Synthetic Communications p. 3320 - 3327 (2014)
Update date:2022-08-02
Topics:
Mhasni, Olfa
Erray, Imen
Rezgui, Farhat
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 Et3N as a Br?nsted 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.
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