Chem. Commun.

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An organocatalytic cascade reaction of 2-nitrocyclohexanone and [small alpha],[small beta]-unsaturated aldehydes with unusual regioselectivity

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04298K, CommunicationYi-ning Xuan, Zhen-yu Chen, Ming Yan
An organocatalytic cascade reaction of 2-nitrocyclohexanone and [small alpha],[small beta]-unsaturated aldehydes was developed.
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Multifunctional upconverting nanoparticles for near-infrared triggered and synergistic antibacterial resistance therapy

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04584J, CommunicationMeili Yin, Zhenhua Li, Enguo Ju, Zhenzhen Wang, Kai Dong, Jinsong Ren, Xiaogang Qu
A novel nanomaterial with CuS nanoparticles decorated onto the surface of NaYF4:Mn/Yb/Er@photosensitizer doped SiO2 was synthesized for synergistic multidrug-resistant bacteria therapy.
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Supramolecular pyridyl urea gels as soft matter with antibacterial properties against MRSA and/or E. coli

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04028G, CommunicationThorfinnur Gunnlaugsson, Komala Pandurangan, Jonathan A Kitchen, Salvador Blasco, Francesca Paradisi
The synthesis and characterisation of novel aryl-pyridyl ureas is described, which form self-assembly structures via extended hydrogen bonding and [small pi]-[small pi] interactions in the solid state, and in selected cases, forms...
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A highly efficient thiazolylidene catalyzed acetoin formation: reaction, tolerance and catalyst recycling

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04831H, CommunicationYugen Zhang, Ting Lu, Liuqun Gu, Xiukai Li
An efficient acetoin formation from acetaldehyde was achieved under the thiazolylidene catalysis: High yields and TON were achieved; Its sufficient tolerance toward ethanol and moisture renders it a practical key...
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Incorporation of iron hydrogenase active sites into a highly stable metal-organic framework for photocatalytic hydrogen generation

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03946G, CommunicationKoroush Sasan, Qipu Lin, ChengYu Mao, Pingyun Feng
A highly active hydrogen photo-evolution system was developed through chemical bonding between iron hydrogenase active-sites and a light-harvesting MOF.
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Design of novel chiral N,N,O-tridentate phenanthroline ligands and its application to enantioselective addition of organozinc reagents to aldehydes

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05020G, CommunicationYuki Naganawa, Tomoya Namba, Tomotaka Aoyama, Kentaro Shoji, Hisao Nishiyama
The novel N,N,O-tridentate phenanthroline ligands (BinThro) bearing axially chiral binaphthyl backbone prepared from BINOL were found to be an effective chiral catalyst for enantioselective addition of diethylzinc to aromatic aldehydes...
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TBHP-promoted sequential radical silylation and aromatisation of aryl isonitriles with silanes

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04773G, CommunicationJin-Tao Yu, Lei Wang, Hui Zhu, Songjin Guo, Jiang Cheng
The tert-butyl hydroperoxide (TBHP) promoted sequential silylation and aromatization of isonitriles was developed, where the silyl was regioselectively installed onto the 6- position of phenanthridines. This procedure tolerates a series...
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Stereoselective [3+2] Cycloaddition of N-tert-Butanesulfinyl Imines to Arynes Facilitated by Removable PhSO2CF2 Group: Synthesis and Transformation of Cyclic Sulfoximines

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05042H, CommunicationWenchao Ye, Laijun Zhang, Chuanfa Ni, Jian Rong, Jinbo Hu
An unprecedented stereoselective [3+2] cycloaddition between N-tert-butanesulfinyl difluoro(phenylsulfonyl)methyl imines and arynes is disclosed, which provides a useful method for the synthesis of enantiopure cyclic sulfoximines. Not only does the difluoro(phenylsulfonyl)methyl...
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A novel fluorene-based gold(Ι) complex with aggregate fluorescence change: a single-component white light-emitting luminophor

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04469J, CommunicationShenghua Liu, zhao chen, Di Wu, xie han, jinhua liang, Jun Yin, Guang-Ao Yu
A new fluorene-based white light-emitting gold(Ι) complex with aggregate fluorescence change is reported. The novel luminogen which emits direct white light in the solid state without involving complex doping/mixing procedures...
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AgNO2-mediated direct nitration of quinoxaline tertiary benzylic C-H bond and direct conversion of 2-methyl quinoxalines into related nitriles

