New Xenicanes from Xenia viridis

• Main Authors: Janairo, Jaime Raul O., Janairo, Gerardo C., Ragasa, Consolacion Y., Bowden, Bruce F.
• 格式: text
• 出版: Animo Repository 2007
• 在線閱讀: https://animorepository.dlsu.edu.ph/faculty_research/955; https://animorepository.dlsu.edu.ph/context/faculty_research/article/1954/type/native/viewcontent
• 機構: De La Salle University

The dichloromethane extract of Xenia viridis afforded two new xenicane diterpenoids (3 and 4) by silica gel chromatography. The oxirane ring of 3 was found to be susceptible to a slow ring opening under acidic conditions to afford 5. Their structures were elucidated by extensive 1D and 2D NMR spectr...