3-O-[α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl]-2β,3β-dihydroxyolean-12-en-23-al-28-oic acid | 139726-26-4

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 异戊烯醇脂质
• 英文名称: 3-O-[α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl]-2β,3β-dihydroxyolean-12-en-23-al-28-oic acid
• CAS: 139726-26-4
• 化学式: C₄₂H₆₄O₁₅
• 分子量: 808.961
• InChiKey: AVRIFGSDVIHCAN-QBSRJYNWSA-N

反应信息

• 作为产物：
  描述：

  3-O-[α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl]-2β,3β-dihydroxyolean-12-en-23-al-28-oic acid 28-O-β-D-glucopyranosyl ester 在 2,6-二甲基吡啶 、 lithium iodide 作用下， 以 甲醇 为溶剂， 反应 40.0h， 以10 mg的产率得到3-O-[α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl]-2β,3β-dihydroxyolean-12-en-23-al-28-oic acid
  参考文献：
  名称：

  Saponins from Amaranthus hypochondriacus.

  摘要：

  Four triterpenoid saponins were isolated from Amaranthus hypochondriacus which are grain crops in the Nepal, Mexico and South America. Their structures were elucidated based on spectral evidence to be : (1) 3-O-α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl-2β, 3β-dihydroxyolean-12-en-28-oic acid 28-O-β-D-glucopyranosyl ester. (2) 3-O-α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl-2β, 3β-dihydroxyolean-12-en-23-al-28-oic acid 28-O-β-D-glucopyranosyl ester; (3) 3-O-α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl-2β, 3β-dihydroxy-30-norolean-12, 20(29)-dien-28-oic acid 28-O-β-D-glucopyranosyl ester. (4) 3-O-α-L-rhamnopyranosyl(1→3)-β-D-glucuronopyranosyl-2β, 3β-dihydroxy-30-norolean-12, 20(29)-dien-23-al-28-oic acid 28-O-β-D-glucopyranosyl ester.

  DOI：

  10.1248/cpb.39.2609