Royal Society of Chemistry

An Efficient Synthesis of Pyrido[1,2-a]indoles through Aza-Nazarov Type Cyclization

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08783F, CommunicationKarthikeyan Iyyanar, Arunprasath Dhanarajan, G Sekar
Transition metal free Bronsted acid mediated synthesis of biologically important pyrido[1,2-a]indole scaffolds through aza-Nazarov type cyclization of readily available diaryl(2-pyridyl)methanol using formic acid has been developed. This methodology has been...
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Heat-induced transformation of CdSe-CdS-ZnS core-multishell quantum dots by Zn diffusion into inner layers

Chem. Commun. - 1 December, 2014 - 00:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08647C, CommunicationAnil O. Yalcin, Bart Goris, Relinde J. A. van Dijk-Moes, Zhaochuan Fan, Ahmet K. Erdamar, Frans D. Tichelaar, Thijs J. H. Vlugt, Gustaaf Van Tendeloo, Sara Bals, Daniel Vanmaekelbergh, Henny W. Zandbergen, Marijn A. van Huis
CdSe-CdS-ZnS core-multishell quantum dots transform by Zn inner diffusion during in situ heating in the TEM.
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In situ helicity inversion of self-assembled nano-helices

Chem. Commun. - 1 December, 2014 - 00:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07972H, CommunicationRumi Tamoto, Nicolas Daugey, Thierry Buffeteau, Brice Kauffmann, Makoto Takafuji, Hirotaka Ihara, Reiko Oda
The handedness of nanometrical self-assembled helices was inverted when these helices were in contact with an excess solution of chiral anions with opposite enantiomers. An important difference in the kinetics of chirality inversion at the molecular level and mesoscopic level was observed.
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A Transition-Metal-Free, One-Pot Procedure for the Synthesis of [small alpha],[small beta]-Epoxy Ketones by Oxidative Coupling of Alkenes and Aldehydes by Base Catalysis

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09260K, CommunicationQingping Ke, Bingyan Zhang, Bolun Hu, Yangxin Jin, Guanzhong LU
A new strategy for the synthesis of epoxides is presented. This process allows the direct synthesis of epoxides from alkenes and aldehydes through C-H functionalization and C-C/C-O bond formation.
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Oxidative decomposition of Au25(SR)18 clusters in a catalytic context

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07832B, CommunicationTimothy Andrew Dreier, On Lo Andrea Wong, Christopher Jeffries Ackerson
Gold nanoparticle catalysis of chemical transformations has become a subject of intense interest over the past decade. In particular, Au25(SR)18 has emerged as a model catalyst. In an effort to...
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Transforming chitosan into N-doped graphitic carbon electrocatalysts

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09355K, CommunicationtianXing Wu, Guozhong Wang, Xian Zhang, Chun Chen, Yunxia Zhang, Huijun Zhao
Chitosan, the only alkaline polysaccharide in nature with rich nitrogen content, is used as the sole precursor to obtain N-doped graphitic carbon-based ORR electrocatalyst. The findings of this work demonstrate...
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C6 Picoloyl Protection: a Remote Stereodirecting Group for 2-Deoxy-beta-Glycoside Formation

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08465A, CommunicationKwok-Kong Tony Mong, Jyh-Herng Ruei, Arun Ingle, Venu Kumar Patteti
We reported a remote control glycosylation method using the picoloyl protecting group for 2-deoxy-beta-glycosidic bond formation. The method is applicable to various 2-deoxythioglycosyl donors and the utility is illustrated by...
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A novel hydrophilic polymer-brush pattern for site-specific capture of blood cells from whole blood

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09096A, CommunicationJianwen Hou, Qiang Shi, Wei Ye, Qungfu Fan, Hengchong Shi, Shing-Chung Wong, Xiaodong Xu, Jinghua Yin
A novel hydrophilic PAMPS/PAAm brushes pattern is fabricated to selectively capture blood cells from whole blood. PAMPS brushes provide antifouling surfaces to resist proteins and cells adhesion while PAAm brushes...
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Troger's base-derived microporous organic polymer: design and applications in CO2/H2 capture and CO2 hydrogenation into formic acid

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08295H, CommunicationZhimin Liu, Zhen-Zhen Yang, Hongye Zhang, Bo Yu, Yanfei Zhao, Guipeng Ji
Troger's base-derived microporous organic polymers (TB-MOPs) were designed, which could adsorb CO2 and coordinate with Ru(III) complex. The resultant TB-MOP-Ru showed good performances for adsorbing CO2 and H2, and high...
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Capture and Release (CaR): A simplified procedure for one-tube isolation and concentration of single-stranded DNA during SELEX.

