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Abstract
Six new glycosides (1−6), together with three known ones, were isolated from the twigs and leaves of Rhododendron latoucheae. Their structures were elucidated based on the spectroscopic data, including infrared spectrometry, mass spectrometry, and nuclear magnetic resonance experiments, along with Mosher's method. In addition, all compounds were tested their antiviral (herpes simplex virus-1 and influenza A/95-359) activities.
Graphical Abstract
Acknowledgments
The authors are grateful to the Department of Instrumental Analysis at our institute for the spectroscopic measurements.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was financially supported by grants from the National Natural Science Foundation of China (No. 21732008) and the CAMS Innovation Fund for Medical Sciences (CIFMS) (No. 2016-I2M-1-010 and No. 2016-I2M-3-010).