Green synthesis of pyrido[2,1‐
<i>a</i>
]isoquinolines and pyrido[1,2‐
<i>a</i>
]quinolins using Fe
<sub>3</sub>
O
<sub>4</sub>
‐MNPs as efficient nanocatalyst: Study of antioxidant activity
作者:Naghmeh Faal Hamedani、Maryam Ghazvini、Leila Azad、Annataj Noushin
DOI:10.1002/jhet.3782
日期:2020.1
In this work, synthesis of pyrido[2,1‐a]isoquinolines and pyrido[1,2‐a]quinolins in excellent yield using multicomponent reaction of phthalaldehyde, methyl amine, methyl malonyl chloride, alkyl bromides, and triphenylphosphine in the presence of catalytic amount of Fe3O4‐MNPs with aqueous sodium hydroxide at 80°C was investigated. The reduction of ferric chloride solution with Clover Leaf water extract
在这项工作中,使用苯二甲醛,甲胺,甲基丙二酰氯,烷基溴化物和三苯基膦的多组分反应,以优异的产率合成了吡啶并[2,1- a ]异喹啉和吡啶并[1,2- a ]喹啉。研究了氢氧化钠水溶液在80°C时催化的Fe 3 O 4 -MNPs的催化量。用三叶草叶水提取物还原氯化铁溶液导致了绿色方法的合成磁性氧化铁纳米颗粒(Fe 3 O 4 -MNPs)。同时,还研究了一些新合成的化合物如6a,6c,9b的抗氧化活性和9c使用DPPH自由基捕获和还原铁离子的实验,并将结果与合成抗氧化剂(TBHQ和BHT)进行了比较。结果,化合物6a,6c,9b和9c显示出良好的DPPH自由基捕获和优异的三价铁离子还原强度。