Silver(i)/base-promoted propargyl alcohol-controlled regio- or stereoselective synthesis of furan-3-carboxamides and (Z)-enaminones?
Organic & Biomolecular Chemistry Pub Date: 2018-09-06 DOI: 10.1039/C8OB01791C
Abstract
A novel and facile regioselective synthesis of furan-3-carboxamides by a silver(I)/base-promoted reaction of propargyl alcohol with 3-oxo amides has been demonstrated. This one-pot protocol provides a rapid synthetic approach to diverse trisubstituted furan-3-carboxamides via cascade nucleophilic addition, intramolecular cyclization, elimination, and isomerization reactions. Employing a substituted propargyl alcohol, (Z)-enaminones have been obtained with high stereoselectivities by a Ag2CO3-promoted reaction starting from 3-oxo amides via C–N bond cleavage.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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