Synthesis of organic nitrates of luteolin as a novel class of potent aldose reductase inhibitors
作者:Qi-Qin Wang、Ning Cheng、Xiao-Wei Zheng、Sheng-Ming Peng、Xiao-Qing Zou
DOI:10.1016/j.bmc.2013.04.066
日期:2013.7
Aldose reductase (AR) plays an important role in the design of drugs that prevent and treat diabetic complications. Aldose reductase inhibitors (ARIs) have received significant attentions as potent therapeutic drugs. Based on combination principles, three series of luteolin derivatives were synthesised and evaluated for their AR inhibitory activity and nitric oxide (NO)-releasing capacity in vitro
醛糖还原酶(AR)在预防和治疗糖尿病并发症的药物设计中起着重要作用。醛糖还原酶抑制剂(ARIs)作为有效的治疗药物受到了广泛的关注。根据结合原理,合成了三组木犀草素衍生物,并对其体外AR抑制活性和一氧化氮释放能力进行了评估。发现十八种化合物是有效的ARI,IC 50值范围为(0.099±0.008)μM至(2.833±0.102)μM。O 7-亚硝基氧乙基-O 3',O 4'-亚乙基木犀草素(La1)表现出最强的AR抑制活性[IC 50 =(0.099±0.008)μM]。在1-半胱氨酸存在下,所有有机硝酸盐衍生物均释放出低浓度的NO 。结构与活性之间的关系研究表明,引入NO供体,保护儿茶酚结构以及将2碳间隔基的醚链作为木犀草素支架上的偶联链都有助于提高所得化合物的AR抑制活性。这类作为有效ARI的NO供体木犀草素衍生物为开发和设计用于糖尿病并发症的预防和治疗药物的新药物提供了新概念。