Chemistry:Scandium(III) trifluoromethanesulfonate

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Short description
Chemical compound
Scandium(III) trifluoromethanesulfonate
Scandium triflate.png
IUPAC name
Scandium trifluoromethanesulfonate
3D model (JSmol)
Molar mass 492.16 g/mol
Safety data sheet Oxford MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Scandium trifluoromethanesulfonate, commonly called scandium triflate, is a chemical compound with formula Sc(SO3CF3)3, a salt consisting of scandium cations Sc3+ and triflate SO3CF3 anions.

Scandium triflate is used as a reagent in organic chemistry as a Lewis acid.[1] Compared to other Lewis acids, this reagent is stable towards water and can often be used in organic reactions as a true catalyst rather than one used in stoichiometric amounts. The compound is prepared by reaction of scandium oxide with trifluoromethanesulfonic acid.

An example of the scientific use of scandium triflate is the Mukaiyama aldol addition reaction between benzaldehyde and the silyl enol ether of cyclohexanone with an 81% yield.[2]

ScOTf3-mediated aldol condensation