"1-2" . "The synthesis of N-substituted imidazoles via alkylation of imidazole with 1-bromobutane using sonochemical and thermal activations over zeolites (H-ZSM-5, Mordenite, H-Beta and H-Y) is reported. The effect of the acidity and channel size of zeolites on the activity and selectivity of imidazole alkylation was investigated in a liquid phase. The N-alkylimidazoles are important intermediates in the synthesis of pharmaceuticals with antiviral properties. N-alkylimidazoles were obtained in high yields (>80%) as main product (100% selectivity) under mild conditions, ultrasound (US) activation at 333 K in only 1 h, when Mordenite and NH4Y zeolites were used as catalysts." . "Sonokatal\u00FDza a zeolity: vhodn\u00FD postup pro p\u0159\u00EDpravu N-alkylimidazol\u016F"@cs . . . . . "N-alkylimidazoles; sonocatalysis; green chmistry"@en . "\u010Cejka, Ji\u0159\u00ED" . "338" . . "Applied Catalysis A - General" . "NL - Nizozemsko" . "Sonocatalysis and zeolites: An efficient route to prepare N-alkylimidazoles Kinetic aspects"@en . . . "RIV/61388955:_____/08:00309860" . "6"^^ . "Bejblov\u00E1, Martina" . "L\u00F3pez-Peinado, A. J." . "The synthesis of N-substituted imidazoles via alkylation of imidazole with 1-bromobutane using sonochemical and thermal activations over zeolites (H-ZSM-5, Mordenite, H-Beta and H-Y) is reported. The effect of the acidity and channel size of zeolites on the activity and selectivity of imidazole alkylation was investigated in a liquid phase. The N-alkylimidazoles are important intermediates in the synthesis of pharmaceuticals with antiviral properties. N-alkylimidazoles were obtained in high yields (>80%) as main product (100% selectivity) under mild conditions, ultrasound (US) activation at 333 K in only 1 h, when Mordenite and NH4Y zeolites were used as catalysts."@en . "0926-860X" . "[ECFBBF7E6175]" . "Calvino-Casilda, V." . . "2"^^ . . . "Sonocatalysis and zeolites: An efficient route to prepare N-alkylimidazoles Kinetic aspects" . "Sonokatal\u00FDza a zeolity: vhodn\u00FD postup pro p\u0159\u00EDpravu N-alkylimidazol\u016F"@cs . "Sonocatalysis and zeolites: An efficient route to prepare N-alkylimidazoles Kinetic aspects"@en . . "Pr\u00E1ce se zab\u00FDv\u00E1 synt\u00E9zou N-substituovan\u00FDch imidazol\u016F alkylac\u00ED imidazolu 1-brombutanem za pou\u017Eit\u00ED sonochemick\u00E9 a termick\u00E9 aktivace. Reakce byly katalyzovan\u00E9 zeolity H-ZSM-5, Mordenit, H-Beta a H-Y. Zkoum\u00E1m byl vliv kyselosti a struktury zeolit\u016F na aktivitu a selektivitu alkylace imidazolu v kapaln\u00E9 f\u00E1zi. N-alkylimidazoly p\u0159edstavuj\u00ED d\u016Fle\u017Eit\u00E9 meziprodukty pro synt\u00E9zu farmak s protivirov\u00FDmi vlastnostmi. V p\u0159\u00EDtomnosti Mordenitu a NH4Y zeolitu byly N-alkylimidazoly z\u00EDsk\u00E1ny ve vysok\u00FDch v\u00FDt\u011B\u017Ec\u00EDch (>80%) jako hlavn\u00ED produkt (selektivita 100%) p\u0159i m\u00EDrn\u00FDch reak\u010Dn\u00EDch podm\u00EDnk\u00E1ch, ultrazvukov\u00E9 aktivaci p\u0159i 333 K b\u011Bhem 1 h."@cs . . . . . "P(1QS400400560), Z(AV0Z40400503)" . . "Sonocatalysis and zeolites: An efficient route to prepare N-alkylimidazoles Kinetic aspects" . "5"^^ . "RIV/61388955:_____/08:00309860!RIV09-AV0-61388955" . . "000254905200018" . "Mart\u00EDn-Aranda, R. M." . . "395949" .