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Flóra Nagy, Kinga Szabó, Péter Bugovics, Gábor Hornyánszky
Pág. 414 - 424
An efficient and easy-to-perform method was developed for covalent immobilization of lipase from Burkholderia cepacia (Lipase PS) on hollow silica microspheres (M540) by bisepoxide activation. For immobilization, various bisepoxides of different length, ...
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Márk Oláh, Szandra Suba, Zoltán Boros, Péter Kovács, Mathilde Gosselin, Charles Gaudreault, Gábor Hornyánszky
Pág. 519?532
Hollow silica microspheres with promising physical properties (MAT540TM) as support for enzyme immobilization and biocatalyst were investigated in this study. The amine-functionalized MAT540TM was activated by six bisepoxides inclosing different spacers ...
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Evelin Bell, Zoltán Boros, Gábor Hornyánszky
Pág. 124 - 128
meso-1-Substituted-3,4-dihydroxypyrrolidines were synthesized in three steps from (Z)-but-2-ene-1,4-diol involving RuCl3-catalyzed cis-dihydroxylation of (Z)-but-2-ene-1,4-diyl dimethanesulfonate. In this key step RuCl3-catalysis allowed us to avoid the ...
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Mercédesz Torincsi, Gábor Hornyánszky, Pál Kolonits, Lajos Novák
Pág. 16 - 25
This review article describes the main results of our research during the last 5-6 years. A series of new rearrangement reactions was discovered and used for the synthesis of novel heterocyclic compounds: furo[2,3-f]isoquinolines, furo[3,2 -f]quinolines,...
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Zoltán Boros, Gábor Hornyánszky, József Nagy, László Poppe
Pág. 59 - 71
The activity of Bioorganic Chemistry Group (BCG) within Department of Organic Chemistry and Technology at Budapest University of Technology and Economics is related to various areas of synthetic chemistry, biotechnology and enzymology. This review gives ...
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Katalin Kupai, Gábor Hornyánszky, Lajos Novák
Pág. 53 - 54
Optimization of the synthesis of carba analogs of physostigmine is described. Aza-Claisen-rearrangement, followed by aza-Alder-ene reaction of aniline derivatives gave the title product besides some byproduct. The effects of the amounts of catalyst, solv...
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László Nagy-Gyor, Emese Farkas, Mihai Lacatu?, Gergo Tóth, Dániel Incze, Gábor Hornyánszky, Viktória Bódai, Csaba Paizs, László Poppe, Diána Balogh-Weiser
Pág. 153 - 161
In this study, an efficient and generally applicable 2nd generation sol ? gel entrapment method was developed for immobilization of yeastcells. Cells of Lodderomyces elongisporus, Candida norvegica, Debaryomyces fabryi, Pichia carsonii strains ...
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