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Open AccessArticle

Hyperjaponol H, A New Bioactive Filicinic Acid-Based Meroterpenoid from Hypericum japonicum Thunb. ex Murray

National & Local Joint Engineering Research Center of High-throughput Drug Screening Technology, Hubei Key Laboratory of Biotechnology of Chinese Traditional Medicine, School of Life Science, Hubei University, Wuhan 430062, China
Wuhan Rayson School, Wuhan 430040, China
Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Isabel C. F. R. Ferreira
Molecules 2018, 23(3), 683;
Received: 18 February 2018 / Revised: 13 March 2018 / Accepted: 16 March 2018 / Published: 18 March 2018
(This article belongs to the Collection Bioactive Compounds)
Hyperjaponol H (1), a new filicinic acid-based meroterpenoid, with a 6/6/10 ring system trans-fused by hetero-Diels–Alder cycloaddition between a germacrane sesquiterpenoid and a filicinic acid moiety, was isolated from aerial parts of Hypericum japonicum. The elucidation of its structure and absolute configuration were accomplished by the analyses of extensive spectroscopic data and the comparison of Cotton effects of electron circular dichroism (ECD) with previously reported ones. The bioactivity assay showed that hyperjaponol H exhibited a moderate inhibitory efficacy on lytic Epstein-Barr virus (EBV) DNA replication in B95-8 cells. View Full-Text
Keywords: Hypericum japonicum; meroterpenoid; Epstein-Barr virus Hypericum japonicum; meroterpenoid; Epstein-Barr virus
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MDPI and ACS Style

Wu, R.; Le, Z.; Wang, Z.; Tian, S.; Xue, Y.; Chen, Y.; Hu, L.; Zhang, Y. Hyperjaponol H, A New Bioactive Filicinic Acid-Based Meroterpenoid from Hypericum japonicum Thunb. ex Murray. Molecules 2018, 23, 683.

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