Allyl- and propargylchromium reagents generated by a chromium(iii) ate-type reagent as a reductant and their reactions with electrophilesElectronic supplementary information (ESI) available: experimental details. See http://www.rsc.org/suppdata/cc/b0/b009351n/

Abstract

A chromium ate-type reagent ‘Bu₅CrLi₂’ reacts with allylic and propargylic phosphates to generate the corresponding allyl- and propargylchromium (propargyl = prop-2-ynyl) reagents which further react with a variety of electrophiles such as aldehydes, ketones, imines, and isocyanates to afford the corresponding adducts in high yields.