Gold-Catalyzed Cycloisomerization and Diels-Alder Reaction of 1,4,9-Dienyne Esters to 3 a,6-Methanoisoindole Esters with Pro-Inflammatory Cytokine Antagonist Activity
作者:Dewi Susanti、Li-Juan Liu、Weidong Rao、Sheng Lin、Dik-Lung Ma、Chung-Hang Leung、Philip Wai Hong Chan
DOI:10.1002/chem.201500795
日期:2015.6.15
A synthetic method to prepare 3a,6‐methanoisoindole esters efficiently by gold(I)‐catalyzed tandem 1,2‐acyloxy migration/Nazarov cyclization followed by Diels–Alder reaction of 1,4,9‐dienyne esters is described. We also report the ability of one example to inhibit binding of tumor necrosis factor‐α (TNF‐α) to the tumor necrosis factor receptor 1 (TNFR1) site and TNF‐α‐induced nuclear factor κ‐light‐chain‐enhancer
描述了一种通过金(I)催化的串联1,2-酰氧基迁移/ Nazarov环化反应,然后通过1,4,9-二烯炔酯的Diels-Alder反应高效制备3a,6-甲基异吲哚酯的合成方法。我们还报告了一个实例抑制肿瘤坏死因子α(TNF-α)与肿瘤坏死因子受体1(TNFR1)位点和TNF-α诱导的核因子κ轻链增强剂结合的能力。 B细胞(NF-κB)在半最大抑制浓度细胞活化(IC 50为6.6μ)的值中号。同时,一项研究表明,基于分子模型分析,异吲哚基衍生物对人肝细胞肝癌(HepG2)细胞及其可能的活性模式显示出低毒性。