Phenylacetyl-/Trolox- Amides: Synthesis, Sigma-1, HDAC-6, and Antioxidant Activities.

Phenylacetyl-/Trolox- Amides: Synthesis, Sigma-1, HDAC-6, and Antioxidant Activities.
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苯乙酰基/trolox-酰胺:合成,Sigma-1,HDAC-6和抗氧化活性。

DOI:
10.3390/ijms242015295
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发表时间:
2023-10-18
影响因子:
5.6
通讯作者:
Sikazwe D
Sikazwe D
中科院分区:
生物学2区
文献类型:
--
作者:
Flores R;Iqbal S;Sikazwe D

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为了寻找治疗阿尔茨海默病(AD)的新型多机制方法,我们已着手合成单一小分子,以探究以下联合疾病靶点的作用:西格玛 - 1(σ - 1)、IIb类组蛋白去乙酰化酶 - 6(HDAC - 6)和氧化应激(OS)。在此,我们报道了20种酰胺(即苯乙酸和Trolox或6 - 羟基 - 2,5,7,8 - 四甲基色满 - 2 - 羧酸衍生物)的合成及部分评估。目标化合物通过酰胺化反应方便地合成,要么是酰氯与胺直接反应,要么是在偶联剂1 - [双(二甲基氨基)亚甲基] - 1H - 1,2,3 - 三唑并[4,5 - b]吡啶鎓3 - 氧化物六氟磷酸盐(HATU)或1,1′ - 羰基二咪唑(CDI)存在下使酸与胺缩合。总体而言,该项目得到了化合物8作为一种有前景的先导化合物,它具有σ - 1亲和力(Ki = 2.1 μM)、对HDAC - 6的抑制活性(IC50 = 17 nM)以及抗氧化(1.92个Trolox抗氧化当量或TEs)活性,可用于后续构效关系(SAR)研究中的优化。
In search of novel multi-mechanistic approaches for treating Alzheimer’s disease (AD), we have embarked on synthesizing single small molecules for probing contributory roles of the following combined disease targets: sigma-1 (σ-1), class IIb histone deacetylase-6 (HDAC-6), and oxidative stress (OS). Herein, we report the synthesis and partial evaluation of 20 amides (i.e., phenylacetic and Trolox or 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid derivatives). Target compounds were conveniently synthesized via amidation by either directly reacting acyl chlorides with amines or condensing acids with amines in the presence of coupling agents 1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo [4,5-b] pyridinium 3-oxide hexafluorophosphate (HATU) or 1,1′-carbonyldiimidazole (CDI). Overall, this project afforded compound 8 as a promising lead with σ-1 affinity (Ki = 2.1 μM), HDAC-6 (IC50 = 17 nM), and antioxidant (1.92 Trolox antioxidant equivalents or TEs) activities for optimization in ensuing structure–activity relationship (SAR) studies.
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