About: Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The catalytic behavior of metal–organic frameworks Cu-benzene- 1,3,5-tricarboxylate (CuBTC) and Fe-benzene-1,3,5-tricarboxylate (FeBTC) was investigated in the Pechmann condensation of different phenols (resorcinol, pyrogallol, and naphthol) with ethyl acetoacetate and compared with large-pore zeolites beta (BEA) and ultrastable Y (USY). Zeolites BEA and USY exhibited high activity in transformations of the most active substrates (resorcinol and pyrogallol) but a low conversion of naphthol was observed. Almost total transformation of naphthol (94–98% conversion) to the target product was achieved within 24 h of the reaction time over CuBTC and FeBTC. We assume that the regularity in the arrangement of active sites within the framework of CuBTC, which results in the existence of 2 active centers in close proximity, is of critical importance to the transformation of naphthol in the Pechmann reaction that leads to coumarin. The catalytic behavior of metal–organic frameworks Cu-benzene- 1,3,5-tricarboxylate (CuBTC) and Fe-benzene-1,3,5-tricarboxylate (FeBTC) was investigated in the Pechmann condensation of different phenols (resorcinol, pyrogallol, and naphthol) with ethyl acetoacetate and compared with large-pore zeolites beta (BEA) and ultrastable Y (USY). Zeolites BEA and USY exhibited high activity in transformations of the most active substrates (resorcinol and pyrogallol) but a low conversion of naphthol was observed. Almost total transformation of naphthol (94–98% conversion) to the target product was achieved within 24 h of the reaction time over CuBTC and FeBTC. We assume that the regularity in the arrangement of active sites within the framework of CuBTC, which results in the existence of 2 active centers in close proximity, is of critical importance to the transformation of naphthol in the Pechmann reaction that leads to coumarin. (en)
Title	Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites (en)
skos:prefLabel	Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites (en)
skos:notation	RIV/61388955:_____/13:00391356!RIV14-GA0-61388955
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GBP106/12/G015)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Čejka, Jiří Opanasenko, Maksym Shamzhy, Mariya
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	106239
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/13:00391356
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mesoporous molecular sieves; metal-organic frameworks; heterogeneous catalysis (en)
http://linked.open.../riv/klicoveSlovo	mesoporous molecular sieves heterogeneous catalysis metal-organic frameworks
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[7F3C62981356]
http://linked.open...i/riv/nazevZdroje	ChemCatChem
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Intelligent design of nanoporous adsorbents and catalysts
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Čejka, Jiří Opanasenko, Maksym Shamzhy, Mariya
http://linked.open...ain/vavai/riv/wos	000316809900021
issn	1867-3880
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/cctc.201200232

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