Dibutylamine → 2-Amino-5-dibutylamino-1,3,4-thiadiazole
Reaktionsgleichung
[CH2:1]([NH:5][CH2:6][CH2:7][CH2:8][CH3:9])[CH2:2][CH2:3][CH3:4].C(N(CC)CC)C.[NH2:17][C:18]1[S:19][C:20](Cl)=[N:21][N:22]=1>C(O)C>[NH2:17][C:18]1[S:19][C:20]([N:5]([CH2:6][CH2:7][CH2:8][CH3:9])[CH2:1][CH2:2][CH2:3][CH3:4])=[N:21][N:22]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
28 parts of dibutylamine and 25 parts of triethylamine are added to 27 parts of 2-amino-5-chloro-1,3,4-thiadiazole in 200 parts of ethanol. The reaction mixture is heated under reflux for 2 hours and then concentrated to dryness. The residue is suspended in 250 ml of water and filtered. The 2-amino-5-dibutylamino-1,3,4-thiadiazole obtained in this manner can be recrystallised from ethanol/water.