(E)-Selective Alkylidenation of Aldehydes with Reagents derived from α-Acetoxy bromides, Zinc and CrCI3
- 1 January 1993
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1993 (11) , 837-838
- https://doi.org/10.1055/s-1993-22625
Abstract
Reagents, prepared from the α-acetoxy bromides 2a-d, zinc dust and CrCl3 in THF in the presence of a donor ligand like dimethylformamide, give selectively (E)-alkenes 3a-j upon reaction with aldehydes 1a-f.Keywords
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