A new phenylpropanoid glycoside from Jasminum subtriplinerve Blume

Abstract

From the ethyl acetate extract of the aerial parts of Jasminum subtriplinerve Blume (Oleaceae), 6′-O-menthiafoloylverbascoside (1), rutin (2), isoverbascoside (4), isooleoverbascoside (6), apiosylverbascoside (7), astragalin (9), isoquercitrin (10), and verbascoside (11) were isolated. Their structures were elucidated by extensive MS and NMR spectroscopy. Amongst 6′-O-menthiafoloylverbascoside (1) is a new phenylpropanoid glycoside.

Keywords:

• Jasminum subtriplinerve
• 6′-O-menthiafoloylverbascoside
• verbascoside
• isooleoverbascoside
• apiosylverbascoside

Acknowledgements

This research was financially supported by a grant of North–South Program (OEAD Austria). Nguyen Thi Hong Huong would like to thank OEAD Austria and the Institute of Pharmacy, Innsbruck University Austria. The authors in Vietnam side thank Prof. Ernst P. Ellmerer for measuring NMR spectra, Doris Braun for IR and melting point measurements, Thomas Müller (all of them in Innsbruck University, Austria) for HR-MS data and Assistant Prof. Truong Thi Dep, Department of Botanic, Faculty of Pharmacy, Pharmacy and Medicine University in HCM city, Vietnam for identifying the voucher specimen.