(R)-2-acetyl-6-(2-bromoacetyl)-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)- one 、
[(E)-octylideneamino]thiourea 以
甲醇 为溶剂,
反应 1.0h,
以82%的产率得到(2R)-4-acetyl-5,11,13-trihydroxy-2,12-dimethyl-10-{2-[(E)-2-octylidenehydrazin-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