3-(Trimethoxysilyl)propyl chloride → Acryloxypropyltrimethoxysilane
Reaction equation
Cl[CH2:2][CH2:3][CH2:4][Si:5]([O:10][CH3:11])([O:8][CH3:9])[O:6][CH3:7].[C:12]([O-:16])(=[O:15])[CH:13]=[CH2:14].[K+]>>[C:12]([O:16][CH2:2][CH2:3][CH2:4][Si:5]([O:10][CH3:11])([O:8][CH3:9])[O:6][CH3:7])(=[O:15])[CH:13]=[CH2:14]Participants
3
Procedure
Trichlorosilane and allyl chloride were subjected to hydrosilylation reaction in a solvent in the presence of a platinum catalyst, followed by esterification reaction with methanol and urea and further by distillation to obtain γ-chloropropyltrimethoxysilane. The thus obtained γ-chloropropyltrimethoxysilane and potassium acrylate were subjected to desalting in a solvent, followed by removal of potassium chloride. Subsequently, low boiling components including the solvent were distilled off under reduced pressure to obtain crude γ-acryloxypropyltrimethoxysilane having a purity of approximately 90%.
Workup
- customfollowed by removal of potassium chloride
- distillationwere distilled off under reduced pressure