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491 Aktuelle Fachpublikationen zum Thema temperature

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ChemInform Abstract: Efficient Synthesis of Chromenopyridine and Chromene via MCRs.

24.02.2015 | Hai‐Feng Gan, Wei‐Wei Cao, Zheng Fang, Xin Li, Shi‐Gui Tang, Kai Guo, ChemInform, 2015

Abstract The temperature dependence of the three‐component reaction of salicylaldehydes, malononitrile and thiols is demonstrated.

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ChemInform Abstract: Rhodium(III)‐Catalyzed C—H Activation/[4 + 3] Annulation of N‐Phenoxyacetamides and α,β‐Unsaturated Aldehydes: An Efficient Route to 1,2‐Oxazepines at Room Temperature.

24.02.2015 | Pingping Duan, Xia Lan, Ying Chen, Shao‐Song Qian, Jie Jack Li, Liang Lu, Yanbo Lu, Bo Chen, Mei Hong, Jing Zhao, ChemInform, 2015

Abstract The Rh‐catalyzed annulation of N‐phenoxyacetamides (I) with α,β‐unsaturated aldehydes (II) leads to desired 1,2‐oxazepines (III) in good to high yields.

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ChemInform Abstract: Development of a New Benzylating Reagent Spontaneously Releasing Benzyl Cation Equivalents at Room Temperature.

19.02.2015 | Kohei Yamada, Yuichi Tsukada, Yukiko Karuo, Masanori Kitamura, Munetaka Kunishima, ChemInform, 2015

Abstract Benzyl cations are generated from the novel reagent (I) by solvation in a suitable solvent under non‐acidic conditions.

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ChemInform Abstract: Efficient Synthesis of Aryl Boronates via Zinc‐Catalyzed Cross‐Coupling of Alkoxy Diboron Reagents with Aryl Halides at Room Temperature.

19.02.2015 | Shubhankar Kumar Bose, Todd B. Marder, ChemInform, 2015

Abstract A novel Zn/NHC‐catalyzed cross‐coupling reaction of aryl and hetaryl iodide and bromides with diboron compounds (II) and (V) is reported.

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ChemInform Abstract: Pb5Bi24Se41: A New Member of the Homologous Series Forming Topological Insulator Heterostructures.

05.02.2015 | Kouji Segawa, A. A. Taskin, Yoichi Ando, ChemInform, 2015

Abstract The title compound, which is the m = 4 member of the (PbSe)5(Bi2Se3)3m homologous series is synthesized from the elements (1173 K, 6 h, followed by slowly sweeping the temperature from 1023 to 923 K).

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ChemInform Abstract: Highly Efficient Dynamic Kinetic Resolution of Secondary Aromatic Alcohols at Low Temperature Using a Low‐Cost Sulfonated Sepiolite as Racemization Catalyst.

05.02.2015 | Jian‐Ping Wu, Xiao Meng, Liang Wang, Gang Xu, Li‐Rong Yang, ChemInform, 2015

Abstract The title reaction gives the products in high yields with high enantioselectivities.

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ChemInform Abstract: High‐Pressure Transformation in the Cobalt Spinel Ferrites.

05.02.2015 | J. Blasco, G. Subias, J. Garcia, C. Popescu, V. Cuartero, ChemInform, 2015

Abstract Pressure‐induced structural changes in CoxFe3‐xO4 (x = 1, 1.5, 1.75) spinels are characterized by high‐pressure angle‐dispersive XRD measurements at room temperature up to 34 GPa.

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ChemInform Abstract: Palladium‐Catalyzed Trifluoroacetate‐Promoted Mono‐Arylation of the β‐Methyl Group of Alanine at Room Temperature: Synthesis of β‐Arylated α‐Amino Acids Through Sequential C—H Functionalization.

05.02.2015 | Bo Wang, William A. Nack, Gang He, Shu‐Yu Zhang, Gong Chen, ChemInform, 2015

Abstract A procedure for the palladium‐catalyzed trifluoroacetate‐promoted mono‐arylation of the β‐methyl group of alanine at room temperature is presented.

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ChemInform Abstract: Selective Oxidations of Activated Alcohols in Water at Room Temperature.

05.02.2015 | B. H. Lipshutz, M. Hageman, J. C. Fennewald, R. Linstadt, E. Slack, K. Voigtritter, ChemInform, 2015

Abstract Secondary allyl alcohols are unreactive under the investigated conditions allowing the selective oxidation of primary allylic alcohols in the presence of secondary allylic substrates.

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ChemInform Abstract: Chemistry Functionalized Quinoxaline N‐Oxides. Part 3. Carbene‐Catalyzed Aroylation of a 2‐Chloroquinoxaline N‐Oxide with Aromatic Aldehydes at Room Temperature.

05.02.2015 | Jan Maichrowski, Aman Bhasin, Florenz Sasse, Dieter E. Kaufmann, ChemInform, 2015

Abstract The newly synthesized aroylquinoxaline N‐oxides (III) are screened for their antimicrobial activity as well as their cytotoxicity.

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