2-(4-bromophenyl)-3-hydroxy-7-methoxy-4H-chromen-4-one 、
N,N-dimethyl-3-phenylacrylamide 以
甲醇 、
二氯甲烷 为溶剂,
以18%的产率得到(1R,9R)-9-(4-bromophenyl)-1-hydroxy-5-methoxy-N,N-dimethyl-12-oxo-10-phenyl-8-oxatricyclo[7.2.1.02,7]dodeca-2(7),3,5-triene-11-carboxamide