Cyanuric Chloride Catalyzed Mild Protocol for Synthesis of Biologically Active Dihydro/Spiro Quinazolinones and Quinazolinone-glycoconjugates
作者:Moni Sharma、Shashi Pandey、Kuldeep Chauhan、Deepty Sharma、Brijesh Kumar、Prem M. S. Chauhan
DOI:10.1021/jo2020856
日期:2012.1.20
We have developed an efficient cyanuric chloride (2,4,6-trichloro-1,3,5-triazine, TCT) catalyzed approach for the synthesis of 2,3-dihydroquinazolin-4(1H)-one (3a–3x), 2-spiroquinazolinone (5, 7), and glycoconjugates of 2,3-dihydroquinazolin-4(1H)-one (10a, 10b) derivatives. The reaction allows rapid cyclization (8–20 min) with 10 mol % cyanuric chloride to give skeletal complexity in good to excellent
我们已经开发了一种有效的氰尿酰氯(2,4,6-三氯-1,3,5-三嗪,TCT)催化方法,用于合成2,3-二氢喹唑啉-4(1 H)-一(3a – 3x) ,2- spiroquinazolinone(5,7),和2,3-二氢喹唑啉-4(1结合糖ħ) -酮(10A,10B)的衍生物。该反应允许使用10 mol%的氰尿酰氯快速环化(8–20分钟),从而以高至优异的产率获得复杂的骨架。我们相信,这种新颖的方法可能为容易产生新的生物活性喹唑啉酮打开大门。