Zobrazeno 1 - 10 of 17 pro vyhledávání: '"Hans-Helmut Görtz"'
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Precisely Designed Gold Nanoparticles by Surface Polymerization - Artificial Molecules as Building Blocks for Novel Materials
Autor: Seema Agarwal, Hans-Helmut Görtz, Volker Warzelhan, Stefan Bokern, Andreas Greiner, Katharina I. Gries
Publikováno v: Advanced Functional Materials. 21:3753-3759
The synthesis of gold nanoparticles (2–4 nm) carrying a single functional polystyrene chain and its characterization by gel permeation chromatography are reported. This has been achieved by a new type of macromolecular azo-initiator based on telech
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1974359c92aa5f4683223c935b8e537f
https://doi.org/10.1002/adfm.201100590
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3
Planar chiral ferrocene salen-type ligands featuring additional central and axial chirality
Autor: Holger Kopacka, Benno Bildstein, Karl-Hans Ongania, Klaus Wurst, Hans-Helmut Görtz, Peter Preishuber-Pflügl, Heimo Wölfle
Publikováno v: Journal of Organometallic Chemistry. 691:1197-1215
We report on novel chiral tridentate [NO 2 ]H 2 and tetradentate [N 2 O 2 ]H 2 Schiff base ligands containing a planar chiral ferrocene moiety linked to hydroxyl-imine or diimine donors with central or axial chirality. Structurally, these ligands res
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bb77fbfa6ae47fcb58302f0cafe9be0
https://doi.org/10.1016/j.jorganchem.2005.11.051
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4
Transition metal-catalyzed polymerization of 1,3,5-trioxane
Autor: Wolfram Wielandt, Hans-Helmut Görtz, Klaus Eichele, Manfred Steimann, Ekkehard Lindner, Michael Henes, Gerrit A. Luinstra
Publikováno v: Journal of Organometallic Chemistry. 681:12-23
The molybdenum complexes [(η5-C5Me5)Mo(CO)3OTf] (1a), [(η5-C5H5)Mo(CO)3X] (2a–2c) (X=F3CSO3 (a), F3CCO2 (b), BF4 (c)), and [(η5-C5H4CO2CH3)Mo(CO)3OTf] (3a) catalyze the cationic ring-opening polymerization (ROP) of 1,3,5-trioxane to polyoxymethy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eed5692820f1973d2b526da41f29df63
https://doi.org/10.1016/s0022-328x(03)00527-8
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8
High-performance liquid chromatography in combination with field desorption mass spectrometry: separation and identification of building blocks for polynucleotide synthesis
Autor: M. Holupirek, Hans‐Helmut Görtz, H. M. Schiebel, Hans-Rolf Schulten, B. Seemann-Preising, T.‐C. Bach, Hartmut Seliger, E. Happ
Publikováno v: Journal of Chromatography A. 253:65-79
Optimum conditions for analytical and preparative separation of suitably protected mono- and dinucleotides by high-performance liquid chromatography (HPLC) are described. These nucleotide units serve as standard building blocks for the synthesis of p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f074ee6ec9503c2827ce0448fd6553c2
https://doi.org/10.1016/s0021-9673(01)88361-8
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9
Kinetik der Schutzgruppenabspaltung bei Derivaten des 2′‐Desoxycytidin‐5′‐phosphats
Autor: Hans‐Helmut Görtz, Hartmut Seliger
Publikováno v: Chemische Berichte. 111:3732-3739
Die Abspaltungsgeschwindigkeit aliphatischer Basenschutzgruppen bei Derivaten des 2′-Desoxycytidin-5′-monophosphats wird bei verschiedenen pH-Werten UV-spektroskopisch gemessen. Verzweigte, raumerfullende Schutzgruppen zeigen erhohte Stabilitat.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::189467f363a1e84e925feb6d0d0097b8
https://doi.org/10.1002/cber.19781111118
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