2-methyl-6-(1-pentylbicyclo[2,2,2]oct-4-yl)-4-(dicyanomethylene)-4H-pyran 、
1,1-dimethyl-7,7-cyclohexyljulolidine-9-carboaldehyde 在
哌啶 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以44%的产率得到(4-(dicyanomethylene)-2-(1-pentylbicyclo[2,2,2]oct-4-yl)-6-(1,1-dimethyl-7,7-cyclohexyljulolidyl-9-enyl)-4H-pyran)