[6’aR-[6’aα,7’α(2R,5S),8’α,10’aS]]-2-(acetiloxi)-5-(3-furanil)-4,5-dihidro-8′-metil-espiro[furan-3(2H),7′(8′H)-[1H]nafto[1,8a-c]
furan]-3′,9′(6’aH,10′H)-diona
(+)-Salvifolina
(2R,3S,5S,6’aR,8′S,10’aS)-2-
(acetiloxi)-5-(3-furanil)-4,5-dihidro-8′-metil-espiro-[furan-
3(2H),7′(8′H)-[1H]nafto[1,8a-c]furan]-3′,9′(6’aH,10′H)-diona
C22H22O7
220-223 (Me2CO-Éter de petróleo)
+27.1(CHCl3)
UV
IR (CHCl3)
RMN1H (80 MHz; CDCl3)
RMN13C (20 MHz; CDCl3
EM
EMIQ