Departamento de Química, Universidad Técnica Federico Santa María, Av. España No. 1680, Valparaíso 2340000, Chile.
Instituto Universitario de Bio-Orgánica Antonio González (CIBICAN), Departamento de Química Orgánica, Universidad de La Laguna, Av. Astrofísico Fco, Sánchez 2, 38206 La Laguna, Spain.
Molecules. 2021 Nov 11;26(22):6815. doi: 10.3390/molecules26226815.
is a ubiquitous fungus that affects hundreds of plants, resulting in economic losses to the horticulture and fruit industry. The search for new antifungal agents is a matter of current interest. Thus, in this work a series of geranylated phenols in which the side alkyl chain has been hydrated have been synthesized, and their activity against has been evaluated. The coupling of phenol and geraniol has been accomplished under microwave irradiation obtaining the highest reaction yields in the shortest reaction times. Hydration of the side chain was carried out in dioxane with -toluenesulfonic acid polymer-bound as the catalyst. All synthesized compounds were tested against using the growth inhibition assay and EC values were determined. The results show that activity depends on the number and nature of functional groups in the phenol ring and hydration degree of the geranyl chain. The most active compound is 1,4-dihydroquinone with one hydroxyl group attached at the end of the alkyl chain. Results from a molecular docking study suggest that hydroxyl groups in the phenol ring and alkyl chain are important in the binding of compounds to the active site, and that the experimental antifungal activity correlates with the number of H-bond that can be formed in the binding site.
是一种普遍存在的真菌,影响数百种植物,给园艺和水果产业造成经济损失。寻找新的抗真菌剂是当前的研究热点。因此,在这项工作中,我们合成了一系列侧链烷基被水合的香叶基化酚类化合物,并评估了它们对 的活性。在微波辐射下,酚类化合物和香叶醇通过偶联反应合成了这些化合物,在最短的反应时间内获得了最高的反应收率。在二氧六环中用对甲苯磺酸聚合物负载作为催化剂进行侧链水合反应。所有合成的化合物都用生长抑制法进行了抗 活性测试,并测定了 EC 值。结果表明,活性取决于酚环上的官能团数量和性质以及香叶基链的水合程度。最活跃的化合物是 1,4-二羟基醌,其烷基链末端有一个羟基。分子对接研究的结果表明,酚环和烷基链上的羟基在化合物与活性位点结合中很重要,实验抗真菌活性与结合位点中可形成的氢键数量相关。