Results 11 to 20 of about 332,938 (279)
Recent advances in the asymmetrical templation effect of polyoxometalate in silver clusters
Polyoxometalates, 2022 The design and construction of polyoxometalate (POM)-templated silver clusters have received increasing attention, not only due to their aesthetic structures but also to their wide applications in chromatic materials, magnetism, electronics, and ...
Jia-Yang Shi +4 more
doaj +1 more source
Pd-catalyzed enantioselective aerobic oxidation of secondary alcohols: Applications to the total synthesis of alkaloids [PDF]
, 2008 Enantioselective syntheses of the alkaloids (-)-aurantioclavine, (+)-amurensinine, (-)-lobeline, and (-)- and (+)-sedamine are described. The syntheses demonstrate the effectiveness of the Pd-catalyzed asymmetric oxidation of secondary alcohols in ...
Bagdanoff, Jeffrey T. +5 more
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Hidróxidos duplos lamelares à base de escória de alto forno
Química Nova, 2012 Hydrotalcite like compounds (HT) were prepared by co-precipitation (Mg/Al = 3.5), using an acid solution with blast furnace slag and MgCl2.6H2O and aqueous solutions of NaOH. The following synthesis variables were investigated: temperature (30 and 45 ºC)
Monaliza Maia Rebelo +2 more
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Chemical and Process Engineering, 2015 A proper selection of steam reforming catalyst geometry has a direct effect on the efficiency and economy of hydrogen production from natural gas and is a very important technological and engineering issue in terms of process optimisation.
Franczyk Ewelina +4 more
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N-Triflylphosphorimidoyl Trichloride: A Versatile Reagent for the Synthesis of Strong Chiral Brønsted Acids [PDF]
, 2017 A series of strong Brønsted acids has been synthesized in high yields using N-triflylphosphorimidoyl trichloride as reagent.
Kaib, P., Lee, S., List, B.
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Molecules, 2022 Supercritical fluid extraction is a powerful analytical tool and it is willingly used by researchers for the isolation of various components from different matrices.
Barbara Mazurek +3 more
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Molecules, 2019 A simple, economical and metal-free approach to the synthesis of 2-substituted benzoxazoles and 2-substituted benzothiazoles from 2-aminophenols, 2-aminothiophenols and DMF derivatives, only using imidazolium chloride (50% mmol) as promoter without any ...
Qingqiang Tian +7 more
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Applied Sciences, 2023 The tightening standards of nitrogen oxides emission from industrial plants encourage nitric acid producers to search for new efficient solutions to meet the stringent emission limits.
Paweł Capała +4 more
doaj +1 more source
Science, 2011 Light spanning the near infrared to the ultraviolet has been confined in pulses shorter than a single optical cycle.
Wirth, A. +13 more
openaire +4 more sources
Mechanically bonded macromolecules [PDF]
, 2010 Mechanically bonded macromolecules constitute a class of challenging synthetic targets in polymer science. The controllable intramolecular motions of mechanical bonds, in combination with the processability and useful physical and mechanical properties ...
Benítez, Diego +5 more
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