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Recyclable [Ce(l-Pro)2]2 (Oxa) used as Heterogeneous Catalyst: One-Pot Synthesis of 2,3-Dihydroquinazolin-4(1H)-ones in Ethanol
Synthesis ( IF 2.2 ) Pub Date : 2017-08-24 , DOI: 10.1055/s-0036-1590886
Ramesh Katla 1 , Rakhi Chowrasia 1 , Caren da Silva 1 , Aline de Oliveira 1 , Beatriz dos Santos 1 , Nelson Domingues 1
Affiliation  

Abstract

[Ce(l-Pro)2]2 (Oxa) was used as a recyclable heterogeneous catalyst under mild conditions for the preparation of 2-aryl-2,3-dihydroquinazolin-4(1H)-one derivatives. The one-pot protocol proceeds in ethanol using anthranilamide with several aldehydes at 50–55 °C. The catalyst can be recycled and reused three cycles without significant loss of catalytic activity.

[Ce(l-Pro)2]2 (Oxa) was used as a recyclable heterogeneous catalyst under mild conditions for the preparation of 2-aryl-2,3-dihydroquinazolin-4(1H)-one derivatives. The one-pot protocol proceeds in ethanol using anthranilamide with several aldehydes at 50–55 °C. The catalyst can be recycled and reused three cycles without significant loss of catalytic activity.



中文翻译:

用作多相催化剂的可回收[Ce(1-Pro)2] 2(Oxa):在乙醇中一锅法合成2,3-二氢喹唑啉-4(1H)-酮

摘要

[Ce(1- Pro)2 ] 2(Oxa)在温和条件下用作可回收的多相催化剂,用于制备2-芳基-2,3-二氢喹唑啉-4(1 H)-一衍生物。一锅法在乙醇中使用邻氨基苯甲酰胺和几种醛在50–55°C下进行。该催化剂可以循环使用和再利用三个循环,而不会显着降低催化活性。

[Ce(1- Pro)2 ] 2(Oxa)在温和条件下用作可回收的多相催化剂,用于制备2-芳基-2,3-二氢喹唑啉-4(1 H)-一衍生物。一锅法在乙醇中使用邻氨基苯甲酰胺和几种醛在50–55°C下进行。该催化剂可以循环使用和再利用三个循环,而不会显着降低催化活性。

更新日期:2017-08-24
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