Tetraethyl (1-phenoxypropylidene)-bisphosphonate → (1-Phenoxypropylidene)-bisphosphonic acid
Reaktionsgleichung
[O:1]([C:8]([P:19](=[O:26])([O:23]CC)[O:20]CC)([P:11](=[O:18])([O:15]CC)[O:12]CC)[CH2:9][CH3:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1>C[Si](C)(C)Br>[O:1]([C:8]([P:19](=[O:20])([OH:23])[OH:26])([P:11](=[O:12])([OH:15])[OH:18])[CH2:9][CH3:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1Komponenten
3
Edukt 1
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A solution of tetraethyl (1-phenoxypropylidene)-bisphosphonate (2.1 g) in trimethyl bromosilane (8 ml) was kept at room temperature overnight, followed by evaporation in vacuo. The residue was stirred overnight in absolute ethanol. Evaporation in vacuo gave the desired compound.
Aufarbeitung
- customfollowed by evaporation in vacuo
- customEvaporation in vacuo