(9aS)-8-acetyl-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide 、
4-(phenylthio)-1-naphthaldehyde 、
三乙基硅烷 、
三氟乙酸 以
乙腈 为溶剂,
以to give the target compound (374 mg, yield: 73%) as a yellow solid的产率得到(9aS)-8-acetyl-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-N-{[4-(phenylthio)-1-naphthyl]methyl}-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide