Remote stereoselective deconjugation of α,β-unsaturated esters by simple amidation reactions
作者:Mahesh Vishe、Radim Hrdina、Amalia I. Poblador-Bahamonde、Céline Besnard、Laure Guénée、Thomas Bürgi、Jérôme Lacour
DOI:10.1039/c5sc01118c
日期:——
The thermodynamically disfavored isomerization of α,β-unsaturated esters to deconjugated β,γ-unsaturated analogues occurs readily when coupled to an amidation. Within the framework of macrocyclic derivatives, it is shown that 15, 16, and 18 membered macrocycles react with tBuOK and anilines to generate, in one-pot, β,γ-unsaturated amides (yields up to 88%). Importantly, single (chiral) diastereomers