、                                                                                      
3,4-difluoro-2-[2-fluoro-4-(3-hydroxy-1-propynyl)anilino]-N-(2-hydroxyethoxy)benzamide                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                                                                               silica gel                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以3,4-Difluoro-2-[2-fluoro-4-(3-hydroxypropyl)anilino]-N-(2-hydroxyethoxy)benzamide was isolated as a crystalline cream solid (52 mg, 73%)的产率得到3,4-difluoro-2-[2-fluoro-4-(3-hydroxypropyl)anilino]-N-(2-hydroxyethoxy)benzamide