(R)-2-acetyl-6-(2-bromoacetyl)-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)- one 、
3-furaldehyde thiosemicarbazone 以
甲醇 为溶剂,
以78%的产率得到(2R)‐4‐acetyl‐5,11,13‐trihydroxy‐2,12‐dimethyl‐10‐{2‐[(E)‐2‐[(furan‐3‐yl)methylidene]hydrazin‐1‐yl]‐1,3-thiazol‐4‐yl}‐8‐oxatricyclo[7.4.0.02,7]trideca‐1(9),4,6,10,12‐pentaen‐3‐one