Royal Society of Chemistry

Asymmetric hydrogenation of quinazolinium salts catalysed by halide-bridged dinuclear iridium complexes bearing chiral diphosphine ligands

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4380-4382
DOI: 10.1039/C5CC00258C, CommunicationYusuke Kita, Kosuke Higashida, Kenta Yamaji, Atsuhiro Iimuro, Kazushi Mashima
Asymmetric hydrogenation of 4-substituted quinazolinium salts catalyzed by dinuclear Ir complexes is described.
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Targeting G-quadruplex structures with extrinsic fluorogenic dyes: promising fluorescence sensors

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC10030A, Feature ArticleAchikanath C. Bhasikuttan, Jyotirmayee Mohanty
This article provides a brief account of the recent reports on the fluorescence properties of some of the fluorogenic dyes towards G-quadruplex DNAs, which have been turned into promising bio-analytical methods.
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Light sensitization of DNA nanostructures via incorporation of photo-cleavable spacers

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC00082C, CommunicationRichie E. Kohman, Xue Han
Using light irradiation as a trigger, large-scale structural reconfiguration of DNA nanostructures is demonstrated.
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Oxidative methane activation over yttrium stabilised zirconia

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09010A, CommunicationC. S. Cooper, R. J. Oldman, C. R. A. Catlow
Mechanism of C-H bond cleavage, involving electron transfer to adsorbed oxygen on YSZ by electronic structure calculations.
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Rh(II)-catalyzed cycloadditions of 1-tosyl 1,2,3-triazoles with 2H-azirines: switchable reactivity of Rh-azavinylcarbene as [2C]- or aza-[3C]-synthon

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4507-4510
DOI: 10.1039/C5CC00268K, CommunicationYuanhao Wang, Xiaoqiang Lei, Yefeng Tang
The Rh(II)-catalyzed formal [3+2] and [3+3] cycloadditions of 1-tosyl 1,2,3-triazoles with 2H-azirines have been developed, which enable the efficient synthesis of polysubstituted 3-amino-pyrroles and 1,2-dihydropyrazines, respectively.
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Formation of fluorescent supramolecular polymeric assemblies via orthogonal pillar[5]arene-based molecular recognition and metal ion coordination

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4503-4506
DOI: 10.1039/C5CC00535C, CommunicationBingbing Shi, Kecheng Jie, Yujuan Zhou, Danyu Xia, Yong Yao
A fluorescent supramolecular polymer was efficiently constructed by pillar[5]arene-based host-guest molecular recognition and zinc ion coordination.
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Anion recognition in water by a rotaxane containing a secondary rim functionalised cyclodextrin stoppered axle

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4499-4502
DOI: 10.1039/C5CC00171D, CommunicationMichal Rezanka, Matthew J. Langton, Paul D. Beer
The synthesis of a water soluble [2]rotaxane is reported using hydrophilic secondary rim functionalised permethylated [small beta]-cyclodextrin derivatives as the axle stopper groups. The rotaxane recognises halide anions in pure water with impressive selectivity over sulfate.
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A logic gate-based fluorescent sensor for detecting H2S and NO in aqueous media and inside live cells

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4414-4416
DOI: 10.1039/C4CC09737H, CommunicationPeisheng Zhang, Jun Li, Bowen Li, Jiangsheng Xu, Fang Zeng, Jun Lv, Shuizhu Wu
A single fluorescent probe herein can sensitively and selectively detect H2S and NO in solution and in cells by using a logic gate approach.
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Facile synthesis of mono- and bis-methylated Fmoc-Dap, -Dab and -Orn amino acids

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4496-4498
DOI: 10.1039/C4CC09780G, CommunicationFredrik Lindahl, Huy N. Hoang, David P. Fairlie, Matthew A. Cooper
A facile selective synthesis of mono and bis methylated Fmoc-Dap, -Dab and -Orn amino acids in a one-pot process.
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Fabrication of high-quality amorphous silicon film from cyclopentasilane by vapor deposition between two parallel substrates

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4417-4420
DOI: 10.1039/C4CC09026H, CommunicationZhongrong Shen, Takashi Masuda, Hideyuki Takagishi, Keisuke Ohdaira, Tatsuya Shimoda
Cyclopentasilane converts into amorphous silicon film between two parallel substrates under atmospheric pressure by thermal decomposition at 350-400 [degree]C, which combines the advantages of high throughput with cost reduction and high quality film formation.
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A high-performance nanoporous Si/Al2O3 foam lithium-ion battery anode fabricated by selective chemical etching of the Al-Si alloy and subsequent thermal oxidation