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08233H, CommunicationNasim Shahidi Hamedani, Fabian Blumke, Fabian Tolle, Falk Rohrbach, Heiko Ruhl, Johannes Oldenburg, Gunter Mayer, Bernd Potzsch, Jens Muller
Short biotinylated oligodeoxynucleotides immobilized on streptavidin-coated magnetic beads allow for convenient and rapid purification of single-stranded oligodeoxynucleotides from crude asymmetric PCR mixtures, facilitating the selection of DNA aptamers.
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Synthesis of enaminones and their difluoroboron complexes through domino aryl migration

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08257E, CommunicationZheng Yang, Bo Jiang, Wen-Juan Hao, Peng Zhou, Shu-Jiang Tu, Guigen Li
A new domino strategy for selective synthesis of enaminones and their difluoroboron complexes through aryl migration has been developed. The reaction features low-cost and readily accessible starting materials, reliable scalability,...
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In situ observation of the evaporation-induced self-assembling process of PS-b-PEO diblock copolymer for the fabrication of titania films by confocal laser scanning microscope

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08497G, CommunicationTatsuo Kimura, Morio Shintate, Nobuyoshi Miyamoto
Drying process of clear precursor solutions for fabricating highly porous titania films was observed by CLSM. Then, we succeeded in detecting the formation of micelles in the precursor solution containing...
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Combination of Fluoroalkylation and Kornblum-DeLaMare Reaction: A New Strategy for the Construction of (Z)-[small beta]-Perfluoroalkyl Enaminones

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07833K, CommunicationChunmei Liu, Erbo Shi, Feng Xu, Qiang Luo, Hongxiang Wang, Jijun Chen, xiaobing wan
A novel strategy has been developed for the highly chemo- and stereo-selective synthesis of (Z)-[small beta]-perfluoroalkyl enaminones from readily available starting materials via a multicomponent radical reaction involving sequential fluoroalkylation and...
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Droplet-assisted Fabrication of Porphyrin Colloidal Crystals from Flower-shaped Janus Particles

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08045A, CommunicationTing Wang, Shuoran Chen, Feng Jin, Jin-hua Cai, Liying Cui, Yongmei Zheng, Jingxia Wang, Yanlin Song, Lei Jiang
A facile fabrication of flower-shaped porphyrin Janus colloids with oriented arrangement was demonstrated based on the interfacial assembly and water droplet template. The colloidal crystals assembled from flower-shaped particles show...
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IMes-acac: hybrid combination of diaminocarbene and acetylacetonato sub-units into a new anionic ambidentate NHC ligand

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08641D, CommunicationVincent Cesar, Valentina Mallardo, Adela Nano, Georges Dahm, Noel Lugan, Guy Lavigne, Stephane Bellemin-Laponnaz
The mesoionic 5-acetylimidazolium-4-olate serves as precursor for an anionic, hydrid NHC, "IMes-acac", consisting of fused diaminocarbene and acetylacetonato units, whose respective coordination abilities are evaluated by the formation of a...
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Phosphorescent organoplatinum(II) complexes with a lipophilic anion: supramolecular soft nanomaterials through ionic self-assembly and metallophilicity

Chem. Commun. - 1 December, 2014 - 00:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08569H, CommunicationYong Chen, Chi-Ming Che, Wei Lu
In the ionic self-assembly of organoplatinum(II) complexes, the lipophilic anion dictates the polymer-like processability and the cation decides the light-emitting capability.
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P-P sigma-Bond Activation by Gold(I) Coordination

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09164G, CommunicationA Schulz, Alexander Hinz, Alexander Villinger
Bond activation by gold is of immanent interest with respect to catalytic activity. By coordination of an AuCl fragment onto the P-P sigma-bond of an azadiphosphiridine, the P-P bond is...
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Formal [3+2] cycloaddition of Ugi adducts towards pyrrolines.

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08282F, CommunicationLaurent El Kaim, Aurelie Dos Santos, Abderrahim Raoudha, Abdelbari Ben Abdessalem, Asma Agrebi, Andrew Komesky
Ugi adducts derived from aromatic aldehydes may be converted to pyrrolines via addition of Michael acceptors under microwave irradiation. The reaction may proceed via an unusual fomation of azomethine ylide...
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Nanoparticle-Blood Interaction: The Implications on Solid Tumour Targeting

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07644C, Feature ArticleJames Lazarovits, Yih Yang Chen, Edward A Sykes, Warren Che Wor Chan
Nanoparticles are platforms that are well suited for cancer targeting and diagnostic applications. However, on average, less than 5% of all nanoparticles accumulate in the tumour. Here we explore the...
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"Activation of carbon-supported catalysts by ozonized acidic solutions for the direct implementation in (electro-)chemical reactors"

Chem. Commun. - 1 December, 2014 - 00:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08480B, CommunicationClaudio Baldizzone, Stefano Mezzavilla, Nejc Hodnik, Aleksandar R. Zeradjanin, Aleksander Kostka, Ferdi Schuth, Karl Johann Jakob Mayrhofer
This work introduces a practical and scalable post-synthesis treatment for carbon-supported catalysts designed to achieve complete activation and, if necessary, simultaneously surface dealloying. The core-concept behind the method is to...
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