[1-(4-methoxyphenyl)vinyloxy]trimethylsilane   、                                                                                      
(1S,4R)-1-(6,7-Dimethoxy-1,2,3,4-tetrahydro-2-isoquinolylcarbonyl)-4,7,7-trimethyl-2-oxa-bicyclo<2.2.1>-heptan-3-one                                                                                                                                                              在
                                                                                                                                                                                 trityl tetrafluoroborate   、                                                                                                  
四氯化钛                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                生成                                                 
(1S,4R)-1-<(1R)-1,2,3,4-tetrahydro-6,7-dimethoxy-1-<2-(4-methoxyphenyl)-2-oxo-1-ethyl>-2-isoquinolylcarbonyl>-4,7,7-trimethyl-2-oxa-bicyclo<2.2.1>heptan-3-one   、                                                                                             (1S,4R)-1-<(1S)-1,2,3,4-tetrahydro-6,7-dimethoxy-1-<2-(4-methoxyphenyl)-2-oxo-1-ethyl>-2-isoquinolylcarbonyl>-4,7,7-trimethyl-2-oxa-bicyclo<2.2.1>heptan-3-one