Design and synthesis of azolopyrimidoquinolines, pyrimidoquinazolines as anti-oxidant, anti-inflammatory and analgesic activities
作者:A.B.A. El-Gazzar、M.M. Youssef、A.M.S. Youssef、A.A. Abu-Hashem、F.A. Badria
DOI:10.1016/j.ejmech.2008.03.022
日期:2009.2
intermediates for the synthesis of thiazolo[3′,2′:1,2]pyrimido[4,5-b]-quinolines (5a–c), isoxazolo[5″,4″:4′,5′]thiazolo[3′,2′:1,2]pyrimido[4,5-b]quinolines (6a–c), 4-chloro-2-methylthio-pyrimido[4,5-b]quinoline, its amino derivatives (19–21) and 10,11,12,13-tetrahydro-5H-quino[2′,3′:4,5]pyrimido[6,1-b]quinazoline (22). The newly synthesized compounds were characterized by IR, NMR (1H, 13C) and mass spectral
制备了5,10-二氢-2-硫代嘧啶并[4,5- b ]喹啉(2a – c)及其氧化形式3,并将其用作合成噻唑并[3',2':1的关键中间体,2] pyrimido [4,5- b ]-喹啉(5a – c),isoxazolo [5″,4“:4',5'] thiazolo [3',2':1,2,] pyrimido [4,5 - b〕喹啉(6A - ç),4-氯-2-甲硫基嘧啶并[4,5- b ]喹啉,它的氨基衍生物(19 - 21)和10,11,12,13-四氢-5- ħ -喹[2',3':4,5]嘧啶[6,1- b ]喹唑啉(22)。通过IR,NMR(1 H,13 C)和质谱研究对新合成的化合物进行了表征。测试了合成化合物中的代表性化合物,并评估了其抗氧化,抗炎和镇痛活性。使用红细胞溶血法或ABTS方法,化合物2a – c表现出最高的抗氧化抑制活性。化合物2a,10b,16和17a对博来