Guajadials C-F, four unusual meroterpenoids from <i>Psidium guajava</i>

doi:10.1007/s13659-012-0102-4

Natural Products and Bioprospecting

2013, Vol. 3

Issue (1) : 14-19 DOI: 10.1007/s13659-012-0102-4

Regular Article

Guajadials C-F, four unusual meroterpenoids from Psidium guajava

Yuan GAO^a,b,c, Gen-Tao LI^a, Yan LI^a, Ping HAI^b, Fei WANG^a,b, Ji-Kai LIU^a

a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
b BioBioPha Co., Ltd., Kunming 650201, China;
c University of Chinese Academy of Sciences, Beijing 100049, China

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Abstract Guajadials C-F (1-4), four sesquiterpenoid-based meroterpenoids with unprecedented skeletons were isolated from the leaves of Psidium guajava. Their structures and relative configurations were established by extensive spectroscopic analysis. A possible biosynthetic pathway for 1-4 was also proposed.

Keywords Psidium guajava meroterpenoid guajadial

Fund:The authors acknowledge the National Basic Research Program of China (973 Program, 2009CB522300), the "West Light" program of Chinese Academy of Sciences, and the National Natural Science Foundation of China (U1132607).

Issue Date: 11 February 2018

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	Ji-Kai LIU

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Yuan GAO,Gen-Tao LI,Yan LI, et al. Guajadials C-F, four unusual meroterpenoids from Psidium guajava[J]. Natural Products and Bioprospecting, 2013, 3(1): 14-19.

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http://npb.kib.ac.cn/EN/10.1007/s13659-012-0102-4 OR http://npb.kib.ac.cn/EN/Y2013/V3/I1/14

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