Title: Trimethylsilyl Triflate
CAS Registry Number: 27607-77-8
CAS Name: Trifluoromethanesulfonic acid trimethylsilyl ester
Additional Names: trimethylsilyltrifluoromethane sulfonate
Molecular Formula: C4H9F3O3SSi
Molecular Weight: 222.26
Percent Composition: C 21.62%, H 4.08%, F 25.64%, O 21.60%, S 14.43%, Si 12.64%
Line Formula: CF3SO2OSi(CH3)3
Literature 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).
Properties: Liquid, bp760 140°, bp10 36.5°. nD20 1.3630. Fumes in air; sensitive to atm moisture.
Boiling point: bp760 140°; bp10 36.5°
Index of refraction: nD20 1.3630
Use: Catalyst and silylating agent for organic syntheses. |