Two new phenethanol glycosides from Ligustrum robustum

Li Li ^a,b, ,
Yong Peng ^a ,
Yong Liu ^b ,
Li Jia Xu ^a ,
Na Guo ^c ,
Ren Bing Shi ^b ,
Pei Gen Xiao ^a

a Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine (Peking Union Medical College), Ministry of Education, Beijing 100193, China;
b School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China;
c Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China

Received Date: 24 June 2010

Fund Project: This research was financially supported by a grant (No. 200800230040) from Doctoral Station Foundation of the national colleges and universities. A grant (No. 2009ZX09301-003) from National Important Sciences Special Purpose Foundation of China. NMR spectra were also provided by the Institute of Medicinal Plant Development, Chinese Academy of Medical Science and Peking Union Medical College.

Two new phenethanol glycosides, named ligurobustoside P (1), Iigurobustoside Q (2) have been isolated from the leaves of Ligustrum robustum, together with the known compound angoroside A (3) which was firstly isolated from this species. The structures of the two new phenethanol glycosides (1-2) were elucidated by a combination of high-resolution electron ionization mass spectrometry (HR-ESI-MS), ¹H NMR, ¹³C NMR, HMQC, and HMBC spectra for the first time.

Two new phenethanol glycosides from Ligustrum robustum

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