3-(2-Chloro-phenyl)-1-(2-ethoxycarbonimidoyl-ethyl)-5,7-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-6-carboxylic acid ethyl ester; hydrochloride                                                                                                                                                              在
                                                                                                                                                                                 
氨                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以88%的产率得到1-(2-Carbamimidoyl-ethyl)-3-(2-chloro-phenyl)-5,7-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-6-carboxylic acid ethyl ester; hydrochloride