Cl.Cl.[N:3]1([C:8]2[CH:9]=[C:10]([NH:14][C:15]([NH2:17])=[NH:16])[CH:11]=[CH:12][CH:13]=2)[CH:7]=[CH:6][N:5]=[CH:4]1.CN(C)[CH:20]=[CH:21][C:22]([C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][N:25]=1)=O.[OH-].[Na+]>C(O)CC>[N:3]1([C:8]2[CH:9]=[C:10]([NH:14][C:15]3[N:17]=[C:22]([C:24]4[CH:29]=[CH:28][CH:27]=[CH:26][N:25]=4)[CH:21]=[CH:20][N:16]=3)[CH:11]=[CH:12][CH:13]=2)[CH:7]=[CH:6][N:5]=[CH:4]1Thirteen and seven tenths grams of [3-(1H-imidazol-1-yl)phenyl]guanidine, dihydrochloride (2) from Example 1, 8.8 g of 3-dimethylamino-1-(2-pyridyl)-2-propen-1-one (3), 50 ml of n-propanol and 10 ml of 10N sodium hydroxide is refluxed for 18 hours. The reaction is diluted with 50 ml of n-propanol and filtered. The collected yellow solid is stirred in 300 ml of water for 0.5 hour, filtered and washed with 50 ml of n-propanol followed by 100 ml of diethyl ether. The solid is air dried overnight giving 13.4 g (85%) of the desired product, mp 210°-211° C. The overall yield following this procedure is 73%.
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