11-Ethoxycarbonyl-6-[(4-fluorophenyl)methyl]-12-oxo-10-phenylmethoxy-4-oxa-1,8-diazatricyclo[7.3.1.05,13]trideca-5(13),6,8,10-tetraene-3-carboxylic acid   、                                                                                      
二甲胺                                                                                                                                                              在
                                                                                                                                                                                 
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以100%的产率得到Ethyl 3-(dimethylcarbamoyl)-6-[(4-fluorophenyl)methyl]-12-oxo-10-phenylmethoxy-4-oxa-1,8-diazatricyclo[7.3.1.05,13]trideca-5(13),6,8,10-tetraene-11-carboxylate