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Merck
CN

91741

Trimethylsilyl trifluoromethanesulfonate

purum, ≥98.0% (T)

Synonym(s):

TMS triflate, TMSOTf, Trifluoromethanesulfonic acid trimethylsilylester

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About This Item

Linear Formula:
CF3SO3Si(CH3)3
CAS Number:
27607-77-8
Molecular Weight:
222.26
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
329770075
EC Number:
248-565-4
Beilstein/REAXYS Number:
1868911
MDL number:
MFCD00000406
Assay:
≥98.0% (T)
Form:
liquid

Key Documents

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InChI key

FTVLMFQEYACZNP-UHFFFAOYSA-N

InChI

1S/C4H9F3O3SSi/c1-12(2,3)10-11(8,9)4(5,6)7/h1-3H3

SMILES string

C[Si](C)(C)OS(=O)(=O)C(F)(F)F

grade

purum

assay

≥98.0% (T)

form

liquid

refractive index

n20/D 1.36 (lit.)

bp

77 °C/80 mmHg (lit.)

density

1.228 g/mL at 25 °C (lit.)

functional group

fluoro, triflate

Quality Level

200

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Application

Trimethylsilyl trifluoromethanesulfonate may be used to catalyze:
  • Allylation of acetals to form homoallyl ethers.
  • Synthesis of 1,2-trans-glycosides.
  • Conversion of alcohols to esters.
  • Aminomethylation of silyl enol ethers with aminomethyl alkyl ethers.
  • Glycosidation of (+)-4-demethoxyanthracyclinones.

Other Notes

Efficient silylating agent and strong Lewis acid catalyst ; Review

pictograms

FlameCorrosion
GHS02,GHS05

signalword

Danger

hcodes

H226,H314

Hazard Classifications

Flam. Liq. 3 - Skin Corr. 1B

supp_hazards

EUH014

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

77.0 °F - closed cup

flash_point_c

25 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9836
BCCM5632
BCBW0682
BCBL7286V

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J. Heberle et al.
Silylating Agents, 2nd ed. (1995)
A novel aminomethylation of silyl enol ethers with aminomethyl ethers catalyzed by iodotrimethylsilane or trimethylsilyl trifluoromethanesulfonate.
Hosomi A
Tetrahedron Letters, 23(5), 547-550 (1982)
T. Bach, H. Brummerhop
J. Prakt. Chem., 341, 410-410 (1999)
An extremely fast and efficient acylation reaction of alcohols with acid anhydrides in the presence of trimethylsilyl trifluoromethanesulfonate as catalyst.
Procopiou PA
Chemical Communications (Cambridge, England), (23), 2625-2626 (1996)
Trimethylsilyl trifluoromethanesulfonate (trimethylsilyl triflate) as an excellent glycosidation reagent for anthracycline synthesis. Simple and efficient synthesis of optically pure 4-demethoxydaunorubicin.
Kimura Y
Chemistry Letters (Jpn), 13(4), 501-504 (1984)
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