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Zinc trifluoromethanesulfonate or zinc triflate is the zinc salt of trifluoromethanesulfonic acid.It is commonly used as a Lewis acid catalyst, e.g. in silylations. [1]A white powder, zinc triflate is commercially available, though some workers have experienced inconsistent results with zinc triflate from different sources.
Scandium trifluoromethanesulfonate, commonly called scandium triflate, is a chemical compound with formula Sc(SO 3 CF 3) 3, a salt consisting of scandium cations Sc 3+ and triflate SO 3 CF − 3 anions. Scandium triflate is used as a reagent in organic chemistry as a Lewis acid. [1]
Lanthanide triflates are proposed for Friedel-Crafts acylations and alkylations, which are often carried out with AlCl 3 as the catalyst in an organic solvent. The nature of the Friedel-Craft reaction, especially the acylation, forces the AlCl 3 to irreversibly complex with any oxygen-containing group in the product, with the only way of decomplexing it being to destroy the AlCl 3 part with ...
Hf(OTf) 4 mediated synthesis of altertoxins. Hf(OTf) 4, alongside Sc(OTf) 3 and In(OTf) 3, has been shown to activate alkynes and enable electrophilic substitution. In 2004 Song and Lee et al. reported Hf(OTf) 4-catalyzed Friedel-Crafts alkenylation of benzene with alkenyl derivatives. [7] Hf(OTf) 4 enabled electrophilic substitution of alkynes
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Lithium triflate (lithium triflouromethanesulfonate or LiOTf) is a salt with the chemical formula LiCF 3 SO 3. It is composed of the lithium cation (Li +) and triflate anion (CF 3 SO 3 −; TfO −). It is very hygroscopic. The salt is used in lithium-ion battery production. [1] Lithium triflate is hygroscopic and absorbs water from air humidity
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