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Gemini basic ionic liquid as bi-functional catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones at room temperature
Tetrahedron Letters ( IF 1.5 ) Pub Date : 2019-12-30 , DOI: 10.1016/j.tetlet.2019.151587
Apurba Dutta , Krishnaiah Damarla , Arvind Kumar , Prakash J. Saikia , Diganta Sarma

A cascade synthesis of 2,3-dihydroquinazolin-4(1H)-ones has been developed from 2-aminobenzonitriles and carbonyl analogues using Gemini basic ionic liquid as green catalyst cum solvent at room temperature. Both aldehydes and ketones were condensed with 2-aminobenzonitriles affording good to excellent yields of products. Moreover, the ionic liquids can be reused up to 5th cycle without significant loss of catalytic activity.



中文翻译:

Gemini碱性离子液体作为双功能催化剂,可在室温下合成2,3-二氢喹唑啉-4(1 H)-ones

在室温下,使用Gemini碱性离子液体作为绿色催化剂和溶剂,由2-氨基苯甲腈和羰基类似物开发了2,3-二氢喹唑啉-4(1 H)-ones的级联合成。醛和酮都与2-氨基苄腈缩合,从而提供了良好或优异的产物收率。此外,离子液体可重复使用至5循环,而不会显着降低催化活性。

更新日期:2019-12-30
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