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A new diterpenoid from the leaves of Platycladus orientalis

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posted on 2017-09-25, 09:49 authored by Ji-Xiang Shi, Yu-Han Li, Xin Wang, Yu-Qin Qin, Chun-Yan Zhang, Xu Zhang, Cheng-Rong Li, Meng-Qi An, Ling-Rui Li, Shi-Hui Lu, Jing Huang

A new diterpenoid, 17-methyl-8, 13-labdadien-15, 16-olid-19-oic acid methyl ester (1), along with two known compounds 2 and 3, were isolated from the leaves of Platycladus orientalis (L.) Franco. The structures were confirmed based on the analysis of HR-MS, 1D-NMR, and 2D-NMR spectra and the configuration of 1 was confirmed by the single-crystal X-ray diffraction.

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