New Labdane‐Type Diterpenoids from Amentotaxus argotaenia
Qin Yang, Guan Ye, Jia‐Quan Feng, Weimin Zhao
Abstract
Qin Yang, Guan Ye, Jia‐Quan Feng, Weimin Zhao
Abstract
Abstract A new labdane diterpene, amentotaxin A (1), and an unprecedented dinorlabdane diterpene, amentotaxin B (2), were isolated from the stems of Amentotaxus argotaenia (Hance) Pilger, together with seven known compounds. Their structures were identified by in‐depth spectroscopic and mass‐spectrometric analyses.
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Abstract A new labdane diterpene, amentotaxin A (1), and an unprecedented dinorlabdane diterpene, amentotaxin B (2), were isolated from the stems of Amentotaxus argotaenia (Hance) Pilger, together with seven known compounds. Their structures were identified by in‐depth spectroscopic and mass‐spectrometric analyses.
Key concepts: Labdane, Diterpene, Chemistry, Stereochemistry