[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][OH:9])=[CH:4][CH:3]=1.Cl[C:11]1[CH:23]=[C:15]2[N:16]([CH:20]([CH3:22])[CH3:21])[CH2:17][CH2:18][CH2:19][N:14]2[C:13](=[O:24])[N:12]=1>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][O:9][C:11]2[CH:23]=[C:15]3[N:16]([CH:20]([CH3:21])[CH3:22])[CH2:17][CH2:18][CH2:19][N:14]3[C:13](=[O:24])[N:12]=2)=[CH:4][CH:3]=1The title compound or its salt was prepared by a procedure similar to that described for E2 starting from (4-chlorophenyl)methanol and 8-chloro-1-isopropyl-3,4-dihydro-1H-pyrimido[1,6-a]pyrimidin-6(2H)-one.
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