(1S,3S)-2-benzyl-8-methoxy-1,3-dimethyl-3,4-dihydro-1H-isoquinolin-6-ol   、                                                                                      
1-溴-2-(溴甲基)-4,5-二甲氧基萘                                                                                                                                                              在
                                                                                                                                         phase transfer catalysis                                                                                                                                                                          作用下,
                                                                                                                                                                                                                            以100%的产率得到(1S,3S)-2-Benzyl-6-(1-bromo-4,5-dimethoxy-naphthalen-2-ylmethoxy)-8-methoxy-1,3-dimethyl-1,2,3,4-tetrahydro-isoquinoline