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Monometalated tribenzotriquinacene: exo and endo coordination of sodium and potassium with a rigid bowl-shaped hydrocarbon anion

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01428F, CommunicationJan Klett
Monometalated tribenzotriquinacene forms an exo coordinated arrangement with sodium, while potassium is found in an endo position inside the bowl.
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Phosphine-catalyzed sequential annulation domino reaction: rapid construction of bicyclo[4.1.0]heptene skeletons

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01097C, CommunicationJie Zheng, You Huang, Zhengming Li
(4-FC6H4)3P-catalyzed sequential annulation of dienic sulfones with MBH carbonates, the more reaction sites that were used, the more new bonds and rings were formed.
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Synthesis of naphthalene amino esters and arylnaphthalene lactone lignans through tandem reactions of 2-alkynylbenzonitriles

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01738B, CommunicationYan He, Xinying Zhang, Xuesen Fan
A novel and efficient synthesis of naphthalene amino esters and arylnaphthalene lactone lignans via the tandem reaction of 2-alkynylbenzonitriles is presented.
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Colorimetric barbiturate sensing with hybrid spin crossover assemblies

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5043-5045
DOI: 10.1039/C4CC01805B, CommunicationMichael C. Young, Erica Liew, Richard J. Hooley
Iron-based spin crossover complexes can be used as selective, visible sensors for barbiturates in the presence of other biologically relevant hydrogen bonding species.
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A concise [C+NC+CC] coupling-enabled synthesis of kaitocephalin

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,4908-4910
DOI: 10.1039/C4CC01692K, CommunicationPhilip Garner, Laksiri Weerasinghe, Ian Van Houten, Jieyu Hu
An efficient synthesis of the iGluR antagonist kaitocephalin is reported, employing an asymmetric [C+NC+CC] reaction in the key step.
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An enantioselective synthesis of the C24-C40 fragment of (-)-pulvomycin

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,4901-4903
DOI: 10.1039/C4CC01338G, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Sandra Bording, Thorsten Bach
The C24-C40 fragment of (-)-pulvomycin was prepared in enantiomerically pure form using a concise synthesis method (15 linear steps from D-fucose, 6.8% overall yield) featuring a diastereoselective addition to an aldehyde, a [small beta]-selective glycosylation and a Stille cross-coupling as the key steps.
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Investigation of the facet-dependent performance of [small alpha]-Fe2O3 nanocrystals for heavy metal determination by stripping voltammetry

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5011-5013
DOI: 10.1039/C4CC01029A, CommunicationWei-Hong Xu, Qiang-Qiang Meng, Chao Gao, Jing Wang, Qun-Xiang Li, Jin-Huai Liu, Xing-Jiu Huang
The electrochemical performances of [small alpha]-Fe2O3 nanocubes, nanoplates, and nanorods modified GCEs toward Pb2+ detection strongly depend on their exposed facets.
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Site-specific cross-linking of collagen peptides by lysyl advanced glycation endproducts

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,4944-4946
DOI: 10.1039/C4CC02003K, CommunicationM. Kamalov, P. W. R. Harris, G. J. S. Cooper, M. A. Brimble
Cross-linking lysyl AGEs were synthesised and incorporated into two types of collagen peptides and now enable detailed analysis of the effects these cross-links have on biological systems.
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Influence of the Debye length on the interaction of a small molecule-modified Au nanoparticle with a surface-bound bioreceptor

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,4947-4950
DOI: 10.1039/C4CC01423E, CommunicationNatalia Bukar, Sandy Shuo Zhao, David M. Charbonneau, Joelle N. Pelletier, Jean-Francois Masson
We report that a shorter Debye length and, as a consequence, decreased colloidal stability are required for the molecular interaction of folic acid-modified Au nanoparticles (Au NPs) to occur on a surface-bound receptor, human dihydrofolate reductase (hDHFR).
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A surface plasmon resonance assay coupled with a hybridization chain reaction for amplified detection of DNA and small molecules

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5049-5052
DOI: 10.1039/C4CC01374C, CommunicationXuemei Li, Yan Wang, Linlin Wang, Qingli Wei
A surface plasmon resonance (SPR) detection system based on a hybridization chain reaction (HCR) was developed for amplified detection of DNA and small molecules with high sensitivity. This methodology is capable of detecting the target in complicated biological samples and can be further extended to the detection of other proteins or biomarkers.
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Side-chain and linkage-mediated effects of anthraquinone moieties on ambipolar poly(triphenylamine)-based volatile polymeric memory devices

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,4915-4917
DOI: 10.1039/C4CC00639A, CommunicationJia-Hao Wu, Hung-Ju Yen, Yi-Cheng Hu, Guey-Sheng Liou
Two ambipolar and thermally stable poly(triphenylamine)s with pendent anthraquinone acceptors were readily synthesized and prepared for the investigation of side-chain and linkage-mediated effects on the memory behaviour.
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Highly active phosphite gold(I) catalysts for intramolecular hydroalkoxylation, enyne cyclization and furanyne cyclization

