Cheap and Efficient Protocol for the Synthesis of Tetrahydroquinazolinone, Dihydropyrimidinone, and Pyrimidinone Derivatives
作者:Maryam Mirza-Aghayan、Alireza Moradi、Mohammad Bolourtchian、Rabah Boukherroub
DOI:10.1080/00397910902883736
日期:2009.12.15
j, k), 4-aryl-3,4-dihydro-1H-indeno[1,2-d]pyrimidin-2(5H)-one (3b, e, h, i), 4-aryl-5,6-dihydrobenzo[h]quinazolin-2(3H)-one (3j′, k′, l′), and 4-aryl-3,5-dihydro-2H-indeno[1,2-d]pyrimidin-2-one (3i′, m′, n′, o′, p′) derivatives. Furthermore, we have synthesized the pyrimidinone derivatives (6a′–e′) using a catalytic amount of cupric chloride from aldehydes, acyclic ketones and urea. The tautomeric interconversion
该文章报道了一种实用、简单且廉价的方法,用于使用催化量的氯化铵或高氯酸锂从醛、环酮和尿素合成四氢喹唑啉酮和二氢嘧啶酮衍生物。该协议为产品提供了良好的产量和简单的后处理程序。通过该方法,我们制备并表征了4-芳基-3,4,5,6-四氢苯并[h]喹唑啉-2(1H)-one (3a, c, d, f, g, j, k), 4-aryl-3,4-dihydro-1H-indeno[1,2-d]pyrimidin-2(5H)-one (3b, e, h, i), 4-aryl-5,6-dihydrobenzo[h] quinazolin-2(3H)-one (3j', k', l'), and 4-aryl-3,5-dihydro-2H-indeno[1,2-d]pyrimidin-2-one (3i', m ', n', o', p') 衍生物。此外,我们使用催化量的氯化铜从醛、无环酮和尿素合成了嘧啶酮衍生物(6a'-e')。