7-(2,5-dimethylphenyl)-4-methyl-5,6,7,8-tetrahydroquinolin-5-one   、                                                                                      
N-hydroxy-N'-aminoguanidine tosylate   、                                                                                      
盐酸                                                                                                                                                              在
                                                                                                                                                                                 
乙酸乙酯   、                                                                                                  
四氢呋喃   、                                                                                                  
sodium hydroxide   、                                                                                                  
水   、                                                                                                  
盐酸   、                                                                                                  
乙醚   、                                                                                                  
乙醇   、                                                                                                  
7-(2,5-dimethylphenyl)-5-(1-hydroxyguanidin-3-yl)imino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to give 7-(2,5-dimethylphenyl)-5-(1-hydroxyguanidin-3-yl)imino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride (Compound 94) (121 mg) as yellow crystals的产率得到7-(2,5-dimethylphenyl)-5-(1-hydroxyguanidin-3-yl)imino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride