Gaidi G, Miyamoto T, Rustaiyan A, Lacaille-Dubois M A
Laboratoire de Pharmacognosie, Unité MIB, JE 2244, Faculté de Pharmacie, Université de Bourgogne, 7, Bd. Jeanne d'Arc, BP 87900, 21079 Dijon, Cedex France.
J Nat Prod. 2001 Jul;64(7):920-4. doi: 10.1021/np010002c.
Three new triterpenoid saponins, 1-3, were isolated from the roots of Acanthophyllum squarrosum. Their structures were established mainly by 2D NMR techniques as 3-O-beta-D-galactopyranosyl-(1-->2)-[beta-D-xylopyranosyl-(1-->3)]-beta-D-glucuronopyranosyl-gypsogenin-28-O-beta-D-xylopyranosyl-(1-->3)-beta-D-xylopyranosyl-(1-->4)-beta-D-xylopyranosyl-(1-->4)-3-O-acetyl-alpha-L-rhamnopyranosyl-(1-->2)-3,4-di-O-acetyl-beta-D-fucopyranoside (1), 3-O-beta-D-galactopyranosyl-(1-->2)-[beta-D-xylopyranosyl-(1-->3)]-beta-D-glucuronopyranosyl-gypsogenin-28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->2)-[5-O-acetyl-alpha-L-arabinofuranosyl-(1-->3)]-4-O-acetyl-beta-D-fucopyranoside (2), and 3-O-beta-D-glucopyranosyl-quillaic acid-28-O-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L-arabinopyranosyl-(1-->2)-[beta-D-glucopyranosyl-(1-->6)]-beta-D-glucopyranoside (3).
从刺叶棘豆根部分离出了三种新的三萜皂苷,1 - 3。它们的结构主要通过二维核磁共振技术确定为3 - O - β - D - 吡喃半乳糖基 - (1→2) - [β - D - 吡喃木糖基 - (1→3)] - β - D - 吡喃葡萄糖醛酸基 - 绞股蓝皂苷元 - 28 - O - β - D - 吡喃木糖基 - (1→3) - β - D - 吡喃木糖基 - (1→4) - β - D - 吡喃木糖基 - (1→4) - 3 - O - 乙酰基 - α - L - 吡喃鼠李糖基 - (1→2) - 3,4 - 二 - O - 乙酰基 - β - D - 吡喃岩藻糖甙(1)、3 - O - β - D - 吡喃半乳糖基 - (1→2) - [β - D - 吡喃木糖基 - (1→3)] - β - D - 吡喃葡萄糖醛酸基 - 绞股蓝皂苷元 - 28 - O - β - D - 吡喃木糖基 - (1→4) - α - L - 吡喃鼠李糖基 - (1→2) - [5 - O - 乙酰基 - α - L - 阿拉伯呋喃糖基 - (1→3)] - 4 - O - 乙酰基 - β - D - 吡喃岩藻糖甙(2)和3 - O - β - D - 吡喃葡萄糖基 - 奎利亚酸 - 28 - O - α - L - 吡喃鼠李糖基 - (1→2) - α - L - 阿拉伯吡喃糖基 - (1→2) - [β - D - 吡喃葡萄糖基 - (1→6)] - β - D - 吡喃葡萄糖甙(3)。