1-[(2-甲基-1H-吲哚-3-基)亚甲基]氨基硫脲 、
(R)-2-acetyl-6-(2-bromoacetyl)-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)- one 以
甲醇 为溶剂,
以89%的产率得到(2R)‐4‐acetyl‐5,11,13‐trihydroxy‐2,12‐dimethyl‐10‐{2‐[(E)‐2‐[(1H‐2‐methyl‐indole‐3‐yl) methylidene]hydrazin‐1‐yl]‐1,3‐thiazol‐4‐yl}‐8‐oxatricyclo[7.4.0.0
2,7]trideca‐1(9),4,6,10,12‐pentaen‐3‐one