9719. Trimethylsilyl Triflate

Nomenclature

CAS number: 27607-77-8
1,1,1-Trifluoromethanesulfonic acid trimethylsilyl ester; trimethylsilanol trifluoromethanesulfonate; trimethylsilyltrifluoromethane sulfonate.
C4H9F3O3SSi; mol wt 222.26.
C 21.62%, H 4.08%, F 25.64%, O 21.60%, S 14.43%, Si 12.64%.

Description and references

Prepn: M. Schmeisser et al., Ber. 103, 868 (1970); H. W. Roesky, H. H. Giere, Z. Naturforsch. 25B, 773 (1970); D. Haebich, F. Effenberger, Synthesis 1978, 755; T. Morita et al., ibid. 1981, 745. As catalytic reagent: H. Vorbrueggen, K. Krolikiewicz, Angew. Chem. Int. Ed. 14, 421 (1975); as silylating agent: G. A. Olah et al., J. Org. Chem. 46, 5212 (1981).

Chemical structure

Properties

Liquid, bp760 140°, bp10 36.5°. nD20 1.3630. Fumes in air; sensitive to atm moisture.

Use

Catalyst and silylating agent for organic syntheses.