溴甲苯   、                                                                                      
[1-(3,4-Dihydro-1H-isoquinolin-2-yl)-meth-(E)-ylidene]-((S)-2-methoxy-1-methyl-ethyl)-amine                                                                                                                                                              在
                                                                                                                                                                                 
正丁基锂                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 [1-((S)-1-Benzyl-3,4-dihydro-1H-isoquinolin-2-yl)-meth-(E)-ylidene]-((S)-2-methoxy-1-methyl-ethyl)-amine   、                                                                                             [1-((R)-1-Benzyl-3,4-dihydro-1H-isoquinolin-2-yl)-meth-(E)-ylidene]-((S)-2-methoxy-1-methyl-ethyl)-amine