4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid   、                                                                                      
氯化亚砜   、                                                                                      
methyl 2-(4-amino-3-methylphenyl)-1,3-oxazole-4-carboxylate                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                                                        以to obtain 135 mg of the title compound as a light brown solid (50%)的产率得到methyl 2-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methylphenyl)-1,3-oxazole-4-carboxylate