New tirucallane-type triterpenoid saponins from Sapindus mukorossi Gaetn.
Titel:
New tirucallane-type triterpenoid saponins from Sapindus mukorossi Gaetn.
Auteur:
Ni, Wei Hua, Yan Teng, Rong-Wei Kong, Yun-Cheung Chen, Chang-Xiang
Verschenen in:
Journal of Asian natural products research
Paginering:
Jaargang 6 (2004) nr. 3 pagina's 205-209
Jaar:
2004-09
Inhoud:
Two new tirucallane-type triterpenoid saponins, sapimukoside C (1) and sapimukoside D (2), have been isolated from the roots of Sapindus mukorossi Gaetn. Their structures have been determined, on the basis of spectral and chemical analysis, as 3-O-α-L-rhamnopyranosyl-(1→2)-[α-L-arabinopyranosyl-(1→3)]-β-D-glucopyranosyl (21,23R)-epoxyl tirucalla-7,24-diene-(21S)-ethoxyl-3β-ol (1) and 3-O-α-L-rhamnopyranosyl-(1→2)-[α-L-arabinopyranosyl-(1→3)]-β-D-glucopyranosyl (21,23R)-epoxyl tirucall-7, 24-diene-(21S)-methoxyl-3β-ol (2).