4-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carbothioic acid (4-methoxy-phenyl)-amide   、                                                                                      
苯基硫脲                                                                                                                                                              在
                                                                                                                                                                                 potassium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以73%的产率得到4-(4-chlorophenyl)-N-(4-methoxyphenyl)-3-methyl-6-(phenylimino)-6,7-dihydropyrazolo[3,4-d][1,3]thiazine-1(4H)-carbothioamide