General and Efficient Transesterification of β-Keto Esters with Various Alcohols Using Et<sub>3</sub>N as a Brønsted Base Additive

Abstract

<div><p></p><p>Transesterification of β-keto esters with a wide variety of allyl, benzyl, propargyl, and alkyl alcohols using, for the first time, commercially available and inexpensive Et<sub>3</sub>N as a Brønsted base additive, is efficiently performed in toluene at reflux. The corresponding esters are exclusively obtained in 57–98% yields with no trace amounts of γ,δ-ketones, usually expected from the decarboxylative Carroll rearrangement.</p> </div

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