(9aS)-8-acetyl-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide 、
N-(4-formyl-3,5-dimethylphenyl)methanesulfonamide 、
三乙基硅烷 、
三氟乙酸 以
乙腈 为溶剂,
以to give the target compound (371 mg, yield: 77%) as a yellow solid的产率得到(9aS)-8-acetyl-N-{2,6-dimethyl-4-[(methylsulfonyl)amino]benzyl}-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide