Chemical synthesis and biological evaluation of ω-hydroxy polyunsaturated fatty acids
作者:Sung Hee Hwang、Karen Wagner、Jian Xu、Jun Yang、Xichun Li、Zhengyu Cao、Christophe Morisseau、Kin Sing Stephen Lee、Bruce D. Hammock
DOI:10.1016/j.bmcl.2016.12.002
日期:2017.2
ω-Hydroxy polyunsaturated fatty acids (PUFAs), natural metabolites from arachidonic acid (ARA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) were prepared via convergent synthesis approach using two key steps: Cu-mediated CC bond formation to construct methylene skipped poly-ynes and a partial alkyne hydrogenation where the presence of excess 2-methyl-2-butene as an additive that is proven
ω-羟基多不饱和脂肪酸(PUFAs),花生四烯酸(ARA),二十碳五烯酸(EPA)和二十二碳六烯酸(DHA)的天然代谢产物通过两个关键步骤通过汇聚合成方法制备:Cu介导的C C键形成亚甲基跳过了聚乙炔和部分炔烃的氢化反应,其中过量的2-甲基-2-丁烯作为添加剂的存在被证明对于将聚乙炔部分还原为相应的顺式成功至关重要-烯烃没有过度氢化。在幼稚大鼠中评估了ω-羟基PUFAs在疼痛中的潜在生物学功能。足底内注射后,在机械痛觉测定中,20-羟基二十碳四烯酸(20-HETE,ω-羟基ARA)使爪退缩阈值急剧降低,但接受20-羟基二十碳五烯酸(20 -HEPE,ω-羟基EPA)或22-羟基二十二碳六烯酸(22-HDoHE,ω-羟基DHA)。我们还发现20-HEPE和22-HDoHE都比20-HETE更有效地激活鼠类瞬态受体电位类香草受体1(m TRPV1)。