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