2-[(Dimethylamino)methyl]-7-fluoro-3,4-dihydro-1(2H)-naphthalenone, hydrochloride   、                                                                                      
1-苯基-1,3,8-三唑螺环(4,5)十烷-4-酮                                                                                                                                                              在
                                                                                                                                                                                 
氮   、                                                                                                  
乙醚                                                                                                                                  作用下,
                                                                                                                                                                                        反应 16.0h,
                                                                                                                以to give the title compound (7.7 g), melting point 162°-165° C.的产率得到8-(7-fluoro-1-oxo-1,2,3,4-tetrahydro-naphthalen-2-ylmethyl)-1-phenyl-1,3,8-triaza-spiro[4.5]decan-4-one