Two new triterpenoid glycosides, hederagenin-3-O-b-D-xylopyranoside (1), dodecandral 3-O-b-D-xylopyranoside(2), were isolated from Elsholtzia bodinieri Vant. The structures of 1 and 2 were established by spectroscopi...Two new triterpenoid glycosides, hederagenin-3-O-b-D-xylopyranoside (1), dodecandral 3-O-b-D-xylopyranoside(2), were isolated from Elsholtzia bodinieri Vant. The structures of 1 and 2 were established by spectroscopic and chemical methods.展开更多
目的研究东紫苏全草的化学成分。方法采用硅胶柱色谱及薄层色谱进行分离纯化,根据理化性质及各种光谱技术进行结构鉴定。结果从其乙醇提取物中分离得到5个化合物,其结构鉴定为穗花杉双酮(Ⅰ)、β-胡萝卜苷(Ⅱ)、迷迭香酸(Ⅲ)、2-羟甲基...目的研究东紫苏全草的化学成分。方法采用硅胶柱色谱及薄层色谱进行分离纯化,根据理化性质及各种光谱技术进行结构鉴定。结果从其乙醇提取物中分离得到5个化合物,其结构鉴定为穗花杉双酮(Ⅰ)、β-胡萝卜苷(Ⅱ)、迷迭香酸(Ⅲ)、2-羟甲基-5-甲氧基苯基-O-β-D-吡喃葡萄糖苷(Ⅳ)、2-羟甲基-5-甲氧基苯基-O-β-D-呋喃芹糖基-(1→6)-O-β-D-吡喃葡萄糖苷(Ⅴ)。结论化合物Ⅴ为新化合物,命名为东紫苏素A(bod in ierine A),Ⅱ、Ⅲ和Ⅳ为首次从香薷属植物中分离得到。展开更多
文摘Two new triterpenoid glycosides, hederagenin-3-O-b-D-xylopyranoside (1), dodecandral 3-O-b-D-xylopyranoside(2), were isolated from Elsholtzia bodinieri Vant. The structures of 1 and 2 were established by spectroscopic and chemical methods.
文摘目的研究东紫苏全草的化学成分。方法采用硅胶柱色谱及薄层色谱进行分离纯化,根据理化性质及各种光谱技术进行结构鉴定。结果从其乙醇提取物中分离得到5个化合物,其结构鉴定为穗花杉双酮(Ⅰ)、β-胡萝卜苷(Ⅱ)、迷迭香酸(Ⅲ)、2-羟甲基-5-甲氧基苯基-O-β-D-吡喃葡萄糖苷(Ⅳ)、2-羟甲基-5-甲氧基苯基-O-β-D-呋喃芹糖基-(1→6)-O-β-D-吡喃葡萄糖苷(Ⅴ)。结论化合物Ⅴ为新化合物,命名为东紫苏素A(bod in ierine A),Ⅱ、Ⅲ和Ⅳ为首次从香薷属植物中分离得到。