萘酚 、
2-(5-fluoro-1-methyl-2-oxoindolin-3-ylidene)malononitrile 在
1-(((1R,4aS,10aR)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthren-1-yl)methyl)-3-((1R)-(6-methoxyquinolin-4-yl)(8-vinylquinuclidin-2-yl)-methyl)thiourea 作用下,
以
邻二甲苯 为溶剂,
反应 48.0h,
以82%的产率得到(R)-2'-amino-5'-fluoro-1'-methyl-2,5'-dioxo-5'H-spiro[indoline-3,4'-pyrano[3,2-c]chromene]-3'-carbonitrile