Ethylene Glycol → 5-[5-(2-Hydroxyethoxymethyl)-2-n-propoxyphenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Reaction equation
Cl[CH2:2][C:3]1[CH:4]=[CH:5][C:6]([O:23][CH2:24][CH2:25][CH3:26])=[C:7]([C:9]2[NH:10][C:11](=[O:22])[C:12]3[N:17]([CH3:18])[N:16]=[C:15]([CH2:19][CH2:20][CH3:21])[C:13]=3[N:14]=2)[CH:8]=1.[CH2:27]([OH:30])[CH2:28][OH:29]>>[OH:29][CH2:28][CH2:27][O:30][CH2:2][C:3]1[CH:4]=[CH:5][C:6]([O:23][CH2:24][CH2:25][CH3:26])=[C:7]([C:9]2[NH:10][C:11](=[O:22])[C:12]3[N:17]([CH3:18])[N:16]=[C:15]([CH2:19][CH2:20][CH3:21])[C:13]=3[N:14]=2)[CH:8]=1Participants
3
Procedure
This compound was prepared from 5-(5-chloromethyl-2-n-propoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-pyrimidin-7-one and ethylene glycol following the procedure of Example 38 and was obtained as a white solid (45%), m.p. 101°-102° C. Found C,63.13; H,6.88; N,13.98. C21H28N4O4 requires C,62.98; H,7.05; N,13.99%.