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Steroidal Saponins from Hemerocallis fulva var. kwanso.

2001; Pharmaceutical Society of Japan; Volume: 49; Issue: 3 Linguagem: Inglês

10.1248/cpb.49.318

1347-5223

Tenji Konishi, Yasuhiro Fujiwara, Takao Konoshima, Shiu Kiyosawa, Masatoshi Nishi, Kazumoto Miyahara,

Natural product bioactivities and synthesis

Two steroidal saponins, hemeroside A and B, were isolated from the aerial part of Hemerocallis fulva var. kwanso for the first time. The structures of these compounds were established as 24S-hydroxy-neotokorogenin 1-O-alpha-L-arabinopyranosyl 24-O-beta-D-glucopyranoside (1) and isorhodeasapogenin 3-O-beta-D-glucopyranosyl-(1-->3)-[beta-D-xylopyranosyl-(1-->2)]-beta-D-glucopyranosyl-(1-->4)-beta-D-galactopyranoside (2) through NMR experiments.