Lactona-12,6 del ácido 10,14-epoxi-6α,8β-dihidroxi-1ξ,10ξ-guaia-3,11(13)-dien-12-oico
[3aR-(3aα,4β,6β,6aα,9aα,9bβ)]-3,3a,4,5,6a,7,9a,9b-octahidro-4-hidroxi-9-metil-3-metilen- espiro[azuleno[4,5-b]furan-6(2H),2′-oxiran]-2-ona
(+)-Bahia I
(2′S,3aR,4R,6aR,9aR,9bR)-3,3a,4,5,6a,7,9a,9b-octahidro-4-hidroxi-9-metil-3-metilen-espiro[azuleno[4,5-b]furan-6(2H),2′-oxiran]-2-ona
C15H18O4
209-210 (Me2CO – i-Pr2O)
+4 (CHCl3)
UV (Etanol 95%)
IR (CHCl3)
RMN1H (CDCl3)
RMN13C (67.9 MHz; CDCl3)