Abstract
We herein present the iodo Meyer-Schuster rearrangement of 3-alkoxypropargyl alcohols for α-iodo-α,β-unsaturated esters using iodine or NIS in dichloromethane at ambient temperature. Substrates prepared from both aldehydes and ketones are found to be equally good feedstock for the reaction to produce β-mono- and -disubstituted products. Irrespective of the substitution, substrates prepared from aldehydes gave Z-isomers exclusively.
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