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Diastereoselective desymmetrization of diarylphosphinous acid-borane amides under Birch reduction

06-Jan-2015 | Marek Stankevič, Organic & Biomolecular Chemistry, 2015

Treatment of diarylphosphinous acid-borane amides possessing chiral amido functionality with an alkali metal solution in liquid ammonia induced a preferential dearomatization of one aryl substituent at phosphorus leading to the formation of non-equimolar amounts of diastereomers. ...


Heterostructured calcium carbonate nanowires controlled by a cationic polyelectrolyte

06-Jan-2015 | Jianhua Zhu; Lei Huang; Mingfang Cui; Li Ma, CrystEngComm, 2015

The heterostructured biomimetic materials of calcite microcrystals covered with aragonite nanowires, as well as aragonite fibers decorated with small calcite tips, were first synthesized in a cationic polyelectrolyte mineral solution. The polymorph switching in the same microstructures shows the ...


Magnetic CoFe2O4 films with controllable dendritic arrays by a combined method of electrodeposition and anode activating

06-Jan-2015 | Hongcai He; Neng Qian; Ning Wang, CrystEngComm, 2015

Cobalt ferrite (CoFe2O4, CFO) films with dendritic arrays, were prepared on Pt/TiO2/SiO2/Si substrates by using a combined electrochemical method of electrodeposition and anode activating. Firstly, the CoFe2 (CF) alloy films were electrodeposited from the solution of Fe2SO4 and Co2SO4 at room ...


A Solution-phase Approach to Cd3P2 Nanowires: Synthesis and Characterization

06-Jan-2015 | Chi Yang; Huanhuan Pan; Sheng Liu; Shu Miao; Wen-hua Zhang; Jiansheng Jie; Xin Xu, Chemical Communication, 2015

Single-crystalline Cd3P2 nanowires (NWs) have been synthesized via solution–liquid–solid (SLS) mechanism. The lengths of the resulting nanowires can be effectively tuned in the range of 180 nm and 5 μm, and the photodetectors made of the Cd3P2 nanowires exhibited a pronounced photoresponse with ...


Solution and solid-phase halogen and C–H hydrogen bonding to perrhenate

06-Jan-2015 | Casey J. Massena; Asia Marie S. Riel; George F. Neuhaus; Daniel A. Decato; Orion B. Berryman, Chemical Communication, 2015

1H NMR spectroscopic and X-ray crystallographic investigations of a 1,3-bis(4-ethynyl-3-iodopyridinium)benzene scaffold with perrhenate reveal strong halogen bonding in solution, and bidentate association in the solid state. A nearly isostructural host molecule demonstrates significant C–H ...


A dual-boron-cored luminogen capable of sensing and imaging

06-Jan-2015 | Yubin Fu; Feng Qiu; Fan Zhang; Yiyong Mai; Yingchao Wang; Shibo Fu; Ruizhi Tang; Xiaodong Zhuang; Xinliang Feng, Chemical Communication, 2015

A new dual-boron-cored luminogen ligated with a nitrogen-containing multidentate ligand and four bulky phenyl rings was readily synthesized. The unique molecular structure endows this BN-containing luminogen with rich photophysical properties in either solution or in the solid state, including a ...


Interpenetrated and non-interpenetrated homochiral metal-organic frameworks based on (R)-2,2[prime or minute]-dihydroxy-1,1[prime or minute]-binaphthyl-5,5[prime or minute]-dibenzoic acid

06-Jan-2015 | K. Tanaka; D. Yanamoto; K. Yoshimura; T. Anami; Z. Urbanczyk-Lipkowska, CrystEngComm, 2015

A new example of interpenetration that is simply controlled by modifying hydroxyl function in homochiral MOFs is reported. Interpenetrated and non-interpenetrated chiral metal–organic frameworks (MOF-1 and MOF-2) were prepared by solvothermal reactions of [Cu(NO3)2]·3H2O in N,N-dimethylformamide ...


Laser-activated gold catalysts for liquid-phase growth of cadmium selenide nanowires

06-Jan-2015 | C. Huang; J. Mao; X. M. Chen; J. Yang; X. W. Du, Chemical Communication, 2015

A laser-activated-catalyst (LAC) technique was developed to grow CdSe nanowires in liquid medium at room temperature. The gold catalysts dispersed in the precursor solution were activated by a pulsed laser so as to decompose the precursor and catalyse the nanowire growth simultaneously. The LAC ...


Spectroscopic Study of Ionic Liquid Adsorption from Solution onto Gold

06-Jan-2015 | David Beattie; Sarah Harmer-Bassell; Tracey Ho; Marta Krasowska; John Ralston; Pasindu Sellapperumage; Patryk Wasik, Physical Chemistry Chemical Physics, 2015

Gold was exposed to ethanol solutions containing 0.1 wt. % 1-hexyl-3-methyl-imidazolium bis(trifluoromethanesulfonyl)imide (HMIM NTf2), an ionic liquid (IL). The resulting adsorbed layers were interrogated using X-ray photoelectron spectroscopy (XPS – both conventional and synchrotron-based) and ...


Confocal and fluorescence lifetime imaging sheds light on the fate of a pyrene-tagged carbon monoxide-releasing Fischer carbene chromium complex

05-Jan-2015 | Rory L. Arrowsmith; Anthony J. Atkin; Stanley W. Botchway; Ian J. S. Fairlamb; Jason M. Lynam; James W. B. Moir; Sof ..., Dalton Transactions, 2015

The synthesis of a new pyrene-containing Fischer carbene complex is described. The complex has a broad absorbance spectrum between 300 and 400 nm and, on excitation at 345 nm in CH2Cl2 solution, emission is observed at 395 and 415 nm. Emission is also observed in PBS buffer, but in this case the ...


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