Methyl Methanesulfonate → HCID 86654377, Verbindung
Reaktionsgleichung
[CH3:1][O:2][Si:3]([CH2:8][CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][N:11]=1)([O:6][CH3:7])[O:4][CH3:5].[CH3:16][S:17]([O:20]C)(=[O:19])=[O:18]>C(OCC)(=O)C>[CH3:16][S:17]([O-:20])(=[O:19])=[O:18].[CH3:1][O:2][Si:3]([CH2:8][CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][N+:11]=1[CH3:16])([O:6][CH3:7])[O:4][CH3:5]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
5.0 g of 2-(trimethoxysilylethyl)pyridine and 18 g of ethyl acetate were charged into a 100 mL flask to be dissolved. While stirring the resultant mixed solution with a magnetic stirrer, to the mixed solution, a solution in which 3.6 g of methyl methanesulfonate was dissolved in 24 g of ethyl acetate was gradually added at room temperature in a nitrogen atmosphere. The reaction mixture was refluxed over 3 days and therefrom, ethyl acetate was distilled off under reduced pressure. The resultant concentrate was dropped into 100 mL of diethyl ether and therefrom, 2-(trimethoxysilylethyl)pyridine and methyl methanesulfonate as by-products were removed. This purification was repeated three times and then remaining diethyl ether was distilled off under reduced pressure, followed by dissolving the resultant concentrate in methanol to obtain a 30% methanol solution of trimethoxysilylethylmethylpyridinium methanesulfonate.