. "RIV/61388955:_____/13:00391356" . "\u010Cejka, Ji\u0159\u00ED" . "DE - Spolkov\u00E1 republika N\u011Bmecko" . . . "mesoporous molecular sieves; metal-organic frameworks; heterogeneous catalysis"@en . "Opanasenko, Maksym" . . "Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites" . "8"^^ . . "I, P(GBP106/12/G015)" . "The catalytic behavior of metal\u2013organic 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\u201398% 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 . . "Opanasenko, Maksym" . "The catalytic behavior of metal\u2013organic 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\u201398% 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." . . "4" . . . "Shamzhy, Mariya" . . "1867-3880" . "Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites"@en . "Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites"@en . "106239" . "5" . "3"^^ . "Shamzhy, Mariya" . "ChemCatChem" . . "[7F3C62981356]" . "Solid Acid Catalysts for Coumarin Synthesis by the Pechmann Reaction: MOFs versus Zeolites" . . . "3"^^ . "10.1002/cctc.201200232" . . "RIV/61388955:_____/13:00391356!RIV14-GA0-61388955" . . . . "000316809900021" .