DIMETHYL-(2,3-DIMETHYL-2-BUTYL)SILYL TRIFLUOROMETHANESULFONATE
- CAS NO.：103588-79-0
- Empirical Formula: C9H19F3O3SSi
- Molecular Weight: 292.39
- MDL number: MFCD00012174
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:42:19
What is DIMETHYL-(2,3-DIMETHYL-2-BUTYL)SILYL TRIFLUOROMETHANESULFONATE?
Physical properties
clear light yellow liquid, bp 40–42 °C/0.15 Torr, 53–54 °C/0.6 mmHg; d = 1.16 g mL?1 at 20 °C; n20 D 1.405.
The Uses of DIMETHYL-(2,3-DIMETHYL-2-BUTYL)SILYL TRIFLUOROMETHANESULFONATE
Silylation reagent used to introduce the dimethylthexylsilyl (TDS) group; complexation reagent to activate electrophiles. Dimethylthexylsilyl trifluoromethanesulfonate (TDSOTf) is generally used as a bulky silylation reagent.
Preparation
Dimethylthexylsilyl chloride and trifluoromethanesulfonic acid are heated to 60°Cfor 4–5 h and the resulting silyl ester is isolated by distillation.
Properties of DIMETHYL-(2,3-DIMETHYL-2-BUTYL)SILYL TRIFLUOROMETHANESULFONATE
| Boiling point: | 53-54 °C0.6 mm Hg(lit.) |
| Density | 1.16 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | 85 °C |
| solubility | CH2Cl2, CHCl3, Et2O, THF (can result in ring opening of THF), DMF; reacts with alcohols and water. |
Safety information for DIMETHYL-(2,3-DIMETHYL-2-BUTYL)SILYL TRIFLUOROMETHANESULFONATE
Computed Descriptors for DIMETHYL-(2,3-DIMETHYL-2-BUTYL)SILYL TRIFLUOROMETHANESULFONATE
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