1-(3-N,N-dimethylamino-3-methyl-2-oxobutyl)pyridinium iodide                                                                                                                                                              在
                                                                                                                                                                                 ammonium acetate   、                                                                                                  
lithium diisopropyl amide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
正己烷   、                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 {1-[(1R,8R,9R,1'R,8'R,9'R)-5'-(1-Dimethylamino-1-methyl-ethyl)-10,10,10',10'-tetramethyl-[8,8']bi[6-aza-tricyclo[7.1.1.0
2,7]undecyl]-2,4,6,2'(7'),3',5'-hexaen-5-yl]-1-methyl-ethyl}-dimethyl-amine