(9aS)-8-acetyl-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide 、 N-(4-formyl-1-naphthyl)benzenesulfonamide 、
三乙基硅烷 、
三氟乙酸 以
乙腈 为溶剂,
以to give the target compound (315 mg, yield: 67%) as a yellow solid的产率得到(9aS)-8-acetyl-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-N-({4-[(phenylsulfonyl)amino]-1-naphthyl}methyl)-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide