Threo and erythro-δ-hydroxy-α, β-unsaturated γ-lactones are obtained with useful
diastereoselection by condensing 2-trimethylsiloxyfuran and aldehydes by varying the …

Abstract Treatment of (Z)-trimethylsilyl enol ethers with dibutylboryl
trifluoromethanesulfonate followed by removal of trimethylsilyl triflate generated and addition …

General enantioselective routes to 3, 4-cis-dialkyl substituted γ-lactones and 4, 5-cis-dialkyl
substituted δ-lactones using TiCl4-mediated Evans asymmetric aldolization as the key step …

Tetrahedron Letters,Vol.28,No.9,pp 985-988,1987 Printed in Great Britain 0040-4039/87
$3.00 + .oO Perqamon Journals Ltd. (6a) Page 1 Tetrahedron Letters,Vol.28,No.9,pp 985-988,1987 …

A simple stereoselective process for the synthesis of highly substituted γ-lactones was
developed based on aldol reactions between the enolate of dioxanes derived from tartaric …

The aldol reactions of the lithium enolate of 4-thianone with aldehydes yield the threo-
isomers of aldols in a highly stereoselective manner and also showed high diastereoface …

N, N-Dibenzyl-protected α-amino-aldehydes 1 undergo non-chelation-controlled aldol
additions of 1-phenoxy-1-trimethylsiloxyethylene 2 followed by β-lactone formation and …

The HF-induced translactonization of 2′-silyloxy-3-trimethylsilyl-2-oxetanones, obtained
through Lewis acid-promoted [2+ 2] cycloaddition between β-silyloxyaldehydes and …

A stereoselective method for preparing 3-hydroxy-4-alkyl-γ-lactones is reported.
iodolactonization of 3-hydroxy-4-alkenoic acids produces predominantly the …

Diastereoselective aldol reactions of cyclohexanone lithium enolate - ScienceDirect Skip to main
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