Antioxidant activity of 5,10-dihydroindeno[1,2-b]indoles containing substituents on dihydroindeno part
作者:Oktay Talaz、İlhami Gülçin、Süleyman Göksu、Nurullah Saracoglu
DOI:10.1016/j.bmc.2009.07.077
日期:2009.9
10-dihydroindeno[1,2-b]indoles (3a–t) containing substituents such as methoxy, hydroxyl, and halogen (F, Cl, and Br) on indeno part was described. Antioxidant and radical scavenging activities of synthesized compounds (3a–t) were determined by various in vitro assays such as 1,1-diphenyl-2-picryl-hydrazyl free radicals (DPPH), 2,2′-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid radicals (ABTS+), N,N-dimethyl-p-phenylenediamine
描述了有效合成5,10-二氢茚并[1,2- b ]吲哚(3a – t)的茚满部分含有甲氧基,羟基和卤素(F,Cl和Br)的取代基。合成的化合物(3a – t)的抗氧化和清除自由基的活性通过各种体外测定方法来确定,例如1,1-二苯基-2-吡啶基-肼基自由基(DPPH ),2,2'-叠氮基双(3-乙基苯并噻唑啉-6-磺酸基团(ABTS +),N,N-二甲基-对苯二胺二盐酸盐基团(DMPD +)和超氧阴离子基团(Ø2个--)清除,还原能力的测定通过Fe 3+ -Fe 2+和Cu 2+ -Cu +(CUPRAC方法)转化方法,H 2 O 2清除和亚铁离子(Fe 2+)螯合活性来进行。此外,将这些活性与合成抗氧化剂和标准抗氧化剂(例如丁基化羟基茴香醚(BHA),丁基化羟基甲苯(BHT),α-生育酚和trolox)进行了比较。结果表明,合成的化合物(3a - t)具有有效的抗氧化能力。