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003015
Trimethylsilyl trifluoromethanesulfonate
CAS Number: 27607-77-8
Molecular Formula: C4H9F3O3SSi
Molecular Weight: 222.26
MDL Number: MFCD00000406
Structure of Trimethylsilyl trifluoromethanesulfonate
Product Number Your Price Order
003015-25g
 $25.00 
In stock
003015-100g
 $78.00 
In stock
003015-250g
 $159.00 
In stock
Strong Lewis acid catalyst and highly reactive silylating agent with a much greater selectivity for C-silylation than chlorotrimethylsilane.1 It is used to cleave t-butyl esters directly to trimethylsilyl esters,2 promote chemoselective reactions of acyclic acetals in the presence of cyclic acetals,3 promote cycloaddition of nitrones with silyl enol ethers,4 catalyze the conversion of aldehydes to homoallyl ethers in an Ionic Liquid 5 and assist facile deprotection of N,O-Acetonides.6 Employed in the synthesis of enaminones as an Activator,7 one-pot synthesis of α-aminonitriles and their fluorinated analogues,8 and synthesis of N-vinyl derivatives of nucleobases as a Lewis acid catalyst.9

1. J. Prakt. Chem. 1999, 341, 410.
2. Org. Lett. 2002, 4, 1947.
3. J. Chem. Soc., Perkin Trans. 11994, 2357.
4. J. Chem. Soc., Perkin Trans. 11993, 3157.
5. Synthesis2005, 2661.
6. J. Org. Chem. 2007, 73, 752.
7. Synth. Commun.  1997, 27, 4275.
8. Synlett  2007, 2395.
9. Synthesis 2002, 0172.
Properties
Purity: 99%
Bp: 77°/80mm
Mp:
Density: 1.150
Refractive Index: 1.3600
Safety
RTECS:
Risk Statements:
Safety Statements:
MSDS: See MSDS