Synthesis and biological evaluation of novel myrtucommulones and structural analogues that target mPGES-1 and 5-lipoxygenase
作者:Katja Wiechmann、Hans Müller、Volker Huch、David Hartmann、Oliver Werz、Johann Jauch
DOI:10.1016/j.ejmech.2015.06.001
日期:2015.8
The natural acylphloroglucinol myrtucommulone A (1) inhibits microsomal prostaglandin E2 synthase (mPGES)-1 and 5-lipoxygenase (5-LO), and induces apoptosis of cancer cells. Starting from 1 as lead, 28 analogues were synthesized following a straightforward modular strategy with high yielding convergent steps. Major structural variations concerned (I) replacement of the syncarpic acid moieties by dimedone
天然酰基间苯三酚Myrtucommulone A(1)抑制微粒体前列腺素E 2合酶(mPGES)-1和5-脂氧合酶(5-LO),并诱导癌细胞凋亡。从1个铅开始,按照简单的模块化策略合成了28个类似物,并产生了高收率的收敛步骤。主要的结构变化涉及(I)用二甲基二酮或茚满二酮取代同型二羧酸部分,(II)用酰基间苯三酚核心将同型二羧酸环化,以及(III)用异丙基,异丁基,n取代次甲基桥和酰基残基-戊基或苯基。抑制mPGES-1的效力提高了12.5倍,达到43(2-(1-(3-己基-2,4,6-三羟基-5-(1-(3-羟基-1-氧代-1H-茚满-2-基)-2-甲基丙基)苯基)-2 -甲基丙基)-3-羟基-1H-茚满-1-酮,IC 50 = 0.08μM,5-LO抑制作用被47(2-((3-hexanoyl-2,4,6-具有IC 50的三羟基-5-((3-羟基-1-氧代-1H-茚满-2-基)(苯基