Celso R. de Oliveira, Zachary D. Ledvina, M. D. Leonard, Samuel O. Odoh, Craig D. Dodson, Christopher S. Jeffrey
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引用次数: 0
摘要
从卡巴格兰胡椒（哥斯达黎加）的叶子中分离出了一种新的美拉德萜类化合物卡巴格兰素 D 和相关的新木质素卡巴格兰素 A-C。卡巴格拉宁 A-C 代表了从瓜蒌属植物中分离出的 3,3′-新木质素的第一个实例，卡巴格拉宁 D 显示出一种未被取代的苯基丙烯酮和 α-黄柏烯前所未有的 Diels-Alder 共轭物。本文详细介绍了这些化合物的完整结构，并讨论了它们潜在的生物合成关系。
Isolation of new neolignans and an unusual meroterpenoid from Piper cabagranum
A novel meroterpenoid cabagranin D was isolated with related neolignans cabagranins A–C from the leaves of Piper cabagranum (Costa Rica). Cabagranins A–C represent the first examples of 3,3′-neolignans isolated from the plant genus Piper, and the meroterpenoid cabagranin D displays an unprecedented Diels–Alder conjugate of an unsubstituted phenylpropenone and α-phellandrene. Details of the full structural elucidation of these compounds and a discussion of their potential biosynthetic relationships are presented.
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