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Bromocatechol conjugates from a Chinese marine red alga, Symphyocladia latiuscula
Phytochemistry ( IF 3.8 ) Pub Date : 2019-02-01 , DOI: 10.1016/j.phytochem.2018.10.026 Xiuli Xu , Haijin Yang , Zeinab G. Khalil , Liyuan Yin , Xue Xiao , Angela A. Salim , Fuhang Song , Robert J. Capon
Phytochemistry ( IF 3.8 ) Pub Date : 2019-02-01 , DOI: 10.1016/j.phytochem.2018.10.026 Xiuli Xu , Haijin Yang , Zeinab G. Khalil , Liyuan Yin , Xue Xiao , Angela A. Salim , Fuhang Song , Robert J. Capon
This study describes an investigation into polybromocatechol conjugates isolated from a marine red alga, Symphyocladia latiuscula (Harvey) Yamada, collected from coastal waters off Qingdao, China. We report on the isolation and characterisation of eight undescribed aconitic acid conjugates, symphyocladins R-X, including a likely solvolysis artifact of symphyocladin S, and an undescribed furanoyl conjugate, symphyocladin Y. Structure elucidation was achieved by detailed spectroscopic analysis. A plausible biosynthetic pathway linking all these co-metabolites through a cascade of quinone methide additions is proposed.
更新日期：2019-02-01
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