A NOVEL ELEVEN-MEMBERED-RING TRITERPENE DILACTONE,PSEUDOLAROLIDE F AND A RELATED COMPOUND, PSEUDOLAROLIDE E,FROM PSEUDOLARIX KAEMPFERI

• 来源期刊: 亚洲天然物产研究（英文版）
• 学科: 生物学
• 关键词: Pseudolarix kaempferi Gord.(Pinaceae) Triterpene Pseudolarolide F Pseudolar olide E
• 年，卷（期）: 2001,（4）
• 页码范围: 321-333
• 页数: 13页
• 分类号: Q94
• 语种: 英文

摘要

A novel eleven-membered-ring triterpene dilactone, pseudolarolide F (1), and a related compound, pseudolarolide E (2), were isolated from the seeds of Pseudolarix kaempferi, a plant indigenous to eastern China. Their structures and stereochemistry were established by spectro scopic studies, which included UV, IR, HREIMS, 2D NMR correlation methods (1H 1H COSY, 13C-1H COSY, NOESY, HMQC, and HMBC), and single-crystal X-ray analysis.