Abstract:
In order to investigate the chemical constituents of glycosides in
Piper sintenense Hatusima, column chromatographic techniques such as silica gel, ODS, MCI GEL CHP20P, Sephadex LH-20, and semi-preparative high performance liquid chromatography were used to afford nine glycosides from the
n-butanol part of the 95% ethanol extract of
Piper sintenense Hatusima. Based on the physicochemical properties and NMR data, the above compounds were identified as (2
S)-2-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-1-propanone-2-
O-
β-D-glucopyranoside (
1), 2-phenylethyl
β-D-glucopyranoside (
2), benzyl
α-L-arabinopyranosyl-(1''→6')-
β-D-glucopyranoside (
3), benzyl
β-D-xylopyanosyl-(1''→6')-
β-D-glucopyranoside (
4), phenethyl
β-D-apiofuranosyl-(1''→ 2')-
β-D-glucopyranoside(
5), salidroside (
6), phenethanol
β-D-xylopyanosyl-(1''→6')-
β-D-glucopyranoside (
7), (
Z)-hexenyl-
O-
α-L-arabinopyranosyl-(1''→6')-
O-
β-D-glucopyranoside (
8), (
Z)-hexenyl-
O-
β-D-xylopyanosyl-(1''→6')-
O-
β-D-glucopyranoside (
9). Compound
1 was identified as a new compound, and compounds
3-9 were isolated from the genus
Piper for the first time.