(9aS)-8-acetyl-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide 、
2,3-dimethyl-4-(2-pentynyloxy)-1-naphthaldehyde 、
三乙基硅烷 、
三氟乙酸 以
乙腈 为溶剂,
以to give the target compound (173 mg, yield: 65%) as a yellow solid的产率得到(9aS)-8-acetyl-N-{[2,3-dimethyl-4-(2-pentynyloxy)-1-naphthyl]methyl}-1,7-dihydroxy-3-methoxy-9a-methyl-9-oxo-9,9a-dihydrodibenzo[b,d]furan-4-carboxamide