首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Isolation, evaluation of bioactivity and structure determination of amethinol A, a prototypic amethane diterpene from Isodon amethystoides Isodon amethystoides bearing a six/five/seven‐membered carbon‐ring system
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Isolation, evaluation of bioactivity and structure determination of amethinol A, a prototypic amethane diterpene from Isodon amethystoides Isodon amethystoides bearing a six/five/seven‐membered carbon‐ring system

机译:含有六/五/七元碳环系统的含有六/五/七元碳环系统的含有六/五/七元碳环系统的异常胺氨基乙烯类氨基乙烷的生物活性A,含有原型氨基乙烷二萜类的生物活性和结构测定。

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摘要

We report the isolation of a novel diterpene, designated as `amethane', from Isodon amethystoides (Lamiaceae). The diterpene [amethinol A; systematic name: (4a R ,4b R ,7 R ,10a S )‐4b,7‐dihydroxy‐7‐isopropyl‐1,1‐dimethyl‐9‐oxododecahydrobenzo[ a ]azulene‐4a(2 H )‐carboxylic acid], possesses a unique skeleton containing a six/five/seven‐membered tricyclic system. Intermolecular O—H…O close contacts were found to the carboxyl, carbonyl and hydroxy groups, connecting molecules into a two‐dimensional structure. A possible biosynthetic pathway has been proposed. In addition, the compound was evaluated for its biological activities against different disease targets, and was found to significantly attenuate RORγt‐dependent autoimmune responses.
机译:我们报告了从Isodon Amethystoides(LamiCeae)分离为指定为“Amethane”的新型二萜。 二萜[amethinol a; 系统名称:(4a r,4b r,7 r,10a s)-4b,7-二羟基-7-异丙基-1,1-二甲基-9-氧代二乙二酰基[a]茉莉烯-4a(2h) - 羧酸] ,拥有含有六个/五/七元三环系统的独特骨架。 分子间O-H ... o发现羧基,羰基和羟基,将分子连接到二维结构中。 已经提出了一种可能的生物合成途径。 此外,评价该化合物的生物活性针对不同疾病靶标的生物活性,并发现明显衰减RORγT依赖性自身免疫反应。

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