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4429-4432
DOI: 10.1039/C4CC09956G, CommunicationGaeun Hwang, Hyungmin Park, Taesoo Bok, Sinho Choi, Sungjun Lee, Inchan Hwang, Nam-Soon Choi, Kwanyong Seo, Soojin Park
We demonstrate a simple synthetic process of Si/Al2O3 foam particles by chemical etching and thermal oxidation.
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Cu2+ induced formation of Au44(SC2H4Ph)32 and its high catalytic activity for the reduction of 4-nitrophenol at low temperature

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4433-4436
DOI: 10.1039/C4CC08830A, CommunicationMan-Bo Li, Shi-Kai Tian, Zhikun Wu, Rongchao Jin
A novel nanocluster Au44(SC2H4Ph)32 exhibiting high catalytic activity at low-temperature was synthesized by an oxidation-decomposition-recombination (ODR) process.
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Coordination-driven self-assembly of an iridium-cornered prismatic cage and encapsulation of three heteroguests in its large cavity

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4492-4495
DOI: 10.1039/C4CC09494H, CommunicationNem Singh, Jae-Ho Jo, Young Ho Song, Hyunuk Kim, Dongwook Kim, Myoung Soo Lah, Ki-Whan Chi
An iridium-cornered nanometer-sized prismatic cage has been synthesized and characterized which allows three planar heteroguest molecules inside its cavity.
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Efficient direct 2,2,2-trifluoroethylation of indoles via C-H functionalization

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4488-4491
DOI: 10.1039/C5CC00519A, CommunicationGergely L. Tolnai, Anna Szekely, Zita Mako, Tamas Gati, Janos Daru, Tamas Bihari, Andras Stirling, Zoltan Novak
Metal free direct trifluoroethylation of unprotected indoles at position 3 via C-H functionalization is presented: straightforward synthesis and DFT studies.
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Thermodynamics of cellulose dissolution in an imidazolium acetate ionic liquid

Chem. Commun. - 50 min 38 sec ago

Chem. Commun., 2015, 51,4485-4487
DOI: 10.1039/C4CC10249E, CommunicationJ.-M. Andanson, A. A. H. Padua, M. F. Costa Gomes
Microcrystalline cellulose dissolves exothermally in acetate-based ionic liquids hence its solubility is thermodynamically less favored at higher temperatures.
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Copper-catalyzed direct [small alpha]-ketoesterification of propiophenones with acetophenones via C(sp3)-H oxidative cross-coupling

Chem. Commun. - 50 min 39 sec ago

Chem. Commun., 2015, 51,4372-4375
DOI: 10.1039/C4CC09524C, CommunicationJuan Du, Xiuli Zhang, Xi Sun, Lei Wang
A Cu-catalyzed direct [small alpha]-ketoesterification of propiophenones with acetophenones via C(sp3)-H oxidative cross-coupling was developed by using O2 as an oxidant.
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Regioselective Annulation of Nitrosopyridine with Alkynes: Straightforward Synthesis of N-Oxide-imidazopyridines

Chem. Commun. - 50 min 39 sec ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00533G, CommunicationSrimanta Manna, Rishikesh Narayan, Christopher Golz, Carsten Strohmann, Andrey P. Antonchick
We have developed a novel method for the regioselective annulation of 2-nitrosopyridines with variably substituted alkynes under mild reaction conditions. This approach allows the annulation of alkynes with 2-nitrosopyridines under...
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Efficient Asymmetric Transfer Hydrogenation of Ketones in Ethanol with Chiral Iridium Complexes of SpiroPAP Ligands as Catalysts

Chem. Commun. - 50 min 39 sec ago
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00479A, CommunicationWei-Peng Liu, Ming-Lei Yuan, Xiao-Hui Yang, Ke Li, jian-hua xie, Qi-Lin Zhou
A highly efficient iridium catalyzed asymmetric transfer hydrogenation of simple ketones with ethanol as a hydrogen donor has been developed. By using chiral spiro iridium catalyst (S)-1a a series of...
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A multiple gadolinium complex decorated fullerene as a highly sensitive T1 contrast agent

Chem. Commun. - 50 min 39 sec ago

Chem. Commun., 2015, 51,4390-4393
DOI: 10.1039/C5CC00285K, CommunicationLirong Wang, Xianglong Zhu, Xingyan Tang, Changqiang Wu, Zijian Zhou, Chengjie Sun, Shun-Liu Deng, Hua Ai, Jinhao Gao
A multiple gadolinium complex decorated fullerene (CGDn) as an enhanced T1 contrast agent was presented.
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Self-assembly of an organic-inorganic hybrid nanoflower as an efficient biomimetic catalyst for self-activated tandem reactions

Chem. Commun. - 50 min 39 sec ago

Chem. Commun., 2015, 51,4386-4389
DOI: 10.1039/C5CC00040H, CommunicationYanyan Huang, Xiang Ran, Youhui Lin, Jinsong Ren, Xiaogang Qu
An organic-inorganic hybrid nanoflower was prepared as an efficient biomimetic catalyst with excellent catalytic activity, durability and stability.
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