Comparative studies on the constituents of ophiopogonis tuber and its congeners. VI. Studies on the constituents of the subterranean part of Liriope spicata var. prolifera and L. muscari. (1).
作者:Bo-Yang YU、Yasuaki HIRAI、Junzo SHOJI、Guo-Jun XU
DOI:10.1248/cpb.38.1931
日期:——
Seven steroidal glycosides, tentatively named glycosides Ls-1, Ls-2 (1), Ls-3 (2), Ls-4 (3), Ls-5 (4), Ls-6 (5) and Ls-7 (6) were isolated from the subterranean part of Liriope spicata (THUMB.) LOUR. var. prolifera Y. J. MA (Liliaceae) and three steroidal glycosides, tentatively named glycosides Lm-1, Lm-2 (7), Lm-3 (8) were isoalted from L. muscari (DECN.) BAILEY (Liliaceae). Glycosides Ls-1 and Lm-1 were identified as so-called β-sitosterol β-D-glucopyranoside. The structures of eight glycosides (1-8) were established as (25S)-ruscogenin 1-O-β-D-fucopyranosido-3-O-α-L-rhamnopyranoside (1)(=glycoside B from L. platyphylla WANG. et TANG.), (25S)-ruscogenin 1-O-β-D-xylopyranosido-3-O-α-L-rhamnopyranoside (2), (25S)-ruscogenin 1-O-α-L-rhamnopyranosyl(1→2)-β-D-xylopyranoside (3), (25S)-ruscogenin 1-O-[(2-O-acetyl)-α-L-rhamnopyranosyl(1→2)][β-D-xylopyranosyl(1→3)]-β-D-fucopyranoside (4), (25S)-ruscogenin 1-O-[(3-O-acetyl)-α-L-rhamnopyranosyl(1→2)][β-D-xylopyranosyl(1→3)]-β-D-fucopyranoside (5), yamogenin 3-O-[α-L-rhamnopyranosyl(1→2)][β-D-xylopyranosyl(1→3)]-β-D-glucopyranoside (6), ruscogenin 1-O-β-D-glucopyranosyl(1→2)-β-D-fucopyranoside (7) and ruscogenin 1-O-[β-D-glucopyranosyl(1→2)][β-D-xylopyranosyl(1→3)]-β-D-fucopyranoside (8), respectively.
七种甾体苷,暂定名为苷Ls-1、Ls-2(1)、Ls-3(2)、Ls-4(3)、Ls-5(4)、Ls-6(5)和Ls-7( 6) 是从 Liriope spicata (THUMB.) LOUR 的地下部分分离出来的。变种prolifera Y. J. MA(百合科)和三种甾体糖苷,暂时命名为糖苷 Lm-1、Lm-2 (7)、Lm-3 (8),是从 L. muscari (DECN.) BAILEY (百合科) 中分离出来的。糖苷Ls-1和Lm-1被鉴定为所谓的β-谷甾醇β-D-吡喃葡萄糖苷。确定了八种糖苷 (1-8) 的结构:(25S)-ruscogenin 1-O-β-D-fucopyranosido-3-O-α-L-rhamnopyranoside (1)(=来自白桦茸的糖苷 B)。 et TANG.), (25S)-ruscogenin 1-O-β-D-xylopyranosido-3-O-α-L-rhamnopyranoside (2), (25S)-ruscogenin 1-O-α-L-rhamnopyranosyl(1→ 2)-β-D-吡喃木糖苷 (3), (25S)-ruscogenin 1-O-[(2-O-乙酰基)-α-L-吡喃鼠李糖基(1→2)][β-D-吡喃木糖基(1→ 3)]-β-D-吡喃岩藻糖苷 (4), (25S)-ruscogenin 1-O-[(3-O-乙酰基)-α-L-吡喃鼠李糖基(1→2)][β-D-吡喃木糖基(1) →3)]-β-D-吡喃岩藻糖苷 (5)、山药皂苷 3-O-[α-L-吡喃鼠李糖基(1→2)][β-D-吡喃木糖基(1→3)]-β-D-吡喃葡萄糖苷 ( 6)、ruscogenin 1-O-β-D-吡喃葡萄糖基(1→2)-β-D-吡喃岩藻糖苷 (7) 和 ruscogenin 1-O-[β-D-吡喃葡萄糖基(1→2)][β-D-吡喃木糖基(1→3)]-β-D-吡喃岩藻糖苷(8)。