N-甲基咪唑   、                                                                                      
N-(5-acetylamino-1-hydroxynaphthalen-2-yl)-2-chloroacetamide                                                                                                                                                              在
                                                                                                                                                                                 
1,4-二氧六环   、                                                                                                  powder                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 7.5h,
                                                                                                                以to give 0.82 g of 3-[(1-hydroxy-5-acetylaminonaphthalen-2-ylcarbamoyl)methyl]-1-methyl-3H-imidazol-1-ium chloride in the form of a red powder melting at 168° C.的产率得到3-[(1-hydroxy-5-acetylaminonaphthalen-2-ylcarbamoyl)methyl]-1-methyl-3H-imidazol-1-ium chloride