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6.073 Aktuelle Fachpublikationen zum Thema temperature

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Sulfonamides Formation from Sodium Sulfinates and Amines or Ammonia under Metal-Free Conditions at Ambient Temperature

16.12.2014 | Kai Yang; Miaolin Ke; Yuanguang Lin; Qiuling Song, Green Chemistry, 2014

A novel, practical and highly efficient method for the construction of a variety of sulfonamides mediated by I2 was demonstrated. The reaction proceeds readily at room temperature using a variety of sodium sulfinates and amines or ammonia in water in a metal-, base-, ligand-, or additive-free ...

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Formation, characterization, structure and bonding analysis of the metal–carbon bond OM-(η6-C6H6) (M = Sc, Ti) complexes in solid matrix: Infrared spectroscopic and theoretical study

14.12.2014 | Author(s): Yanying Zhao , Yuchen Zhang , Xin Liu , Kexue Fan , Xuming Zheng, Journal of Organometallic Chemistry, 2014

Publication date: 1 February 2015 Source:Journal of Organometallic Chemistry, Volume 777 Author(s): Yanying Zhao , Yuchen Zhang , Xin Liu , Kexue Fan , Xuming Zheng The reactions of ScO and TiO molecules with benzene have been studied in solid argon with infrared absorption ...

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Trithiacrown palladium(II) complexes with cyclometallating ligands: Isomer effects, intramolecular palladium–sulfur interactions, and reversible PdII/III and PdIII/IV oxidations

14.12.2014 | Author(s): Daron E. Janzen , Meaghan A. Bruening , Catherine A. Sutton , Amrita R. Sharma, Journal of Organometallic Chemistry, 2014

Publication date: 1 February 2015 Source:Journal of Organometallic Chemistry, Volume 777 Author(s): Daron E. Janzen , Meaghan A. Bruening , Catherine A. Sutton , Amrita R. Sharma We report the synthesis and characterization of a series of cyclometallated complexes of Pd(II) ...

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Interactions of Saccharides in Aqueous Glycine and Leucine Solutions at Different Temperatures of (293.15 to 313.15) K: A Viscometric Study

12.12.2014 | Kuldeep Kumar; Baljeet Singh Patial; Suvarcha Chauhan, Journal of Chemical & Engineering Data, 2014

The results of viscosity measurements of ribose, maltose, and raffinose at molalities ranging from (0.050 to 0.100) mol·kg–1 in aqueous solutions of glycine and leucine of (0.025, 0.050, and 0.100) mol·kg–1, respectively, over a wide temperature range of (293.15 to 313.15) K, have been reported. ...

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Role of Hydrogen Abstraction Acetylene Addition Mechanisms in the Formation of Chlorinated Naphthalenes. 2. Kinetic Modeling and the Detailed Mechanism of Ring Closure

12.12.2014 | Grant J. McIntosh; Douglas K. Russell, Journal of Physical Chemistry A, 2014

The dominant formation mechanisms of chlorinated phenylacetylenes, naphthalenes, and phenylvinylacetylenes in relatively low pressure and temperature (∼40 Torr and 1000 K) pyrolysis systems are explored. Mechanism elucidation is achieved through a combination of theoretical and experimental ...

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Synthesis and Characterization of 5‐Cyanotetrazolide‐Based Ionic Liquids

11.12.2014 | Timm Bergholz, Benjamin Oelkers, Benedikt Huber, Bernhard Roling, Jörg Sundermeyer, Chemistry - A European Journal, 2014

Abstract New salts based on imidazolium, pyrrolidinium, phosphonium, guanidinium, and ammonium cations together with the 5‐cyanotetrazolide anion [C2N5]− are reported. Depending on the nature of cation–anion interactions, characterized by XRD, the ionic liquids (ILs) have a low viscosity and ...

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Self‐Regulation Mechanism for Charged Point Defects in Hybrid Halide Perovskites

11.12.2014 | Aron Walsh, David O. Scanlon, Shiyou Chen, X. G. Gong, Su‐Huai Wei, Angewandte Chemie International Edition, 2014

Abstract Hybrid halide perovskites such as methylammonium lead iodide (CH3NH3PbI3) exhibit unusually low free‐carrier concentrations despite being processed at low‐temperatures from solution. We demonstrate, through quantum mechanical calculations, that an origin of this phenomenon is a ...

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Self‐Regulation Mechanism for Charged Point Defects in Hybrid Halide Perovskites

11.12.2014 | Aron Walsh, David O. Scanlon, Shiyou Chen, X. G. Gong, Su‐Huai Wei, Angewandte Chemie, 2014

Abstract Hybrid halide perovskites such as methylammonium lead iodide (CH3NH3PbI3) exhibit unusually low free‐carrier concentrations despite being processed at low‐temperatures from solution. We demonstrate, through quantum mechanical calculations, that an origin of this phenomenon is a ...

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Investigation of the Enantiomerization Barriers of the Phthalimidone Derivatives EM12 and Lenalidomide by Dynamic Electrokinetic Chromatography

11.12.2014 | Sarah Walz, Sylvia Weis, Mareike Franz, Frank Rominger, Oliver Trapp, ELECTROPHORESIS, 2014

The phthalimidone derivatives EM12 and lenalidomide, which are both structurally related to thalidomide, are highly interesting drugs and very recently lenalidomide attracted great attention as anti‐tumor and immune‐modulating drug [1] in the therapy for multiple myeloma [1]. EM12 and ...

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Property reinforcement of acrylonitrile‐butadiene‐styrene by simultaneous incorporation of carbon nanotubes and self‐prepared copper particles

11.12.2014 | Gen Lin Wang, Lei Duan, Ke Hong Ding, Ming Zhang, Journal of Applied Polymer Science, 2014

ABSTRACT In this article, copper (Cu) crystallites were successfully prepared via low temperature molten salt method, and the possible formation mechanisms were proposed. The conductive fillers of multiwalled carbon nanotubes (MWCNTs) and as‐prepared Cu particles were designed and introduced ...

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