Journal of Organic Chemistry p. 4070 - 4074 (1992)
Update date:2022-07-30
Topics:
Belyk, Kevin
Rozema, Michael J.
Knochel, Paul
The reaction of propargylic halides 1 (X = Cl, Br) with an aldehyde or ketone (0.67 equiv) in the presence of CrCl2 (2.0 equiv) and LiI (2 equiv, necessary if X = Cl) affords allenic alcohols 3 with excellent regioselectivities (3-6percent of the regioiso
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