期刊
TETRAHEDRON LETTERS
卷 61, 期 10, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2019.151587
关键词
Green chemistry; Gemini ionic liquids; 2,3-Dihydroquinazolin-4(1H)-ones; Cascade synthesis
资金
- DBT, New Delhi, India [BT/PR24684/NER/95/810/2017]
- UGC-SAP programme
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. (C) 2020 Elsevier Ltd. All rights reserved.
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