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,4937-4940
DOI: 10.1039/C4CC00839A, CommunicationMaria Camila Blanco Jaimes, Frank Rominger, Mariette M. Pereira, Rui M. B. Carrilho, Sonia A. C. Carabineiro, A. Stephen K. Hashmi
A turnover number of 28 000 000 can be achieved with this new type of gold(I) precatalysts bearing bulky phosphite ligands.
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Iron-catalysed asymmetric tandem spiro-cyclization using dioxygen in air as the hydrogen acceptor

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5053-5056
DOI: 10.1039/C4CC01555J, CommunicationTakuya Oguma, Tsutomu Katsuki
A tandem combination of ortho-quinone methide (o-QM) formation/Michael addition/asymmetric dearomatization, which is catalysed by an iron-salan complex in air with high enantioselectivity, provides an efficient method for spirocyclic (2H)-dihydrobenzofuran synthesis from 2-naphthols and phenols.
The content of this RSS Feed (c) The Royal Society of Chemistry

Electrochemical investigation of sodium reactivity with nanostructured Co3O4 for sodium-ion batteries

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5057-5060
DOI: 10.1039/C4CC01033G, CommunicationMd Mokhlesur Rahman, Alexey M. Glushenkov, Thrinathreddy Ramireddy, Ying Chen
The electrochemical behaviour of Co3O4 with sodium is reported here.
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[4+2+2] Cycloaddition catalyzed by a new cationic rhodium-bisphosphine monooxide complex

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5007-5010
DOI: 10.1039/C4CC01320D, CommunicationGino Martin R. Canlas, Scott R. Gilbertson
A rhodium-BozPHOS based complex is reported that is competent in catalyzing the [4+2+2] cycloisomerization of cyclooctatrienes in moderate to good yields.
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Synthesis of 1H-indazoles from N-tosylhydrazones and nitroaromatic compounds

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5061-5063
DOI: 10.1039/C4CC00962B, CommunicationZhenxing Liu, Long Wang, Haocheng Tan, Shiyi Zhou, Tianren Fu, Ying Xia, Yan Zhang, Jianbo Wang
1H-Indazoles have been synthesized from readily available N-tosylhydrazones and nitroaromatic compounds under mild reaction conditions.
The content of this RSS Feed (c) The Royal Society of Chemistry

Oxidation of allylic and benzylic alcohols to aldehydes and carboxylic acids

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5014-5016
DOI: 10.1039/C4CC01305K, CommunicationDaniel Konning, Tobias Olbrisch, Fanni D. Sypaseuth, C. Christoph Tzschucke, Mathias Christmann
The oxidation of allylic and benzylic alcohols to the corresponding carboxylic acids is effected by merging a Cu-catalyzed oxidation using O2 as a terminal oxidant with a subsequent chlorite oxidation (Lindgren oxidation).
The content of this RSS Feed (c) The Royal Society of Chemistry

Host-guest complexation induced emission: a pillar[6]arene-based complex with intense fluorescence in dilute solution

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5017-5019
DOI: 10.1039/C4CC01560F, CommunicationPi Wang, Xuzhou Yan, Feihe Huang
A host-guest inclusion complex was constructed from a water-soluble pillar[6]arene and a tetraphenylethene derivative in water and it exhibited strong fluorescence in dilute solution. Furthermore, such a complex acted as a "turn-off" fluorescent sensor for paraquat via the competitive host-guest complexation.
The content of this RSS Feed (c) The Royal Society of Chemistry

A novel fluorescent probe for detecting paraquat and cyanide in water based on pillar[5]arene/10-methylacridinium iodide molecular recognition

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5064-5067
DOI: 10.1039/C4CC01403K, CommunicationPi Wang, Yong Yao, Min Xue
A novel fluorescent probe for detecting paraquat and cyanide in water based on pillar[5]arene/10-methylacridinium iodide molecular recognition is reported.
The content of this RSS Feed (c) The Royal Society of Chemistry

A dual functional additive for the HTM layer in perovskite solar cells

Chem. Commun. - 3 hours 41 min ago

Chem. Commun., 2014, 50,5020-5022
DOI: 10.1039/C3CC49458F, CommunicationHong Zhang, Yantao Shi, Feng Yan, Liang Wang, Kai Wang, Yujin Xing, Qingshun Dong, Tingli Ma
The ionic liquid N-butyl-N[prime or minute]-(4-pyridylheptyl)imidazolium bis(trifluoromethane)sulfonimide (BuPyIm-TFSI) was used as an additive to improve HTM conductivity and reduce dark current of the solar cell simultaneously, thereby greatly increasing the power conversion efficiency.
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