Acetic Acid → Diethyl 2-formylbenzylphosphonate thiosemicarbazone
Reaktionsgleichung
[CH:1]([C:3]1[CH:17]=[CH:16][CH:15]=[CH:14][C:4]=1[CH2:5][P:6](=[O:13])([O:10][CH2:11][CH3:12])[O:7][CH2:8][CH3:9])=O.[NH2:18][NH:19][C:20]([NH2:22])=[S:21].C(O)(=O)C>C(O)C>[CH:1](=[N:18][NH:19][C:20]([NH2:22])=[S:21])[C:3]1[CH:17]=[CH:16][CH:15]=[CH:14][C:4]=1[CH2:5][P:6](=[O:13])([O:10][CH2:11][CH3:12])[O:7][CH2:8][CH3:9]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2.0 g (8 mmol) of the compound A and 0.73 g of thiosemicarbazide were dissolved or suspended in 200 ml of absolute ethanol. 2 ml of acetic acid were added and the mixture was boiled under reflux for 3 h. In the course of the slow cooling, the product D precipitated in crystalline form.