[OH:1][C:2]1[C:15]2[C:6](=[C:7]3[C:12](=[CH:13][CH:14]=2)[C:11]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH:10][CH:9]=[N:8]3)[N:5]=[CH:4][C:3]=1[C:22]([O:24]CC)=[O:23].[OH-].[Na+].Cl>>[OH:1][C:2]1[C:15]2[C:6](=[C:7]3[C:12](=[CH:13][CH:14]=2)[C:11]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH:10][CH:9]=[N:8]3)[N:5]=[CH:4][C:3]=1[C:22]([OH:24])=[O:23]Ethyl 4-hydroxy-7-phenyl-1,10-phenanthroline-3-carboxylate (5.37 g) is boiled with 10% aqueous NaOH (32 mL) for 2 hours, acidified with 10% HCl to yield a precipitate that is collected, washed with water and dried to give the desired product.
Wird geladen…