| Identification | Back Directory | [Name]
(Z)-2-Bromo-1-(trimethylsilyloxy)ethylene | [CAS]
64556-66-7 | [Synonyms]
(Z)-2-Bromo-1-(trimethylsilyloxy)ethylene
Silane, [[(1Z)-2-bromoethenyl]oxy]trimethyl- | [Molecular Formula]
C5H11BrOSi | [MDL Number]
MFCD17015093 | [MOL File]
64556-66-7.mol | [Molecular Weight]
195.13 |
| Hazard Information | Back Directory | [Physical properties]
bp 48–49°C/15 mmHg. | [Uses]
(Z)-2-Bromo-1-(trimethylsilyloxy)ethylene is used essentially
as a precursor of (Z)-2-(trimethylsilyloxy)vinyllithium
(eq 1). | [Preparation]
addition of bromine to trimethylsilyl vinyl
ether inCH2Cl2 or Et2Oat?60°C, followed by dehydrobromination
with triethylamine (50%)or by reaction of trimethylsilyl
2,2-dibromoethyl ether with two equiv of n-butyllithium in
Et2O from ?70°C to rt (86%)(Z/E:95/5). |
|
|