28 July, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01327A, CommunicationDegui Wu, Jian Zhang, Jianhai Cui, Wei Zhang, Yunkui Liu
A unique AgNO2-mediated direct nitration of quinoxaline tertiary C-H bond and direct conversion of 2-methyl quinoxalines into 2-quinoxaline nitriles under oxidative conditions has been developed. This protocol provides an efficient...
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Highly efficient photocatalytic hydrogen evolution by nickel phosphide nanoparticles from aqueous solution

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05026F, CommunicationShuang Cao, Yong Chen, Chuan-Jun Wang, Ping He, Wen-Fu Fu
Monodispersed Ni2P nanoparticles were applied to photocatalytic hydrogen evolution in aqueous acidic media, with high efficiency and good durability.
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The origins of cyanobactin chemistry and biology

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C3CC49252D, ViewpointMarcel Jaspars
Publication of the correct structure for ascidiacyclamide, a symmetrical patellamide, led to studies on the application and origins of these ribosomally produced compounds.
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Mild hypervalent iodine mediated oxidative nitration of N-aryl sulfonamides

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04738A, CommunicationUlrich Kloeckner, Boris J. Nachtsheim
An oxidative and acid-free method for the nitration of N-aryl sulfonamides has been developed using a combination of sodium nitrite as cheap and easy to handle NO2-source and the hypervalent iodine reagent PIFA as stoichiometric oxidant.
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Transforming polyethylenimine into a pH-switchable hydrogel by additional supramolecular interactions

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03281K, CommunicationM. Fleischer, C. Schmuck
Polyethylenimine, a liquid polymer, can be transformed into a dual pH-responsive hydrogel upon functionalization with a self-complementary zwitterion which introduces additional supramolecular crosslinks, but only around neutral pH.
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Stimuli responsive chiral liquid crystal phases of phenylboronic acid functionalized rodlike viruses and their interaction with biologically important diols

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04639K, CommunicationJun Cao, Shuaiyu Liu, Jie Xiong, Yingjun Chen, Zhenkun Zhang
M13 viruses decorated with phenylboronic acid moieties form pH-responsive chiral LC phases that are regulated by binding with biological diols.
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Silicon diatom frustules as nanostructured photoelectrodes

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04470C, CommunicationSoundarrajan Chandrasekaran, Martin J. Sweetman, Krishna Kant, William Skinner, Dusan Losic, Thomas Nann, Nicolas H. Voelcker
Semiconducting and high surface area 3D silicon diatom frustules prepared from abundantly available diatom fossils sustain photocurrents and enable solar energy conversion.
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DABCO-catalyzed ring opening of activated cyclopropanes and recyclization leading to [gamma]-lactams with an all-carbon quaternary center

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03392B, CommunicationShaoxia Lin, Ling Li, Fushun Liang, Qun Liu
A novel and efficient method for the construction of [gamma]-lactams with an all-carbon quaternary center is developed via a DABCO-catalyzed reaction of EWG-activated cyclopropanecarboxamides and electron-deficient alkenes.
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Blinking triggered by the change in the solvent accessibility of a fluorescent molecule

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC00377B, CommunicationKiyohiko Kawai, Takeshi Koshimo, Atsushi Maruyama, Tetsuro Majima
The more a fluorescent molecule is exposed to a solvent, the faster its triplet excited state is quenched by molecular oxygen.
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Highly cis-selective and lead-free hydrogenation of 2-hexyne by a supported Pd catalyst with an ionic-liquid layer

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04183F, CommunicationFrederick Schwab, Natascha Weidler, Martin Lucas, Peter Claus
Modifying a supported Pd catalyst by the ionic liquid [BMPL][DCA] to a SCILL system gave high selectivity and yield of cis-2-hexene even at full 2-hexyne conversion.
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Formation of a [2]pseudorotaxane based on a pillar[5]arene and a rigid guest in solution and in the solid state

28 July, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04319G, CommunicationYujuan Zhou, Zhengtao Li, Xiaodong Chi, Connor Thompson, Yong Yao
A pillar[5]arene with mono(ethylene oxide) groups could form a highly stable inclusion complex with a rigid guest both in solution and in the solid state. The association constant of this inclusion complex was determined to be (3.3 +/- 0.41) [times] 104 M-1 in acetonitrile.
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