摘要
A new flavone diglycoside, named as pyrropetioside A 1 was isolated from Pyrrosia petiolosa. Its structrue was elucidated as 7-O-[6-O-(α-L-arabifuranosyl)-β-D-glucopyranosyl]-gossypetin by means of chemical and spectroscopie methods including IR, MS, 1 D and 2D NMR techniques.
A new flavone diglycoside, named as pyrropetioside A 1 was isolated from Pyrrosia petiolosa. Its structrue was elucidated as 7-O-[6-O-(α-L-arabifuranosyl)-β-D-glucopyranosyl]-gossypetin by means of chemical and spectroscopie methods including IR, MS, 1 D and 2D NMR techniques.
