2-Methoxyhydroquinone 4-O-<6-O-(4-O-α-L-Rhamnopyranosyl)-Syringyl>-β-D-Glucopyranoside置于盐酸,Potassium Carbonate体系中,用 1,4-二氧六环,水 作为反应溶剂,化学反应 1.0H,反应生成 丁香酸甲酯
参考文献:Studies On The Constituents Of The Bark Of Kalopanax Pictus Nakai.
标题:Studies On The Constituents Of The Bark Of Kalopanax Pictus Nakai.
摘要:从象拔蚌树皮中分离出五种新化合物,即象拔蚌皂苷 G (2),象拔蚌皂苷 A (6),B (8),C (11) 和 D (13),以及九种已知化合物,即象拔蚌皂苷 A (1)和 B (5),皂苷 Pj3 (3),皂苷 B (4),丁香苷 (7),原儿茶酸 (9),针叶苷 (10),鹅掌楸苷 (=dl-Syringaresinol Di-O-Glucopyranoside) (12),葡萄糖苷酸 (14) 和绿原酸 (15).新化合物的结构特征为:Hederagenin 28-O-α-L-Rhamnopyranosyl(1->4)-β-Glucopyranosyl(1->6)-β-D-Glucopyranoside (2),Ferulyldehyde (=coniferylaldehyde) 4-O-β-D-Glucopyranoside (6),6'-O-(4-O-α-L-Rhamnopyranosyl)-Syringate Coniferin (8),2-甲氧基氢醌 4-O-[6-O-(4-O-α-L-吡喃鼠李糖基)-Syringyl]-β-D-吡喃葡萄糖苷 (11) 和针叶醇 4-O-β-D-Apiofuranosyl(1->2)-β-D-Glucopyranoside (=coniferin 2'-O-β-D-Apiofuranoside) (13).
DOI:10.1248/cpb.39.865