Abstract
The chemoselective reaction of α-keto esters with allyl halides, propargyl bromides, and allenyl bromide using indium metal afforded α-hydroxy-γ,δ-unsaturated esters in good to excellent yields under mild conditions.
*This paper is dedicated to Professor Chang Hwan Rhee on the occasion of his 60th birthday.
ACKNOWLEDGMENT
This work was supported by Korea Research Foundation Grant (KRF-99-005-D00048). The gas chromatograms were provided by GC facility, supported by Research Center for Advanced Mineral Aggregate Composite Products.
Notes
*This paper is dedicated to Professor Chang Hwan Rhee on the occasion of his 60th birthday.