Cl[CH:2]([C:4]1[N:13]([CH3:14])[C:12]2[C:11](=[O:15])[N:9]([CH3:10])[C:8](=[O:16])[N:7]([CH3:17])[C:6]=2[N:5]=1)[CH3:3].[Na].[CH3:19][C:20]1[N:28]=[CH:27][CH:26]=[C:25]([CH3:29])[C:21]=1[C:22]([OH:24])=[O:23]>CN(C)C=O>[CH3:19][C:20]1[N:28]=[CH:27][CH:26]=[C:25]([CH3:29])[C:21]=1[C:22]([O:24][CH:2]([C:4]1[N:13]([CH3:14])[C:12]2[C:11](=[O:15])[N:9]([CH3:10])[C:8](=[O:16])[N:7]([CH3:17])[C:6]=2[N:5]=1)[CH3:3])=[O:23]1.54 g of 8-α-chloroethylcaffeine are dissolved in 15 ml of anhydrous dimethylformamide, and 1.75 g of the sodium salt of dry 2,4-dimethylnicotinic acid are then added.
Wird geladen…