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Fluorobis(phenylsulfonyl)methane (FBSM), can be deprotonated under much milder basic
conditions than those required for the deprotonation of fluoromethyl phenyl sulfone, and thus has
been used as an excellent nucleophilic fluoromethylation reagent in many catalytic asymmetric
reactions with allyl esters, imines, and α,β-unsaturated compounds. Stereoselctive nucleophilic
substitution reaction between chiral alcohols and FBSM under Mitsunobu conditions gives the
fluoromethylated products with full inversion of the configuration. Nucleophilic substitution
reaction of epoxides and aziridines with FBSM gives the precursors of β-fluoromethylated
alcohols and amines in high yields. As a carbon acid, FBSM can also be used in cross
dehydrogenative coupling reaction.
Verwenden
(Fluoromethylenedisulfonyl)dibenzene is a nucleophilic fluoromethylating agent.
Fluorobis(phenylsulfonyl)methane Upstream-Materialien And Downstream Produkte