Enantioselective synthesis and antioxidant activity of 3,4,5-substituted piperidine derivatives
作者:Jin Ho Kim、Pranab K. Shyam、Mi Jeong Kim、Hwa-Jung Lee、Jeong Tae Lee、Hye-Young Jang
DOI:10.1016/j.bmcl.2016.04.092
日期:2016.7
In this study, 3,4,5-trisubstituted piperidines were synthesized enantioselectively, and their antioxidant activity was evaluated. The 3,4,5-trisubstituted piperidines containing TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl) and a spatially proximal hydroxy group showed good antioxidant activity. Some of these compounds showed IC50 values in a nanomolar range, comparable to that of TEMPO. Probably the
在这项研究中,对映选择性地合成了3,4,5-三取代哌啶,并评估了它们的抗氧化活性。含有TEMPO(2,2,6,6-四甲基哌啶-1-氧基)和空间上近端羟基的3,4,5-三取代哌啶显示出良好的抗氧化活性。其中一些化合物的IC50值在纳摩尔范围内,与TEMPO相当。由3,4,5-三取代的哌啶的CON键均化产生的TEMPO可能起到自由基清除实体的作用,并且哌啶的羟基对抗氧化活性具有协同作用。