Bis-exo-2-norbornylboron Triflate for Stereospecific Enolization of 3,3,3-Trifluoropropionates
摘要:
The first boron-mediated enolization-aldolization of 3.3,3-Influoropropionates has been reported The preparation and application of bis-exobicyclo[221]heptan-2-ylboron Inflate as a superior reagent for diastereospecific enolization has also been described.
B-Chlorodialkylboranes for the enolboration of 3,3,3-trifluoropropionates
作者:P. Veeraraghavan Ramachandran、Pravin D. Gagare、Gowrisankar Parthasarathy
DOI:10.1016/j.tetlet.2011.08.159
日期:2011.11
The increased acidity of the alpha-protons of 3,3,3-trifluoropropionates was exploited to achieve the enolboration of these esters using dialkylchloroboranes. (C) 2011 Elsevier Ltd. All rights reserved.