Chem. Commun.

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A masked diboron in Cu-catalysed borylation reaction: highly regioselective formal hydroboration of alkynes for synthesis of branched alkenylborons

4 July, 2014 - 10:54

Chem. Commun., 2014, 50,8299-8302
DOI: 10.1039/C4CC01757A, CommunicationHiroto Yoshida, Yuki Takemoto, Ken Takaki
Cu-catalysed [small alpha]-selective formal hydroboration of alkynes by use of a masked diboron and its application to total synthesis of pharmacologically significant 1,1-disubstituted alkene derivatives are described.
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New frontiers in hybrid materials: noble metal nanoparticles - supramolecular gel systems

4 July, 2014 - 10:54

Chem. Commun., 2014, 50,8273-8286
DOI: 10.1039/C4CC00903G, Feature ArticleMassimo Cametti, Zoran Dzolic
Recent developments in hybrid materials composed of noble metal nanoparticles and supramolecular gels are reviewed, with particular emphasis on synthetic procedures, characterization and potential applications.
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Asymmetric Michael Addition of [small alpha]-Fluoro-[small alpha]-nitroalkanes to Nitroolefins: Facile Preparation of Fluorinated Amines and Tetrahydropyrimidines

2 July, 2014 - 10:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03513E, CommunicationJacek Kwiatkowski, Yixin Lu
An asymmetric Michael addition of [small alpha]-fluoro-[small alpha]-nitroalkanes to nitroolefins was developed, and the products were obtained in good chemical yields and with high stereoselectivities. Highly functionalized adducts provided ready access to...
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Highly enantioselective aza-Henry reaction with isatin N-Boc ketimines

2 July, 2014 - 10:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04051A, CommunicationMelireth Holmquist, Gonzalo Blay, Jose R Pedro
A highly enantioselective aza-Henry reaction with isatin N-Boc ketimines using a Cu(II)-BOX complex as catalyst is described. The reaction, which does not requires protection of the N1 atom, provides the...
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Optical control over bioactive ligands at supramolecular surfaces

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03184A, CommunicationJ. Voskuhl, S. Sankaran, P. Jonkheijm
Addressing whole protein and bacterial immobilization and their optical control on a [small beta]-cyclodextrin supramolecular platform.
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Platinum and indium sulfide-modified CuInS2 as efficient photocathodes for photoelectrochemical water splitting

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03634D, Communication Gunawan, Wilman Septina, Shigeru Ikeda, Takashi Harada, Tsutomu Minegishi, Kazunari Domen, Michio Matsumura
A highly efficient CuInS2-based photocathode for water reduction with a maximum applied bias photon-to-current efficiency of ca. 2% was prepared by using a novel In2S3 surface modifier.
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Role of water in metal catalyst performance for ketone hydrogenation: a joint experimental and theoretical study on levulinic acid conversion into gamma-valerolactone

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04401K, CommunicationCarine Michel, Jeremie Zaffran, Agnieszka M. Ruppert, Joanna Matras-Michalska, Marcin Jedrzejczyk, Jacek Grams, Philippe Sautet
Water is essential to attain good performance in a hydrogenation reaction with a ruthenium catalyst.
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A lithium-sulfur cathode with high sulfur loading and high capacity per area: a binder-free carbon fiber cloth-sulfur material

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03410D, CommunicationLixiao Miao, Weikun Wang, Keguo Yuan, Yusheng Yang, Anbang Wang
A high capacity per area (>7 mA h cm-2) sulfur cathode with high sulfur loading (6.7 mg cm-2) was fabricated by a simple method. An ingenuity method is adopted which can improve performance of Li-S battery by forming in-situ polysulfide ions.
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Progressive compression of 1,[small omega]-diammonium-alkanes inside a rigid crystalline molecular cage

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03866E, CommunicationDan Dumitrescu, Yves-Marie Legrand, Eddy Petit, Arie van der Lee, Mihail Barboiu
The compression of alkanes inside molecular capsules previously predicted by modelling and confirmed by spectroscopic studies is supported by the crystal structures of confined 1,[small omega]-diammonium-alkanes.
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Highly regioselective lithiation of pyridines bearing an oxetane unit by n-butyllithium

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03766A, CommunicationGuy Rouquet, David C. Blakemore, Steven V. Ley
The first regioselective ortho-lithiation at the 4-position of simple pyridine derivatives containing a 3-oxetane unit has been achieved using n-butyllithium as base. Electrophilic quenching of the resulting lithio species provides a rapid access to a broad range of new functionalized pyridine oxetane building blocks.
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Nanoassemblies driven by cyclodextrin-based inclusion complexation

