
DOI: 10.1039/C5CC06921A, CommunicationShohei Kato, Yuma Serizawa, Daisuke Sakamaki, Shu Seki, Yoshihiro Miyake, Hiroshi Shinokubo
We have succeeded in the diversity-oriented synthesis of tetrathia[8]circulenes by sequential C-H borylation and annulation from cyclic tetrathiophene.
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Unified synthesis of tirandamycins and streptolydigins

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,17004-17007
DOI: 10.1039/C5CC07749D, CommunicationHikaru Yoshimura, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama
The comprehensive approach to tirandamycin and streptolydigin antibiotics has been developed utilizing a cinchona alkaloid-catalyzed asymmetric Morita-Baylis-Hillman reaction.
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Cyclization of sulfide, ether or tertiary amine-tethered N-sulfonyl-1,2,3-triazoles: a facile synthetic protocol for 3-substituted isoquinolines or dihydroisoquinolines

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16968-16971
DOI: 10.1039/C5CC07511D, CommunicationYu Jiang, Run Sun, Qiang Wang, Xiang-Ying Tang, Min Shi
A novel cyclization reaction of sulfide, ether or tertiary amine-tethered N-sulfonyl-1,2,3-triazoles, has been developed, efficiently affording 3-substituted isoquinoline or dihydroisoquinoline derivatives.
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Atom-economical synthesis of a high silica CHA zeolite using a solvent-free route

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16920-16923
DOI: 10.1039/C5CC05980A, CommunicationXiong Wang, Qinming Wu, Chunyu Chen, Shuxiang Pan, Weiping Zhang, Xiangju Meng, Stefan Maurer, Mathias Feyen, Ulrich Muller, Feng-Shou Xiao
A high silica CHA zeolite is successfully synthesized in the presence of a low-cost template of N,N,N-dimethylethylcyclohexylammonium bromide under solvent-free conditions.
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Intracellular Zn2+ detection with quantum dot-based FLIM nanosensors

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,16964-16967
DOI: 10.1039/C5CC06676J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Consuelo Ripoll, Miguel Martin, Mar Roldan, Eva M. Talavera, Angel Orte, Maria J. Ruedas-Rama
Fluorescence Lifetime Imaging Microscopy (FLIM) has been employed for the detection of intracellular Zn2+ levels, implicated in various signalling pathways, using a family of quantum dot (QD) nanosensors.
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Platinum(0) olefin complexes of a bulky terphenylphosphine ligand. Synthetic, structural and reactivity studies

19 November, 2015 - 13:54

Chem. Commun., 2015, 51,17008-17011
DOI: 10.1039/C5CC07308A, CommunicationLaura Ortega-Moreno, Riccardo Peloso, Celia Maya, Andres Suarez, Ernesto Carmona
A novel terphenylphosphine PMe2ArDipp2 (1) (Dipp = 2,6-iPr2C6H3) forms stable Pt(0) complexes with ethene and 3,3-dimethylbut-1-ene that behave as sources of the reactive Pt(PMe2ArDipp2) fragment.
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