New Derivatives of 3,4-Dihydroisoquinoline-3-carboxylic Acid with Free-Radical Scavenging, D-Amino Acid Oxidase, Acetylcholinesterase and Butyrylcholinesterase Inhibitory Activity
作者:Jolanta Solecka、Adam Guśpiel、Magdalena Postek、Joanna Ziemska、Robert Kawęcki、Katarzyna Łęczycka、Agnieszka Osior、Bartłomiej Pietrzak、Krzysztof Pypowski、Agata Wyrzykowska
DOI:10.3390/molecules191015866
日期:——
A series of 3,4-dihydroisoquinoline-3-carboxylic acid derivatives were synthesised and tested for their free-radical scavenging activity using 2,2-diphenyl-1-picrylhydrazyl radical (DPPH·), 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical (ABTS·+), superoxide anion radical (O2·−) and nitric oxide radical (·NO) assays. We also studied D-amino acid oxidase (DAAO), acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibitory activity. Almost each of newly synthesised compounds exhibited radical scavenging capabilities. Moreover, several compounds showed moderate inhibitory activities against DAAO, AChE and BuChE. Compounds with significant free-radical scavenging activity may be potential candidates for therapeutics used in oxidative-stress-related diseases.
合成了一系列3,4-二氢异喹啉-3-羧酸衍生物,并使用2,2-二苯基-1-苦味肼自由基(DPPH·)、2,2'-联吡啶双(3-乙基苯噻唑啉-6-磺酸)自由基(ABTS·+)、超氧阴离子自由基(O2·−)和一氧化氮自由基(·NO)进行自由基清除活性测试。我们还研究了D-氨基酸氧化酶(DAAO)、乙酰胆碱酯酶(AChE)和丁酰胆碱酯酶(BuChE)的抑制活性。几乎每一种新合成的化合物都表现出了清除自由基的能力。此外,几种化合物对DAAO、AChE和BuChE表现出了中等的抑制活性。具有显著自由基清除活性的化合物可能是用于氧化应激相关疾病治疗的潜在候选药物。