Zobrazeno 1 - 10
of 148
pro vyhledávání: '"Libor Červený"'
Publikováno v:
Reactions, Vol 2, Iss 4, Pp 486-498 (2021)
Acid-treated montmorillonites (MMT) were used as catalysts of carvone isomerization to carvacrol. Mineral acids—sulfuric, hydrochloric, nitric acids and organic acids (acetic and chloroacetic)—were used for the acid treatment. Prepared materials
Externí odkaz:
https://doaj.org/article/6ed87d47d7be4940ac158d9900f22f18
Publikováno v:
Catalysts, Vol 10, Iss 11, p 1244 (2020)
Natural source turpentine is an available source of α-pinene oxide. This compound’s value is especially given by the possibility of producing important compounds campholenic aldehyde and trans-carveol. In this work, we would like to present the us
Externí odkaz:
https://doaj.org/article/66164bd1b0b9416988de4b487dd26475
Publikováno v:
Molecules, Vol 16, Iss 7, Pp 5460-5495 (2011)
Methods for the asymmetric transfer hydrogenation (ATH) of ketones and imines are still being intensively studied and developed. Of foremost interest is the use of Noyori’s [RuCl(η6-arene)(N-TsDPEN)] complexes in the presence of a hydrogen donor (
Externí odkaz:
https://doaj.org/article/81c7867c195d41a8895860e90b509729
Publikováno v:
Research on Chemical Intermediates. 49:577-587
Publikováno v:
Research on Chemical Intermediates. 48:1403-1421
Autor:
Eliska Vyskočilová, David Šafařík, Kateřina Zítová, Eva Vrbková, Rami Dimitrov, Alice Vagenknechtová, Libor Červený
Publikováno v:
Catalysis Letters. 152:3576-3585
Publikováno v:
Research on Chemical Intermediates. 47:4297-4310
The preparation of α-terpineol by direct hydration of limonene catalyzed by zeolites beta was studied. The same catalyst was used to prepare perillyl alcohol by isomerization of β-pinene oxide in the presence of water. The aim was to optimize the r
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 132:729-749
Ruthenium half-sandwich complexes [Cp*Ru (diene compound)]+X− containing various commercially available diene compounds as ligands were tested as catalysts for the hydrogenation of diene compounds. Complexes containing acyclic, cyclic, bicyclic die
Publikováno v:
Catalysis Letters. 151:2673-2683
A new type of heterogeneous catalyst for hydration of α-pinene was prepared. Montmorillonite K10 was treated by various acids (H2SO4, HCl, HNO3, and ClCH2COOH) and successfully used for the mentioned reaction. The used characterization techniques sh
Publikováno v:
Catalysis Letters. 151:1993-2003
Prins intramolecular cyclization of citronellal giving desired product isopulegol was performed using different modified zeolites BETA (Si/Al ratio 25, 38 and 75 modified with iron or zinc of 1, 5 or 10 wt.% by wet impregnation method). In case of ma