Inhibition of horseradish peroxidase catalytic activity by new 3-phenylcoumarin derivatives: Synthesis and structure–activity relationships
作者:Luciana M. Kabeya、Anderson A. de Marchi、Alexandre Kanashiro、Norberto P. Lopes、Carlos H.T.P. da Silva、Mônica T. Pupo、Yara M. Lucisano-Valim
DOI:10.1016/j.bmc.2006.10.068
日期:2007.2.1
which also show this substituent in the B-ring. The presence of 6,2'-dihydroxy group or 6,7,3',4'-tetraacetoxy group in the 3-phenylcoumarin structure also contributed to a significant inhibitory effect on the HRP activity. The catechol-containing 3-phenylcoumarin derivatives also showed free radical scavenger activity. Molecular modeling studies by docking suggested that interactions between the heme
合成了二十种羟基化和乙酰氧基化的3-苯基香豆素,并通过评估这些化合物调节辣根过氧化物酶(HRP)催化活性的能力并将结果与四种类黄酮(槲皮素,杨梅素,山奈酚和高良姜精)进行比较,研究了结构活性关系。 ,以前被报道为HRP抑制剂。观察到带有邻苯二酚基团的3-苯基香豆素与槲皮素和杨梅素一样有活性,它们在B环上也显示出该取代基。3-苯基香豆素结构中6,2′-二羟基或6,7,3′,4′-四乙酰氧基的存在也对HRP活性具有明显的抑制作用。含儿茶酚的3-苯基香豆素衍生物也显示出自由基清除剂活性。