摘要:
摘要 研究了中国粗制“排味”、白花心莲干燥根的糖苷部分。分离出四种名为 atratosides A–D 的新糖苷,其中的糖苷配基为新型 14,15-seco-pregnanes,并根据光谱证据和分析其水解物作为 atratogenin A 3-O-β-d 确定其结构-cymaropyranosyl-(1 →4)-α-l -diginopyranosyl-(1 →4)-β-d - cymaropyranoside, atratogenin A 3-O-β-d -glueopyranosyl-(1 →4)-β-d -cymaropyranosyl - (1 →4)-α-l -diginopyranosyl-(1 →4)-β-d -cymaropyranoside, atratogenin B 3-O-β-d -glupyranosyl-(1 →4)-β-d -cymaropyranosyl-(