(4,5-Dihydro-oxazol-2-yl)-(1,3-dimethyl-5-phenyl-1H-pyrazol-4-yl)-amine   、                                                                                      
盐酸                                                                                                                                                              在
                                                                                                                                                                                 
乙醚                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以to obtain 1.15 g of 1,3-dimethyl-5-phenyl-4-(2-oxazolin-2-yl)aminopyrazole hydrochloride, mp 211° to 213°的产率得到1,3-Dimethyl-5-phenyl-4-(2-oxazolin-2-yl)aminopyrazole hydrochloride