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  • Methanesulfonic acid,1,1,1-trifluoro-, bis(1,1-dimethylethyl)[[(trifluoromethyl)sulfonyl]oxy]silylester 85272-31-7

    Cas No: 85272-31-7

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  • 1 Kilogram

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  • Shanghai Upbio Tech Co.,Ltd
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85272-31-7 Usage


DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) is a reagent used for the selective protection of polyhydroxy compounds, particularly 1,2-, 1,3-, and 1,4-diols. It allows for the formation of dialkylsilylene derivatives under mild conditions with high yields and can be easily deprotected using aqueous hydrofluoric acid in acetonitrile.


Used in Organic Synthesis:
DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) is used as a protecting group reagent for 1,3-diols, enabling selective protection and deprotection under mild conditions. This selective protection is crucial for the synthesis of complex organic molecules, such as N-homoceramides.
Used in Carbohydrate Chemistry:
In the synthesis of α-galactosyl ceramides, DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) is used as a selective α-galactosylation reagent, facilitating the formation of the desired glycosidic linkages.
Used in Nucleoside Protection:
DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) is used as a protecting group for nucleosides during their synthesis. The procedure involves the sequential addition of the ditriflate and triethylamine to the nucleoside in DMF, with the choice of solvent being critical for the success of the reaction.
Overall, DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) is a versatile reagent in the fields of organic synthesis, carbohydrate chemistry, and nucleoside protection, providing selective protection and deprotection of polyhydroxy compounds.


by the treatment of di-t-butylchlorosilane with trifluoromethanesulfonic acid, followed by distillation (71% yield).

Check Digit Verification of cas no

The CAS Registry Mumber 85272-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,7 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85272-31:
137 % 10 = 7
So 85272-31-7 is a valid CAS Registry Number.

85272-31-7 Well-known Company Product Price

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  • TCI America

  • (D3135)  Di-tert-butylsilyl Bis(trifluoromethanesulfonate)  >97.0%(T)

  • 85272-31-7

  • 1g

  • 380.00CNY

  • Detail
  • TCI America

  • (D3135)  Di-tert-butylsilyl Bis(trifluoromethanesulfonate)  >97.0%(T)

  • 85272-31-7

  • 5g

  • 1,100.00CNY

  • Detail
  • Aldrich

  • (262021)  Di-tert-butylsilylbis(trifluoromethanesulfonate)  97%

  • 85272-31-7

  • 262021-5G

  • 1,148.94CNY

  • Detail
  • Aldrich

  • (262021)  Di-tert-butylsilylbis(trifluoromethanesulfonate)  97%

  • 85272-31-7

  • 262021-25G

  • 3,552.12CNY

  • Detail
  • Aldrich

  • (262021)  Di-tert-butylsilylbis(trifluoromethanesulfonate)  97%

  • 85272-31-7

  • 262021-250G

  • 18,193.50CNY

  • Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier

Product name Di-Tert-Butylbis(Trifluoromethanesulfonyloxy)Silane

1.2 Other means of identification

Product number -
Other names [ditert-butyl(trifluoromethylsulfonyloxy)silyl] trifluoromethanesulfonate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:85272-31-7 SDS

85272-31-7Relevant articles and documents

Synthesis and Restricted Conformation of 3',5'-O-(Di-t-butylsilanediyl)ribonucleosides

Furusawa, Kiyotaka,Ueno, Katsuhiko,Katsura, Tatsuo

, p. 97 - 100 (2007/10/02)

The reaction of ribonucleosides with di-t-butylsilyl diester such as dinitrate, diperchlorate and ditriflate in DMF gave selectively 3',5'-O-(di-t-butylsilanediyl)ribonucleosides in high yield.The conformation analysis by 1H NMR spectroscopy and X-ray crystallography showed that the product has a restricted conformation analogous to that observable in 3',5'-cyclic nucleotides.

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