Three new antifungal phthalide derivatives from Cajanus cajan

IF 2.6 3区 医学 Q3 CHEMISTRY, MEDICINAL Fitoterapia Pub Date : 2025-04-01 Epub Date: 2025-03-01 DOI:10.1016/j.fitote.2025.106462
Liyuan Yao , Aikebaier Jumai , Xiancai Li , Shaohua Chen , Bailin Li , Sheng-Xiang Qiu
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Abstract

Three new phthalide derivatives, denominated Cajanthalides A, B and C (13), were identified from the leaves of Cajanus cajan. Their structures were meticulously elucidated through comprehensive analysis utilizing UV, IR, NMR (1D and 2D), HRESIMS, chiral analysis and DP4+ analysis. Notably, these new phthalide derivatives are present in racemic forms, with compounds 2 and 3 sharing identical planar structures. A plausible biogenetic pathway is proposed to account for the biosynthesis of compounds 13. Biological evaluation revealed that compound 2 exhibited moderate antifungal activity against C. neoformans, C. albicans and M. furfur with MIC values of 40 μg/mL.

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三种新的槐属邻苯酞类抗真菌衍生物。
从Cajanus cajan的叶片中鉴定出3个新的邻苯酞衍生物,分别命名为Cajanthalides A、B和C(1-3)。通过紫外、红外、核磁共振(1D和2D)、hresms、手性分析和DP4+分析对其结构进行了详细的分析。值得注意的是,这些新的邻苯酞衍生物以外消旋形式存在,化合物2和3具有相同的平面结构。提出了一种合理的生物遗传途径来解释化合物1-3的生物合成。生物评价表明,化合物2对新生假丝酵母菌、白色假丝酵母菌和毛皮假丝酵母菌具有中等抑菌活性,MIC值为40 μg/mL。
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来源期刊
Fitoterapia
Fitoterapia 医学-药学
CiteScore
5.80
自引率
2.90%
发文量
198
审稿时长
1.5 months
期刊介绍: Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas: 1. Characterization of active ingredients of medicinal plants 2. Development of standardization method for bioactive plant extracts and natural products 3. Identification of bioactivity in plant extracts 4. Identification of targets and mechanism of activity of plant extracts 5. Production and genomic characterization of medicinal plants biomass 6. Chemistry and biochemistry of bioactive natural products of plant origin 7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.
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