Chinese Journal of Organic Chemistry >
Bibenzyl Derivatives from Dendrobium nobile
Received date: 2019-03-20
Online published: 2019-07-03
Supported by
the National Natural Science Foundation of China(31560102);the Key Technologies R & D Program of Guizhou Province(黔科合重大专项字[2015]6010-2)
By silica gel, MCI column chromatographic and preparative high performance liquid chromatography (HPLC) technologies, three new bibenzyl derivatives were isolated from the tubes of Dendrobium nobile. One racemic compound was further purified by chiral (HPLC) to obtain a pair of enantiomers 1a and 1b, and the absolute configurations of the enantiomers were confirmed using electronic circular dichroism (ECD) calculations. By using spectroscopic techniques including NMR and HR-ESIMS, the structures of compounds 1~3 were identified as didendronbiline A (1), dendronbiline B (2), and dendronbiline C(3).
Key words: dendrobium nobile; orchidaceae; bisbibenzyl; dendronbiline
Maosheng Zhang , Lang Linghu , Jianyong Zhang , Xuqiang Nie , Xiaofei Li , Dale Guo , Shiji Xiao . Bibenzyl Derivatives from Dendrobium nobile[J]. Chinese Journal of Organic Chemistry, 2019 , 39(11) : 3289 -3293 . DOI: 10.6023/cjoc201903035
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