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Trimethylsilyl trifluoromethanesulfonate ( TMSOTf) is an organosilicon compound with the formula (CH3)3SiO3SCF3. It is a colorless moisture-sensitive liquid. It is the trifluoromethanesulfonate derivative of trimethylsilyl. [1] It is mainly used to activate ketones and aldehydes in organic synthesis .
Triflic acid, the short name for trifluoromethanesulfonic acid, TFMS, TFSA, HOTf or TfOH, is a sulfonic acid with the chemical formula CF 3 SO 3 H. It is one of the strongest known acids. Triflic acid is mainly used in research as a catalyst for esterification. [2] [3] It is a hygroscopic, colorless, slightly viscous liquid and is soluble in ...
The International Cat Association ( TICA) is considered the world's largest genetic cat registry. Originally a North American organization, it now has a worldwide presence. The organization has a genetic registry for pedigreed and household pet cats and is one of the world's largest sanctioning bodies for cat shows .
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Time-of-flight mass spectrometry. Time-of-flight mass spectrometry ( TOFMS) is a method of mass spectrometry in which an ion 's mass-to-charge ratio is determined by a time of flight measurement. Ions are accelerated by an electric field of known strength. [1] This acceleration results in an ion having the same kinetic energy as any other ion ...
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Boeing firefighters ratified a new contract with major pay increases and expect to return to work this weekend after a lockout that has lasted more than three weeks, their union said Thursday. The ...
Trifluoromethanesulfonic anhydride, also known as triflic anhydride, is the chemical compound with the formula (CF 3 SO 2) 2 O. It is the acid anhydride derived from triflic acid. This compound is a strong electrophile, useful for introducing the triflyl group, CF 3 SO 2. Abbreviated Tf2O, triflic anhydride is the acid anhydride of the ...