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The lithiated derivative can react with electrophiles at either the ɑ- or - postion. It was found that conversion of the organolithium to an organotitanium reagent (by reaction with Ti(O-iPr)4), followed by reaction with e.g. cyclohexanecarboxaldehyde resulted in regioselective reaction at the ɑ-position to give the corresonding hydroxy sulfide: Bull. Chem. Soc. Jpn., 57, 2781 (1984). For review of allylic and benzylic carbanions substituted by heteroatoms, see: Org. React., 27, 1 (1982)./n
Dichiarazioni di rischio (UE): H225-H315-H319-H335
Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Dichiarazioni precauzionali: P210-P261-P280g-P305+P351+P338
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.