Diethyl(4-chlorobutyl)phosphonate → Diethyl [4-(1-methoxyethyl-3-methylxanthin-7-yl)butyl]phosphonate
Reaction equation
[CH3:1][O:2][CH:3]([N:5]1[C:14](=[O:15])[C:13]2[NH:12][CH:11]=[N:10][C:9]=2[N:8]([CH3:16])[C:6]1=[O:7])[CH3:4].Cl[CH2:18][CH2:19][CH2:20][CH2:21][P:22]([O:27][CH2:28][CH3:29])(=[O:26])[O:23][CH2:24][CH3:25]>>[CH3:1][O:2][CH:3]([N:5]1[C:14](=[O:15])[C:13]2[N:12]([CH2:18][CH2:19][CH2:20][CH2:21][P:22](=[O:26])([O:27][CH2:28][CH3:29])[O:23][CH2:24][CH3:25])[CH:11]=[N:10][C:9]=2[N:8]([CH3:16])[C:6]1=[O:7])[CH3:4]Participants
3
Procedure
The title substance was prepared from 1-methoxyethyl-3-methylxanthine and diethyl 4-chlorobutanephosphonate analogously to Example 4 and crystallized from diisopropyl ether.
Workup
- customcrystallized from diisopropyl ether
Sources & evidence
- ORD record
- ord-7fae1dd89d25493ea4ac31663986c9df
- Source dataset
- uspto-grants-1998_03
- Patent number
- US05728686
Reaction notes
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