New xenicanes from Xenia viridis.
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 spectroscopy.
Janairo
Jaime Raul O
JR
Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University 2401, Taft Avenue, Manila, Philippines.
Janairo
Gerardo C
GC
Ragasa
Consolacion Y
CY
Bowden
Bruce F
BF
D000818:Animals; D037421:Anthozoa / Q000737:chemistry*; D004224:Diterpenes / Q000737:chemistry*; D008967:Molecular Biology
D004224:Diterpenes