tetrahydro-1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-hydroxy-2(1H)-pyrimidinone   、                                                                                      
4-氯苯基氯甲酸酯                                                                                                                                                              在
                                                                                                                                                                                 
乙醚   、                                                                                                  
disodium;carbonate   、                                                                                                  
magnesium sulfate   、                                                                                                  
tetrahydro-1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-(4-chlorophenoxycarbonyloxy)-2(1H)-pyrimidinone                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 0.58h,
                                                                                                                以to yield the desired product tetrahydro-1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-(4-chlorophenoxycarbonyloxy)-2-(1H)-pyrimidinone as the residue的产率得到tetrahydro-1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-(4-chlorophenoxycarbonyloxy)-2(1H)-pyrimidinone