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459 Aktuelle Fachpublikationen zum Thema temperature

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ChemInform Abstract: A Highly Efficient and Inexpensive Palladium‐Salen Complex for Room Temperature Suzuki—Miyaura Reaction.

11.12.2014 | Anindita Dewan, ChemInform, 2014

Abstract A simple and efficient catalytic system based on Pd salen complex for the Suzuki—Miyaura cross‐coupling of various aryl bromides (II) with aryl boronic acids is developed.

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ChemInform Abstract: ZrCl4‐Promoted Facile Synthesis of Indole Derivatives.

11.12.2014 | J. Tummatorn, M. P. Gleeson, S. Krajangsri, C. Thongsornkleeb, S. Ruchirawat, ChemInform, 2014

Abstract Zirconium(IV) chloride effectively activates nitrogen extrusion from aryl azidoacrylates followed by annulation to provide indoles at low temperature and in short reaction times.

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ChemInform Abstract: Optimization of Ni—Co—Mn—Sn Heusler Alloy Composition for Near Room Temperature Magnetic Cooling.

11.12.2014 | X. Chen, V. B. Naik, R. Mahendiran, R. V. Ramanujan, ChemInform, 2014

Abstract The effect of both Co and Mn substitution in the title alloys on the magnetocaloric properties, thermopower, electrical resistivity, and structural and magnetic phase transitions are determined.

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ChemInform Abstract: Improved Synthesis of Bioactive Stilbene Derivatives Applying Design of Experiments to the Heck—Matsuda Reaction.

11.12.2014 | Carla Cristina Perez, Jesus Marcelo Pena, Carlos Roque Duarte Correia, ChemInform, 2014

Abstract Optimization of the reaction parameter temperature, solvent, and catalyst loading allows for the development of an improved procedure for the synthesis of title compounds (III).

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ChemInform Abstract: Phosphorous Acid Route Synthesis of Iron Tavorite Phases, LiFePO4(OH)xF1‐x [0 ≤ x ≤ 1] and Comparative Study of Their Electrochemical Activities.

04.12.2014 | Hooman Yaghoobnejad Asl, Amitava Choudhury, ChemInform, 2014

Abstract A very fine powder of compound (III) is prepared in a KNO3/LiNO3 (0.56:0.44) flux at low temperature.

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ChemInform Abstract: Direct Synthesis of Chromium Perovskite Oxyhydride with a High Magnetic‐Transition Temperature.

04.12.2014 | Cedric Tassel, Yoshihiro Goto, Yoshinori Kuno, James Hester, Mark Green, Yoji Kobayashi, Hiroshi Kageyama, ChemInform, 2014

Abstract The novel stoichiometric perovskite SrCrO2H is synthesized by high pressure/high temperature reaction of SrO, Cr2O3, and SrH2 (5 GPa, 1000 °C, 30 min).

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ChemInform Abstract: Ethyl 2‐Cyano‐2‐(2‐nitrobenzenesulfonyloxyimino)acetate (o‐NosylOXY): A Recyclable Coupling Reagent for Racemization‐Free Synthesis of Peptide, Amide, Hydroxamate, and Ester.

27.11.2014 | Dharm Dev, Nani Babu Palakurthy, Kishore Thalluri, Jyoti Chandra, Bhubaneswar Mandal, ChemInform, 2014

Abstract The title agent is stable at room temperature for a long period.

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ChemInform Abstract: Recent Progress in High Temperature Permanent Magnetic Materials

20.11.2014 | Cheng‐Bao Jiang, Shi‐Zhong An, ChemInform, 2014

Abstract Review: focus on SmCo‐based magnets; 52 refs.

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ChemInform Abstract: Kinetics vs. Thermodynamics: A Unique Crystal Transformation from a Uranyl Peroxo‐Nanocluster to a Nanoclustered Uranyl Polyborate.

20.11.2014 | Yingjie Zhang, Mohan Bhadbhade, Jason R. Price, Inna Karatchevtseva, David Collison, Gregory R. Lumpkin, ChemInform, 2014

Abstract Reaction of UO2(NO3)2, NaOH, H2O2, and H3BO3 in aqueous solution leads to the formation of yellow crystals of Na14 [(UO2)(O2)1.5] 28·nH2O (I) at pH 8.5 within a few days, followed by transformation of (I) at room temperature to light yellow‐green crystals of Na6 [UO2{B16O24(OH)8}] ...

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ChemInform Abstract: Mg2SiO4:Tb3+ Nanophosphor: Auto Ignition Route and Near UV Excited Photoluminescence Properties for WLEDs.

13.11.2014 | Ramachandra Naik, S. C. Prashantha, H. Nagabhushana, H. P. Nagaswarupa, K. S. Anantharaju, S. C. Sharma, B. M. Nagab ..., ChemInform, 2014

Abstract Nanoparticles of Tb3+ doped (1—11 mol%) Mg2SiO4 are prepared by low temperature solution combustion with stoichiometric amounts of Mg(NO3)2 and fumed SiO2 as precursor and oxalyl di‐hydrazide (ODH) as fuel.

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