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47.775 Aktuelle Fachpublikationen zum Thema temperature

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Redox inactive metal ion triggered N-dealkylation by an iron catalyst with dioxygen activation: a lesson from lipoxygenases

28.05.2015 | Jisheng Zhang; Yujuan Wang; Nengchao Luo; Zhuqi Chen; Kangbing Wu; Guochuan Yin, Dalton Transactions, 2015

Utilization of dioxygen as the terminal oxidant at ambient temperature is always a challenge in redox chemistry, because it is hard to oxidize a stable redox metal ion like iron(iii) to its high oxidation state to initialize the catalytic cycle. Inspired by the dioxygenation and co-oxidase ...


Superior Thermoelectric Performance in PbTe-PbS Pseudo-binary: Extremely Low Thermal Conductivity and Modulated Carrier

28.05.2015 | Di Wu; Li-Dong Zhao; Xiao Tong; Wei Li; Lijun Wu; Qing Tan; Yanling Pei; Li Huang; Jing-Feng Li; Yimei Zhu; Mercouri ..., Energy & Environmental Science, 2015

Lead chalcogenides are dominant thermoelectric materials in the medium-temperature range, owing to their highly favorable electronic band structures and low thermal conductivities achievable. An important system is the PbTe-PbS pseudo-binary and its low thermal conductivity originates largely ...


In-depth study of the phase separation behaviour of a Thermoresponsive Ionic Liquid and Poly(ionic liquid) in Concentrated Aqueous Solution

28.05.2015 | Ge Wang; peiyi wu, Soft Matter, 2015

The temperature-induced phase transition behaviors of a thermoresponsive ionic liquid (tributylhexylphosphonium 3-sulfopropylmethacrylate, [P4,4,4,6][MC3S]) and its polymer (poly-tributylhexylphosphonium 3-sulfopropylmethacrylate, P[P4,4,4,6][MC3S]) have been investigated via DSC, optical ...


New annealing method to improve KD2PO4 crystal quality: learning from high temperature phase transition

27.05.2015 | Lisong Zhang; Mingxia Xu; Baoan Liu; Lili Zhu; Bo Wang; Hailiang Zhou; Fafu Liu; Xun Sun, CrystEngComm, 2015

CrystEngComm, 2015, Accepted ManuscriptDOI: 10.1039/C5CE00813A, Paper Lisong Zhang, Mingxia Xu, Baoan Liu, Lili Zhu, Bo Wang, Hailiang Zhou, Fafu Liu, Xun SunThis is an Accepted Manuscript, which has been through the RSC Publishing peer review process and has been accepted for publication. ...


Efficient vapor-assisted aging synthesis of functional and high crystalline MOFs from CuO and rare earth sesquioxides/carbonates

27.05.2015 | Xiao Feng; Chunmei Jia; Jing Wang; Xiaocong Cao; Panjuan Tang; Wenbing Yuan, Green Chemistry, 2015

Four functional MOFs including HKUST-1 were prepared quantatively from CuO and rare earth sesquioxides/ carbonates under vapour-assisted aging at room temperature within hours or days. Two 1-D complexes show high reactivity under VAG to be transformed into two 3-D compounds within hours.


Molecular diffusion and dc conductivity perfectly correlated with molecular rotational dynamics in a plastic crystalline electrolyte

27.05.2015 | Manesh Zachariah; Michela Romanini; Pragya Tripathi; Josep Lluis Tamarit; Roberto Macovez, Physical Chemistry Chemical Physics, 2015

We probe the ion conduction and the molecular dynamics in a pure and lithium-salt doped dinitrile molecular plastic crystal. While the diffusion of the Li+ ions is decoupled from the molecular reorientational dynamics, in the undoped plastic crystal the temperature dependence of the mobility of ...


Phase diagrams of nanoalloys: influence of size and morphology

27.05.2015 | F. Berthier; E. Maras; B. Legrand, Physical Chemistry Chemical Physics, 2015

The size dependence of the phase diagram of nanoalloys with a tendency to phase separate is investigated. As the critical temperature may depend on both the size and the morphology of the nanoparticles, we consider nanowires with different cross-sections and also nanotubes with different ...


An Efficient and Practical Approach to Trifluoromethylthiolation of [small alpha]-Haloketones/[small alpha]-Haloarylmethanes

27.05.2015 | Min Jiang; Fangxia Zhu; Haoyue Xiang; Xing Xu; Lianfu Deng; Chunhao Yang, Organic & Biomolecular Chemistry, 2015

An efficient and practical approach to trifluoromethylthiolation of α-haloketones/α-haloarylmethanes was developed. The transformation employs only AgSCF3 and KI to in situ generate active nucleophilic trifluoromethylthio species and cleanly occurs in up to quantitative yield at room temperature, ...


Pd(II) catalyzed ortho C–H iodination of phenylcarbamates at room temperature using cyclic hypervalent iodine reagents

27.05.2015 | Xiuyun Sun; Xia Yao; Chao Zhang; Yu Rao, Chemical Communication, 2015

A novel approach to access ortho iodinated phenols using cyclic hypervalent iodine reagents through palladium(ii) catalyzed C–H activation has been developed through weak coordination. The reaction showed excellent regioselectivity, reactivity and good functional group tolerance. A unique ...


Synthesis of novel sulfonamide azoles via C-N cleavage of sulfonamides by azole ring and relational antimicrobial study

27.05.2015 | huizhen zhang; Jeyakkumar Ponmani; Vijaya Kumar Kannekanti; Cheng-He Zhou, New Journal of Chemistry, 2015

A series of novel sulfonamide azoles were synthesized via C-N cleavage of sulfonamides by azole ring. This type of reaction could perform smoothly in DMF and some influential factors including temperature, solvent and reaction time to this reaction were also investigated. The antimicrobial ...


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