重氮甲烷 、 4-Hydroxy-2-methoxy-6-methyl-benzoic acid (7R,8S,8aS)-8-hydroxy-7-methyl-6-oxo-3-((E)-propenyl)-6,7,8,8a-tetrahydro-1H-isochromen-7-yl ester 以
乙醚 为溶剂,
以2 mg的产率得到2,4-Dimethoxy-6-methyl-benzoic acid (7R,8S,8aS)-8-hydroxy-7-methyl-6-oxo-3-((E)-propenyl)-6,7,8,8a-tetrahydro-1H-isochromen-7-yl ester