of five newly synthesized furanyl chalcones (FCs) (E)-3-(5-(4-chlorophenyl)furan-2-yl)-1-arylprop-2-en-1-ones (3a-e). Their structural difference is based on the aryl substituent as follows (Ar): 3a = –C6H4–OCH3, 3b = –C6H3-(1,2-OCH3), 3c = –C6H4OC6H4, 3d = –C10H6-(OCH3) and 3e = –C4H3O. We used a Claisen-Schmidt condensation involving a 5-(4-chlorophenyl)furan-2-carbaldehyde and the corresponding
这项研究报告了五个新合成的呋喃基查耳酮(FC)(E)-3-(5-(4-氯苯基)呋喃-2-基)-1-芳基丙-2-对单线态氧(1 O 2)的抗氧化活性en-1个(3a-e)。其结构上的差异是基于所述芳基取代基如下(氩):3A = -C 6 H ^ 4 -OCH 3,图3b = -C 6 H ^ 3 - (1,2-OCH 3),图3c = -C 6 H ^ 4 OC 6 ħ 4,3D = -C 10ħ 6 - (OCH 3)和图3e = -C 4 H ^ 3 O.我们用克莱森-施密特缩合涉及5-(4-氯苯基)呋喃-2-甲醛和超声波照射下的对应的酮。根据Stern-Volmer模型在乙醇中确定的过程速率常数(25°C下的k Q)分析了它们对1 O 2淬灭的性质。对于化合物3c,3d和3e,k Q值相对于3a和3b略大。FC 3c表现为最佳淬灭剂(k Q为8.44(±0.09)x 10 7