Cl[C:2]1[N:10]=[C:9]2[C:5]([NH:6][CH:7]=[N:8]2)=[C:4](Cl)[N:3]=1.[ClH:12].[CH2:13]1[C:22]2[C:17](=[CH:18][CH:19]=[CH:20][CH:21]=2)[CH2:16][CH2:15][NH:14]1.[CH2:23](N(CC)CC)C.[OH2:30].C[C:32](N(C)C)=[O:33]>>[Cl:12][C:2]1[N:10]=[C:9]2[C:5]([NH:6][CH:7]=[N:8]2)=[C:4]([N:14]2[CH2:15][CH2:16][C:17]3[C:22](=[CH:21][C:20]([O:33][CH3:32])=[C:19]([O:30][CH3:23])[CH:18]=3)[CH2:13]2)[N:3]=1A mixture of 5.67 g of 2,6-dichloropurine, 6.89 g of 1,2,3,4-tetrahydroisoquinoline hydrochloride and 6 g of triethylamine in 40 ml of dimethylacetamide was stirred under a nitrogen atmosphere at room temperature for 3.5 hours. The mixture was poured into 500 ml of water and stirred for 30 minutes. The solids were filtered, washed with water, pressed dry and stirred in hot methanol for 1 hour. The suspension was filtered while hot and the solids dried, 9.85 g (95% yield), m.p. 271°-276° C. dec.
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