Integrative Biology Journals

Natural Products and Bioprospecting ›› 2025, Vol. 15 ›› Issue (4): 33-33.DOI: 10.1007/s13659-025-00515-w

• ORIGINAL ARTICLES • Previous Articles     Next Articles

Enantiomeric diarylheptanoids from Ottelia acuminata var. acuminata and their α-glucosidase inhibitory activity

Jia-Ru Zhou1,2, Xin-Yue Hu1,2, Hong-Xing Liu1, Yu Zhou1,2, Fei-Fei Xiong1,2, Jian-Jun Zhao1, Xing-Ren Li1, Gang Xu1   

  1. 1. State Key Laboratory of Phytochemistry and Natural Medicines, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China;
    2. University of Chinese Academy of Sciences, Beijing, 100049, China
  • Received:2025-03-10 Accepted:2025-04-20 Online:2025-05-16 Published:2025-08-23
  • Supported by:
    This study was supported financially by Yunnan Key Laboratory Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan (APR202301), Yunnan Revitalization Talent Support Program “Innovation Team” Project (202305AS350014), and Foundation of DR. PLANT.

Enantiomeric diarylheptanoids from Ottelia acuminata var. acuminata and their α-glucosidase inhibitory activity

Jia-Ru Zhou1,2, Xin-Yue Hu1,2, Hong-Xing Liu1, Yu Zhou1,2, Fei-Fei Xiong1,2, Jian-Jun Zhao1, Xing-Ren Li1, Gang Xu1   

  1. 1. State Key Laboratory of Phytochemistry and Natural Medicines, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China;
    2. University of Chinese Academy of Sciences, Beijing, 100049, China
  • 通讯作者: Xing-Ren Li, E-mail:lixingren@mail.kib.ac.cn;Gang Xu, E-mail:xugang008@mail.kib.ac.cn
  • 基金资助:
    This study was supported financially by Yunnan Key Laboratory Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan (APR202301), Yunnan Revitalization Talent Support Program “Innovation Team” Project (202305AS350014), and Foundation of DR. PLANT.

Abstract: Otteacumienes G–K (15), five pairs of enantiomeric diarylheptanoids, along with one undescribed diarylheptanoid glycoside and one new lignan, were isolated from Ottelia acuminata var. acuminata. Compounds 15 were identified as five pairs of enantiomers and their structural configurations were determined through a combination of spectroscopic analysis, X-ray crystallography, and ECD calculation. Notably, compound 6 was the first diarylheptanoid glycoside isolated from this aquatic species, and its absolute configuration was unequivocally established through semi-synthesis. Biological evaluation demonstrated that compound 1 exhibited α-glucosidase inhibitory activity, with an inhibition ratio of 38.97% (acarbose as the positive control, inhibition ratio = 13.52%).

Key words: Ottelia acuminata, Diarylheptanoids, Enantiomers, α-Glucosidase inhibitory activity

摘要: Otteacumienes G–K (15), five pairs of enantiomeric diarylheptanoids, along with one undescribed diarylheptanoid glycoside and one new lignan, were isolated from Ottelia acuminata var. acuminata. Compounds 15 were identified as five pairs of enantiomers and their structural configurations were determined through a combination of spectroscopic analysis, X-ray crystallography, and ECD calculation. Notably, compound 6 was the first diarylheptanoid glycoside isolated from this aquatic species, and its absolute configuration was unequivocally established through semi-synthesis. Biological evaluation demonstrated that compound 1 exhibited α-glucosidase inhibitory activity, with an inhibition ratio of 38.97% (acarbose as the positive control, inhibition ratio = 13.52%).

关键词: Ottelia acuminata, Diarylheptanoids, Enantiomers, α-Glucosidase inhibitory activity