| Identification | Back Directory | [Name]
t-Butyl (Methyldiphenylsilyl)acetate | [CAS]
77772-21-5 | [Synonyms]
t-Butyl (Methyldiphenylsilyl)acetate
Acetic acid, 2-(methyldiphenylsilyl)-, 1,1-dimethylethyl ester | [Molecular Formula]
C19H24O2Si | [MOL File]
77772-21-5.mol | [Molecular Weight]
312.48 |
| Hazard Information | Back Directory | [Physical properties]
clear to light yellow liquids. | [Uses]
vinyl 1,1-dication synthetic equivalent in reactions with
Grignard reagents; reagent for Peterson synthesis of α,β-un
saturated esters. | [Preparation]
whereas the direct silylation of the lithium
enolate of an ester normally results in the formation of a mixture of the α-silyl ester and the corresponding silyl ketene acetal, the same reaction with methyldiphenylchlorosilane gives
exclusively the α-methyldiphenylsilyl ester. This direct
C-silylation is the best general route to α-silyl esters. |
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