1-Chloro-5-hydroxy-5-methyl-6-heptyne → 7-Ethoxymethyl-1-(5-hydroxy-5-methyl-6-heptynyl)-3-methylxanthine
Reaction equation
[CH2:1]([O:3][CH2:4][N:5]1[C:13]2[C:12](=[O:14])[NH:11][C:10](=[O:15])[N:9]([CH3:16])[C:8]=2[N:7]=[CH:6]1)[CH3:2].Cl[CH2:18][CH2:19][CH2:20][CH2:21][C:22]([OH:26])([CH3:25])[C:23]#[CH:24]>>[CH2:1]([O:3][CH2:4][N:5]1[C:13]2[C:12](=[O:14])[N:11]([CH2:18][CH2:19][CH2:20][CH2:21][C:22]([OH:26])([CH3:25])[C:23]#[CH:24])[C:10](=[O:15])[N:9]([CH3:16])[C:8]=2[N:7]=[CH:6]1)[CH3:2]Participants
3
Procedure
44.84 g (0.2 mol) of 7-ethoxymethyl-3-methylxanthine were reacted with 32.13 g (0.2 mol) of 1-chloro-5-hydroxy-5-methyl-6-heptyne from Example 1B1), and worked up in analogy to Example 1B2).
Sources & evidence
- ORD record
- ord-e5a26538947f488996303ec8b03061a8
- Source dataset
- uspto-grants-1999_10
- Patent number