在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以94%的产率得到(9H-fluoren-9-yl)methyl ((S)-1-((6S,8R)-6-((R)-cyano(morpholino)methyl)-9-hydroxy-4-methoxy-2,2,7-trimethyl-2,3,5,6,7,8-hexahydrofuro[3,2-g]isoquinolin-8-yl)-2-(7-hydroxy-4-methoxy-2,2-dimethyl-2,3-dihydrobenzofuran-5-yl)ethyl)carbamate