Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Jan Pecháček"'
Publikováno v:
Journal of Forest Science, Vol 63, Iss 7, Pp 331-338 (2017)
The current revitalization of forest ecosystems in the Krušné Hory Mts. is carried out through: (i) spreading line windrows, (ii) chemical amelioration. The aim of this research consisted in: (i) assessing basic pedochemical characteristics of spre
Externí odkaz:
https://doaj.org/article/710ed201b8b947fe8a164a5151580838
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 65, Iss 3, Pp 907-917 (2017)
The aim of this study consisted in verifying the hypothesis whether the application of tableted fertilizers Silvamix® Forte, Silvamix® R, Stromfolixyl® and calcareous dolomite affected significantly the nutrition and growth of Norway spruce. In or
Externí odkaz:
https://doaj.org/article/a3e4572bb6f444a48a97bfa1b56ebd0d
Autor:
Jiří Václavík, Petr Šot, Jan Pecháček, Beáta Vilhanová, Ondřej Matuška, Marek Kuzma, Petr Kačer
Publikováno v:
Molecules, Vol 19, Iss 6, Pp 6987-7007 (2014)
The asymmetric transfer hydrogenation (ATH) of imines catalyzed by the Noyori-Ikariya [RuCl(η6-arene)(N-arylsulfonyl-DPEN)] (DPEN = 1,2-diphenylethylene-1,2-diamine) half-sandwich complexes is a research topic that is still being intensively develop
Externí odkaz:
https://doaj.org/article/b71536ee9a0947d183726de5ee3c1951
Publikováno v:
Molecules, Vol 18, Iss 6, Pp 6804-6828 (2013)
This review is oriented toward the asymmetric transfer hydrogenation (ATH) of imines regarding mostly fundamental, yet important topics from the practical point of view. Development of analytical methods for the monitoring of ATH (i.e., kinetics and
Externí odkaz:
https://doaj.org/article/418512882d9f4e218025ada5ebdf51ee
Publikováno v:
Zprávy lesnického výzkumu. 68
Acidification of forest soils is a natural process, but it is amplified by anthropogenic factors. Forest soil regeneration is a very long and slow action, which is conditioned by the weathering rate and impact of forest management. Data from forest-s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76bcd9f31a2dc185f254871a36b667dd
https://doi.org/10.59269/zlv/2023/1/686
https://doi.org/10.59269/zlv/2023/1/686
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 231:531-539
New chiral imide-oxazoline derivatives of Kemp’s acid were synthesized with the aim to produce new ligands suitable for catalytic asymmetric reactions. Compound 1 is C18H28N2O3, systematic name (1R, 5S, 7R)-7-[(S)-4-tert-butyl-4,5-dihydrooxazole-2-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04078a0f720a8e58f39dd026c324bebc
https://doi.org/10.1515/zkri-2016-1962
https://doi.org/10.1515/zkri-2016-1962
Autor:
Marek Kuzma, Petr Kačer, Jiří Václavík, Radka Hrdličková, Miloš Mikoška, Jan Pecháček, Ondřej Matuška, Beáta Vilhanová, Jakub Zápal
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 118:215-222
The role of the sulfonamide moiety of Noyori-Ikariya [Ru(II)Cl(η 6-p-cymene)(S,S)-(N-arylsulfonyl-DPEN)] (where DPEN = 1,2-diphenylethylene-1,2-diamine) half-sandwich complexes in the asymmetric transfer hydrogenation (ATH) of imines (1-methyl-3,4-d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66dece7be9662736694dce1a4083ebce
https://doi.org/10.1007/s11144-016-0991-z
https://doi.org/10.1007/s11144-016-0991-z
Autor:
Jaroslav Maixner, Jakub Zápal, Petr Kačer, Marek Kuzma, Jiří Václavík, Richard Pažout, Beáta Vilhanová, Jan Pecháček, Petr Šot
Publikováno v:
Chemical Communications. 52:362-365
A method for enantioselective hydrogenation of cyclic imines with gaseous hydrogen has been developed. Easily accessible Noyori-Ikariya Ru(II) and Rh(III) complexes can be used directly without an inert atmosphere. Substrate activation has been achie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2435f30ac896afd531e7fbdd74d1e4de
https://doi.org/10.1039/c5cc06712j
https://doi.org/10.1039/c5cc06712j
Autor:
Jeroen A. van Bokhoven, Jan Pecháček, Marco Ranocchiari, Selmi Erim Bozbag, Maarten Nachtegaal, Evalyn Mae C. Alayon
Publikováno v:
Catalysis Science & Technology. 6:5011-5022
Copper mordenite was used for the conversion of methane to methanol in a cyclic operation. Repeated cycling was possible using catalysts having different loadings prepared via aqueous ion exchange using copper(II) acetate (Cu-MORA) and solid state io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d4c57e795e4bf29f9f2d13226ef85c0
https://doi.org/10.1039/c6cy00041j
https://doi.org/10.1039/c6cy00041j
Publikováno v:
Tetrahedron: Asymmetry. 25:1346-1351
Only four types of dimeric precursors [RuCl2(η6-arene)]2 for the synthesis of Noyori’s half sandwich diamine catalysts [RuCl(TsDPEN)(η6-arene)] are commercially available, yet so far no study has tried to systematically evaluate how these systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de2a58609305972981b529e9864057e3
https://doi.org/10.1016/j.tetasy.2014.08.011
https://doi.org/10.1016/j.tetasy.2014.08.011