A novel tetranorditerpenoid, sinubatin A (1) (having an unprecedented carbon skeleton), a new norditerpenoid, sinubatin B (2) (a 4,5-epoxycaryophyllene possessing an unusual methylfuran moiety side chain), and a known diterpenoid,… Click to show full abstract
A novel tetranorditerpenoid, sinubatin A (1) (having an unprecedented carbon skeleton), a new norditerpenoid, sinubatin B (2) (a 4,5-epoxycaryophyllene possessing an unusual methylfuran moiety side chain), and a known diterpenoid, gibberosin J (3) were isolated from soft coral Sinularia nanolobata. The structures of the new compounds were elucidated by extensive analysis of spectroscopic data.
               
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