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)