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03131H, Feature ArticleYang Kang, Kun Guo, Bang-Jing Li, Sheng Zhang
Nanoassemblies driven by cyclodextrin-based inclusion complexation as functional nanomaterials.
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A nanoporous Ag(I)-MOF showing unique selective adsorption of benzene among its organic analogues

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03204G, CommunicationJun-Yan Cheng, Peng Wang, Jian-Ping Ma, Qi-Kui Liu, Yu-Bin Dong
A 3D porous Ag(I)-MOF which is able to reversibly absorb and separate benzene from its six-membered cyclic organic analogues is reported.
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Amine-functionalized MIL-101(Cr) with imbedded platinum nanoparticles as a durable photocatalyst for hydrogen production from water

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02994A, CommunicationMeicheng Wen, Kohsuke Mori, Takashi Kamegawa, Hiromi Yamashita
Pt nanoparticle imbedded NH2-MIL-101(Cr) acted as a recyclable photocatalyst for hydrogen production from water using RhB as a photosensitizer.
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Molecular tectonics based nanopatterning of interfaces with 2D metal-organic frameworks (MOFs)

2 July, 2014 - 10:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03622K, CommunicationMohamed El Garah, Artur Ciesielski, Nicolas Marets, Veronique Bulach, Mir Wais Hosseini, Paolo Samori
The nanostructuring of the graphite surface with 2DMOF, based on a combination of an acentric porphyrin tecton and a CoCl2 metallatecton, was achieved at the solid-liquid interface and characterized by scanning tunnelling microscopy.
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Dynamic covalent assembly of tribenzotriquinacenes into molecular cubes

30 June, 2014 - 09:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01794C, CommunicationStefanie Klotzbach, Thorsten Scherpf, Florian Beuerle
Molecular cubes constructed from catechol-functionalized tribenzotriquinacenes and 1,4-phenylene diboronic acids were synthesized in a one-pot procedure by crosslinking 20 individual components through a dynamic covalent approach.
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Self-assembled DNA nanostructures prepared by rolling circle amplification for the delivery of siRNA conjugates

30 June, 2014 - 09:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03834G, CommunicationCheol Am Hong, Bora Jang, Eun Hye Jeong, Hansaem Jeong, Hyukjin Lee
Large-scale preparation of DNA nanostructures for siRNA delivery has been achieved by an isothermal enzymatic amplification process.
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A new mild synthetic route to N-arylated pyridazinones from aryldiazonium salts

30 June, 2014 - 09:54

Chem. Commun., 2014, 50,8073-8076
DOI: 10.1039/C4CC03190C, CommunicationOuissam El Bakouri, Daniel Cassu, Miquel Sola, Teodor Parella, Anna Pla-Quintana, Anna Roglans
A mild method to synthesise N-arylated pyridazinones is described and its mechanism unravelled by DFT calculations and experimental techniques.
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A "turn on/off" scorpion biosensor targeting point mutation of SMN genes for diagnosis of spinal muscular atrophy

30 June, 2014 - 09:54

Chem. Commun., 2014, 50,8069-8072
DOI: 10.1039/C4CC03472D, CommunicationChung-An Chen, Chun-Chi Wang, Yen-Ling Chen, Yuh-Jyh Jong, Shou-Mei Wu
The principle of the scorpion-PCR for SMN1 and SMN2 genes which led to the development of a "turn on/ off" biosensor.
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Construction of fused- and spiro-oxa-[n.2.1] skeletons by a tandem epoxide rearrangement/intramolecular [3+2] cycloaddition of cyclopropanes with carbonyls

30 June, 2014 - 09:54

Chem. Commun., 2014, 50,8061-8064
DOI: 10.1039/C4CC02641A, CommunicationLu-Feng Wang, Zi-Fa Shi, Xiao-Ping Cao, Bao-Sheng Li, Peng An
Fused- and spiro-oxa-[n.2.1] skeletons could be constructed by a tandem epoxide rearrangement/intramolecular [3+2] cycloaddition of cyclopropanes with carbonyls.
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One-pot synthesis of nanocaterpillar structures via in situ nanoparticlization of fully conjugated poly(p-phenylene)-block-polythiophene

30 June, 2014 - 09:54

Chem. Commun., 2014, 50,7945-7948
DOI: 10.1039/C4CC02787F, CommunicationIn-Hwan Lee, Pitchamuthu Amaladass, Tae-Lim Choi
1D nanocaterpillar structures were spontaneously formed during the synthesis of fully conjugated poly(2,5-dihexyloxy-1,4-phenylene)-block-polythiophene due to the strong [small pi]-[small pi] interactions between the polythiophene blocks.
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