3-methylazetidin-3-ol trifluoroacetic acid salt   、                                                                                      (5S)-6-[4-fluoro-3-(trifluoromethyl)phenyl]-5-methyl-4,5-dihydro-1,2,4-triazin-3(2H)-one                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二甲基亚砜                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (5S)-6-[4-(3-hydroxy-3-methylazetidin-1-yl)-3-(trifluoromethyl)phenyl]-5-methyl-4,5- dihydro-1,2,4- triazin-3(2H)-one