Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Bernd Schetter"'
Autor:
Christoph Meyer, Bernd Schetter, Nicolas Plumeré, Diana Straub, Hans-Joachim Egelhaaf, Bernd Speiser, Filip Novak, Michaela Reginek, Klaus Albert, Hermann A. Mayer, B. Børresen, Gerd Fischer
Publikováno v:
Journal of Solid State Electrochemistry. 14:289-303
Stober silica nanoparticles with a diameter of approximately 800 nm are covalently modified by redox-active ferrocene or (diamine)(diphosphine) ruthenium(II) units attached to a spacer. The particles are characterized by NMR spectroscopic and chemica
Autor:
Gerd Fischer, Bernd Schetter
Publikováno v:
Journal of Sol-Gel Science and Technology. 44:167-170
Silica gel microparticles can be contrasted for optical bright field microscopy by high quality china ink. This method allows the rapid screening of particle size and size distribution of Stober silica particles. The theoretical resolution power achi
Publikováno v:
Applied Organometallic Chemistry. 21:139-145
Hexa- and nonanuclear titanium complexes were obtained by self-assembly of titanium(IV)-tert-butoxide and D-mandelic acid. Suitable single crystals of these complexes were characterized by X-ray structure analysis. When used with these complexes, ald
Autor:
Rainer Mahrwald, Bernd Schetter
Publikováno v:
Angewandte Chemie. 118:7668-7687
Die Aldolreaktion gehort zu den wichtigsten Methoden der organischen Synthesechemie fur den stereoselektiven Aufbau von polyketiden Naturstoffen. Dabei bedient sich die Natur gleichermasen wie der praparativ arbeitende Chemiker dieser fundamentalen R
Autor:
Rainer Mahrwald, Bernd Schetter
Publikováno v:
Angewandte Chemie International Edition. 45:7506-7525
The aldol reaction is one of the most important methods for the stereoselective construction of polyketide natural products, not only for nature but also for synthetic chemistry. The tremendous development in the field of aldol additions during the l
Autor:
Anna Budny, Bernd Speiser, Michaela Reginek, Nicolas Plumeré, Diana Straub, Bernd Schetter, Hermann A. Mayer, Filip Novak
Publikováno v:
Langmuir. 22:10605-10611
Nonporous spherical silica nanoparticles resulting from a controlled Stöber process are covalently surface modified with redox-active molecules. Ferrocene, a ruthenium(II) complex with an N2P2Cl2 ligand set, and a sterically hindered biphenylamine a
Autor:
Bernd Schetter
Publikováno v:
Synthesis. :1350-1358
Several N-monosubstituted amides of ferrocenecarboxylic acid were synthesized by pyrolysis of N,N'-disubstituted ferrocenoylureas in boiling dioxane under neutral conditions. The reaction time and the yield were found to be dependent on the nature of
Autor:
Bernd Schetter
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 630:1074-1078
1, 1'-Bis-(1, 3-dicyclohexylureidocarbonyl)-ferrocen (1), 1, 1'-Bis-(1, 3-diisopropylureidocarbonyl)-ferrocen (2) und Ferrocen-1, 1'-bis-N-p-tolylcarboxamid (6) wurden bei kurzer Reaktionszeit durch losungsmittelfreies Zusammenschmelzen von Ferrocen-
Autor:
Bernd Speiser, Bernd Schetter
Publikováno v:
Journal of Organometallic Chemistry. 689:1472-1480
N,N′-dicyclohexyl-N-ferrocenoylurea 2, N,N′-diisopropyl-N-ferrocenoylurea 3, N,N′-di-p-tolyl-N-ferrocenoylurea 4 and N,N′-di-tert-butyl-N-ferrocenoylurea 5 were obtained by reaction of ferrocenecarboxylic acid 1 with N,N′-dicyclohexylcarbod
Publikováno v:
ChemInform. 39
The extremely robust and water-stable tetranuclear complex Ti4(μ-BINOLato)6(μ3-OH)4 (1) catalyzes the direct aldol addition with high degrees of regioselectivity at the sterically more encumbered α-side of unsymmetrical ketones. The formation of q